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bytedream 2022-04-28 19:44:17 +02:00
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14
.gitignore vendored Executable file
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*.iml
.gradle
/local.properties
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
.cxx

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.idea/.name generated Executable file
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cryptoGX

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.idea/codeStyles/Project.xml generated Executable file
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<component name="ProjectCodeStyleConfiguration">
<code_scheme name="Project" version="173">
<codeStyleSettings language="XML">
<indentOptions>
<option name="CONTINUATION_INDENT_SIZE" value="4" />
</indentOptions>
<arrangement>
<rules>
<section>
<rule>
<match>
<AND>
<NAME>xmlns:android</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>xmlns:.*</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:id</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:name</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>name</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>style</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>ANDROID_ATTRIBUTE_ORDER</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_ATTRIBUTE />
<XML_NAMESPACE>.*</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
</rules>
</arrangement>
</codeStyleSettings>
</code_scheme>
</component>

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<component name="ProjectCodeStyleConfiguration">
<state>
<option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
</state>
</component>

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.idea/gradle.xml generated Executable file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="testRunner" value="PLATFORM" />
<option name="distributionType" value="DEFAULT_WRAPPED" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
<option value="$PROJECT_DIR$/app" />
</set>
</option>
<option name="resolveModulePerSourceSet" value="false" />
</GradleProjectSettings>
</option>
</component>
</project>

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.idea/jarRepositories.xml generated Executable file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
<remote-repository>
<option name="id" value="BintrayJCenter" />
<option name="name" value="BintrayJCenter" />
<option name="url" value="https://jcenter.bintray.com/" />
</remote-repository>
<remote-repository>
<option name="id" value="Google" />
<option name="name" value="Google" />
<option name="url" value="https://dl.google.com/dl/android/maven2/" />
</remote-repository>
<remote-repository>
<option name="id" value="maven" />
<option name="name" value="maven" />
<option name="url" value="https://jitpack.io" />
</remote-repository>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
</component>
</project>

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.idea/runConfigurations.xml generated Executable file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RunConfigurationProducerService">
<option name="ignoredProducers">
<set>
<option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
<option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
<option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
</set>
</option>
</component>
</project>

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README.md Normal file
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# ⚠️ UNFINISHED PROJECT ⚠️
> The unfinished port of [cryptoGX](https://github.com/ByteDream/cryptoGX) for android

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app/.gitignore vendored Executable file
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/build

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app/build.gradle Executable file
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apply plugin: 'com.android.application'
android {
compileSdkVersion 29
buildToolsVersion "29.0.3"
repositories {
maven {
url "https://jitpack.io"
}
}
defaultConfig {
applicationId "org.blueshard.android.cryptogx"
minSdkVersion 18
targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
implementation 'com.google.android.gms:play-services-ads:19.2.0'
implementation 'com.google.android.material:material:1.1.0'
implementation 'com.android.support:design:29.0.0'
}

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app/proguard-rules.pro vendored Executable file
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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

BIN
app/release/cryptoGX_android_1.0.apk Executable file
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app/release/output.json Executable file
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[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":1,"versionName":"1.0","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]

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app/src/androidTest/java/org/blueshard/android/cryptogx/ExampleInstrumentedTest.java Executable file
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package org.blueshard.android.cryptogx;
import android.content.Context;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
assertEquals("org.blueshard.android.cryptogx", appContext.getPackageName());
}
}

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app/src/main/AndroidManifest.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="org.blueshard.android.cryptogx">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application
android:allowBackup="true"
android:icon="@mipmap/cryptogx_icon_android"
android:label="@string/app_name"
android:roundIcon="@mipmap/cryptogx_icon_android"
android:supportsRtl="true"
android:theme="@style/AppTheme.NoActionBar"
android:windowSoftInputMode="adjustResize"
tools:replace="android:theme">
<activity android:name=".filedirchooser.FileDirChooser"></activity>
<activity
android:name=".MainActivity"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data
android:name="com.google.android.gms.ads.APPLICATION_ID"
android:value="@string/app_id" />
</application>
</manifest>

60
app/src/main/java/org/blueshard/android/cryptogx/CollectionPagerAdapter.java Executable file
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package org.blueshard.android.cryptogx;
import android.content.res.Resources;
import android.os.Bundle;
import android.widget.EditText;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentStatePagerAdapter;
public class CollectionPagerAdapter extends FragmentStatePagerAdapter {
public CollectionPagerAdapter(FragmentManager fragmentManager) {
super(fragmentManager);
}
@Override
public Fragment getItem(int position) {
position++;
if (position == 1) {
Fragment fragment = new TextEnDecrypt();
Bundle args = new Bundle();
args.putInt(TextEnDecrypt.ARG, position);
return fragment;
} else if (position == 2) {
Fragment fragment = new FileEnDecrypt();
Bundle args = new Bundle();
args.putInt(FileEnDecrypt.ARG, position);
return fragment;
} else if (position == 3) {
Fragment fragment = new SecureDeleteFiles();
Bundle args = new Bundle();
args.putInt(SecureDeleteFiles.ARG, position);
return fragment;
} else {
return new Fragment();
}
}
@Override
public int getCount() {
return 3;
}
@Nullable
@Override
public CharSequence getPageTitle(int position) {
position++;
if (position == 1) {
return "text en- / decrypt";
} else if (position == 2) {
return "file en- / decrypt";
} else if (position == 3) {
return "secure delete files";
}
return null;
}
}

283
app/src/main/java/org/blueshard/android/cryptogx/EnDecrypt.java Executable file
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package org.blueshard.android.cryptogx;
import android.util.Base64;
import javax.crypto.*;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
import java.io.*;
import java.security.*;
import java.security.spec.InvalidKeySpecException;
public class EnDecrypt {
public static String UTF_8 = "UTF-8";
public static class AES extends Thread {
public int iterations = 65536;
private final String secretKeyFactoryAlgorithm = "PBKDF2WithHmacSHA1";
private int keySize = 256;
private final String key;
private final byte[] salt;
private final String algorithm;
public AES(String key, byte[] salt, String algorithm) {
this.key = key;
this.salt = salt;
this.algorithm = algorithm;
}
public AES(String key, byte[] salt, String algorithm, int keySize) {
this.key = key;
this.salt = salt;
this.algorithm = algorithm;
this.keySize = keySize;
}
public AES(String key, byte[] salt, String algorithm, int iterations, int keySize) {
this.key = key;
this.salt = salt;
this.iterations = iterations;
this.algorithm = algorithm;
this.keySize = keySize;
}
public byte[] createSecretKey() throws NoSuchAlgorithmException, InvalidKeySpecException {
SecretKeyFactory factory = SecretKeyFactory.getInstance(secretKeyFactoryAlgorithm);
PBEKeySpec keySpec = new PBEKeySpec(key.toCharArray(), salt, iterations, keySize);
return factory.generateSecret(keySpec).getEncoded();
}
/**
* <p>Writes {@param inputStream} to {@param outputStream}</p>
*
* @param inputStream from which is written
* @param outputStream to which is written
* @param buffer
* @throws IOException
*
* @since 1.12.0
*/
private void write(InputStream inputStream, OutputStream outputStream, byte[] buffer) throws IOException {
int numOfBytesRead;
while ((numOfBytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, numOfBytesRead);
}
outputStream.close();
inputStream.close();
}
/**
* <p>Encrypts the {@param inputStream} to {@param outputStream}</p>
*
* @param inputStream that should be encrypted
* @param outputStream to which the encrypted {@param inputFile} should be written to
* @param buffer
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException
* @throws NoSuchPaddingException
* @throws InvalidKeyException
* @throws IOException
*
* @since 1.12.0
*/
public void encryptFile(InputStream inputStream, OutputStream outputStream, byte[] buffer) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IOException {
Key secretKey = new SecretKeySpec(createSecretKey(), "AES");
Cipher cipher = Cipher.getInstance(algorithm);
cipher.init(Cipher.ENCRYPT_MODE, secretKey);
CipherInputStream cipherInputStream = new CipherInputStream(inputStream, cipher);
write(cipherInputStream, outputStream, buffer);
}
/**
* <p>Encrypts all files in the {@param inputDirectory} to the {@param outputDirectory}</p>
*
* @param inputDirectory that should be encrypted
* @param outputDirectory to which the encrypted {@param inputDirectory} files should be written to
* @param fileEnding get added to every file that gets encrypted (if the {@param fileEnding} starts and ends with
* a '@', the {@param fileEnding} will get removed from the file if it exists)
* @param buffer
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException
* @throws NoSuchPaddingException
* @throws InvalidKeyException
* @throws IOException
*
* @since 1.12.0
*/
public void encryptDirectory(String inputDirectory, String outputDirectory, String fileEnding, byte[] buffer) throws IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidKeySpecException, NoSuchPaddingException {
boolean remove = false;
if (fileEnding == null) {
fileEnding = "";
} else if (fileEnding.startsWith("@") && fileEnding.endsWith("@")) {
fileEnding = fileEnding.substring(1, fileEnding.length() - 1);
remove = true;
}
final Utils.RecursivelyGetDirFile decryptedDir = new Utils.RecursivelyGetDirFile(new File(inputDirectory));
for (File dir: decryptedDir.getDirectories()) {
String dirPath = dir.getAbsolutePath();
new File(dirPath.replace(inputDirectory, outputDirectory + "/")).mkdir();
}
for (File file: decryptedDir.getFiles()) {
String filePath = file.getAbsolutePath();
if (remove) {
encryptFile(new FileInputStream(file),new FileOutputStream(new File(filePath
.substring(0, filePath.lastIndexOf(fileEnding))
.replace(inputDirectory, outputDirectory + "/") + fileEnding)), buffer);
} else {
encryptFile(new FileInputStream(file),new FileOutputStream(new File(filePath
.replace(inputDirectory, outputDirectory + "/") + fileEnding)), buffer);
}
}
}
/**
* <p>Decrypts the {@param inputStream} to {@param outputStream}</p>
*
* @param inputStream that should be decrypted
* @param outputStream to which the decrypted {@param inputFile} should be written to
* @param buffer
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException
* @throws NoSuchPaddingException
* @throws InvalidKeyException
* @throws IOException
* @throws InvalidAlgorithmParameterException
*
* @since 1.12.0
*/
public void decryptFile(InputStream inputStream, OutputStream outputStream, byte[] buffer) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IOException{
Key secretKey = new SecretKeySpec(createSecretKey(), "AES");
Cipher cipher = Cipher.getInstance(algorithm);
cipher.init(Cipher.DECRYPT_MODE, secretKey);
CipherOutputStream cipherOutputStream = new CipherOutputStream(outputStream, cipher);
write(inputStream, cipherOutputStream, buffer);
}
/**
* <p>Decrypts all files in the {@param inputDirectory} to the {@param outputDirectory}</p>
*
* @param inputDirectory that should be decrypted
* @param outputDirectory to which the decrypted {@param inputDirectory} files should be written to
* @param fileEnding get added to every file that gets decrypted (if the {@param fileEnding} starts and ends with
* a '@', the {@param fileEnding} will get removed from the file if it exists)
* @param buffer
* @throws InvalidKeySpecException
* @throws NoSuchAlgorithmException
* @throws NoSuchPaddingException
* @throws InvalidKeyException
* @throws IOException
*
* @since 1.12.0
*/
public void decryptDirectory(String inputDirectory, String outputDirectory, String fileEnding, byte[] buffer) throws IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidKeySpecException, NoSuchPaddingException {
boolean remove = false;
if (fileEnding == null) {
fileEnding = "";
} else if (fileEnding.startsWith("@") && fileEnding.endsWith("@")) {
fileEnding = fileEnding.substring(1, fileEnding.length() - 1);
remove = true;
}
final Utils.RecursivelyGetDirFile decryptedDir = new Utils.RecursivelyGetDirFile(new File(inputDirectory));
for (File dir: decryptedDir.getDirectories()) {
String dirPath = dir.getAbsolutePath();
new File(dirPath.replace(inputDirectory, outputDirectory + "/")).mkdir();
}
for (File file: decryptedDir.getFiles()) {
String filePath = file.getAbsolutePath();
if (remove) {
decryptFile(new FileInputStream(file),new FileOutputStream(new File(filePath
.substring(0, filePath.lastIndexOf(fileEnding))
.replace(inputDirectory, outputDirectory + "/") + fileEnding)), buffer);
} else {
decryptFile(new FileInputStream(file),new FileOutputStream(new File(filePath
.replace(inputDirectory, outputDirectory + "/") + fileEnding)), buffer);
}
}
}
/**
* <p>Encrypt {@param bytes}</p>
*
* @param bytes that should be encrypted
* @return encrypted bytes
* @throws BadPaddingException
* @throws IllegalBlockSizeException
* @throws NoSuchPaddingException
* @throws NoSuchAlgorithmException
* @throws InvalidKeySpecException
* @throws InvalidKeyException
*
* @since 1.0.0
*/
public byte[] encrypt(byte[] bytes) throws BadPaddingException, IllegalBlockSizeException, NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException {
Key secretKey = new SecretKeySpec(createSecretKey(), "AES");
Cipher encryptCipher = Cipher.getInstance(algorithm);
encryptCipher.init(Cipher.ENCRYPT_MODE, secretKey);
return encryptCipher.doFinal(bytes);
}
/**
* <p>Encrypt {@param bytes}</p>
*
* @param string that should be encrypted
*
* @see EnDecrypt.AES#encrypt(byte[])
*
* @since 1.0.0
*/
public String encrypt(String string) throws BadPaddingException, NoSuchAlgorithmException, IllegalBlockSizeException, NoSuchPaddingException, InvalidKeyException, InvalidKeySpecException, UnsupportedEncodingException {
return android.util.Base64.encodeToString(encrypt(string.getBytes(UTF_8)), Base64.DEFAULT);
}
/**
* <p>Decrypt encrypted {@param bytes}</p>
*
* @param bytes that should be decrypted
* @return decrypted bytes
* @throws BadPaddingException
* @throws IllegalBlockSizeException
* @throws NoSuchPaddingException
* @throws NoSuchAlgorithmException
* @throws InvalidKeySpecException
* @throws InvalidKeyException
*
* @since 1.12.0
*/
public byte[] decrypt(byte[] bytes) throws BadPaddingException, IllegalBlockSizeException, NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException {
Key secretKey = new SecretKeySpec(createSecretKey(), "AES");
Cipher decryptCipher = Cipher.getInstance(algorithm);
decryptCipher.init(Cipher.DECRYPT_MODE, secretKey);
return decryptCipher.doFinal(android.util.Base64.decode(bytes, Base64.DEFAULT));
}
/**
* <p>Decrypt encrypted {@param string}</p>
*
* @param string that should be decrypted
*
* @see EnDecrypt.AES#decrypt(byte[])
*
* @since 1.0.0
*/
public String decrypt(String string) throws BadPaddingException, NoSuchAlgorithmException, IllegalBlockSizeException, NoSuchPaddingException, InvalidKeyException, InvalidKeySpecException, UnsupportedEncodingException {
return new String(decrypt(string.getBytes(UTF_8)), UTF_8);
}
}
}

306
app/src/main/java/org/blueshard/android/cryptogx/FileEnDecrypt.java Executable file
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package org.blueshard.android.cryptogx;
import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import android.os.Environment;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.Toast;
import com.google.android.gms.ads.AdSize;
import com.google.android.material.textfield.TextInputEditText;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import javax.crypto.NoSuchPaddingException;
public class FileEnDecrypt extends Fragment {
public static final String ARG = "fileEnDecrypt";
private static Fragment fragment;
private static boolean permission = false;
private static byte[] buffer = new byte[64];
private static Map<String, Uri> idFileMap = Collections.synchronizedMap(new HashMap<String, Uri>());
private static final int fileChooseReturnCode = 23905;
private static ListView fileEnDecryptFileBox;
private static Spinner fileEnDecryptAlgorithms;
private static TextInputEditText fileEnDecryptKeyEntry;
private static TextInputEditText fileEnDecryptSaltEntry;
private static ArrayAdapter<String> fileEnDecryptFileBoxAdapter;
@Override
public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
if (requestCode == fileChooseReturnCode && resultCode == Activity.RESULT_OK) {
if (data.getClipData() != null) {
for (int i = 0; i < data.getClipData().getItemCount(); i++) {
try {
Uri uri = data.getClipData().getItemAt(i).getUri();
idFileMap.put(Utils.getFileName(this.getContext(), uri), uri);
fileEnDecryptFileBoxAdapter.add(Utils.getFileName(this.getContext(), uri));
fileEnDecryptFileBoxAdapter.notifyDataSetChanged();
} catch (NullPointerException e) {
e.printStackTrace();
}
}
} else if (data.getData() != null) {
try {
Uri uri = data.getData();
idFileMap.put(Utils.getFileName(this.getContext(), uri), uri);
fileEnDecryptFileBoxAdapter.add(Utils.getFileName(this.getContext(), uri));
fileEnDecryptFileBoxAdapter.notifyDataSetChanged();
} catch (NullPointerException e) {
e.printStackTrace();
}
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case 0:
permission = grantResults[0] == PackageManager.PERMISSION_GRANTED && grantResults.length > 0;
}
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.file_en_decrypt, container, false);
fragment = this;
fileEnDecryptKeyEntry = view.findViewById(R.id.fileEnDecryptKeyEntry);
fileEnDecryptSaltEntry = view.findViewById(R.id.fileEnDecryptSaltEntry);
fileEnDecryptFileBox = view.findViewById(R.id.fileEnDecryptFileBox);
fileEnDecryptFileBoxAdapter = new ArrayAdapter<>(this.getContext(), android.R.layout.simple_list_item_1);
fileEnDecryptFileBox.setAdapter(fileEnDecryptFileBoxAdapter);
fileEnDecryptAlgorithms = view.findViewById(R.id.fileEnDecryptAlgorithm);
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
int bannerSize = AdSize.BANNER.getHeight();
fileEnDecryptFileBox.getLayoutParams().height = Utils.percentOf(displayMetrics.heightPixels - bannerSize, 30);
int fileEnDecryptAdvancedTextWidth = view.findViewById(R.id.fileEnDecryptAdvancedText).getLayoutParams().width;
View fileEnDecryptSeparator1 = view.findViewById(R.id.fileEnDecryptSeparator1);
View fileEnDecryptSeparator2 = view.findViewById(R.id.fileEnDecryptSeparator2);
fileEnDecryptSeparator1.getLayoutParams().width = (displayMetrics.widthPixels - fileEnDecryptAdvancedTextWidth) / 2 - 10;
fileEnDecryptSeparator2.getLayoutParams().width = (displayMetrics.widthPixels - fileEnDecryptAdvancedTextWidth) / 2 - 10;
fileEnDecryptAlgorithms = view.findViewById(R.id.fileEnDecryptAlgorithm);
String[] algorithms = Utils.algorithms.keySet().toArray(new String[Utils.algorithms.size()]);
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(view.getContext(), android.R.layout.simple_list_item_1, algorithms);
fileEnDecryptAlgorithms.setAdapter(arrayAdapter);
return view;
}
protected static void chooseFiles(View view) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
intent.addCategory(Intent.CATEGORY_OPENABLE);
fragment.startActivityForResult(Intent.createChooser(intent, "Choose files"), fileChooseReturnCode);
}
protected static void encrypt(View view) {
permission = Utils.askPermission(fragment, Manifest.permission.WRITE_EXTERNAL_STORAGE, 0);
if (permission) {
File cryptoGXFileDir = new File(Environment.getExternalStorageDirectory() + "/cryptoGX/");
if (!cryptoGXFileDir.isDirectory()) {
if (!cryptoGXFileDir.mkdir()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.could_not_create_folder) + " cryptoGX", Toast.LENGTH_LONG).show();
return;
}
} else {
File cryptoGXEncryptedFilesDir = new File(cryptoGXFileDir + "/encrypted/");
if (!cryptoGXEncryptedFilesDir.isDirectory()) {
if (!cryptoGXEncryptedFilesDir.mkdir()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.could_not_create_folder) + " cryptoGX/encrypted", Toast.LENGTH_LONG).show();
return;
}
}
String key = fileEnDecryptKeyEntry.getText().toString();
byte[] salt;
if (key.isEmpty()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_key), Toast.LENGTH_SHORT).show();
return;
}
if (fileEnDecryptSaltEntry.getText().toString().isEmpty()) {
salt = new byte[16];
} else {
try {
salt = fileEnDecryptSaltEntry.getText().toString().getBytes(Utils.UTF_8);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
salt = new byte[16];
}
}
int lenght;
try {
lenght = Integer.parseInt(fileEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 7));
} catch (NumberFormatException e) {
try {
lenght = Integer.parseInt(fileEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 8));
} catch (NumberFormatException ex) {
lenght = Integer.parseInt(fileEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 6));
}
}
HashSet<String> success = new HashSet<>();
EnDecrypt.AES encrypt = new EnDecrypt.AES(key,
salt,
Utils.algorithms.get(fileEnDecryptAlgorithms.getSelectedItem().toString()),
lenght);
for (Map.Entry<String, Uri> entry : idFileMap.entrySet()) {
String name = entry.getKey();
Uri file = entry.getValue();
try {
encrypt.encryptFile(view.getContext().getContentResolver().openInputStream(file), new FileOutputStream(cryptoGXEncryptedFilesDir + "/" + name + ".cryptoGX"), buffer);
success.add(name);
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (InvalidKeySpecException e) {
e.printStackTrace();
}
}
for (String name: success) {
idFileMap.remove(name);
fileEnDecryptFileBoxAdapter.remove(name);
}
fileEnDecryptFileBoxAdapter.notifyDataSetChanged();
}
}
}
protected static void decrypt(View view) {
permission = Utils.askPermission(fragment, Manifest.permission.WRITE_EXTERNAL_STORAGE, 0);
if (permission) {
File cryptoGXFileDir = new File(Environment.getExternalStorageDirectory() + "/cryptoGX/");
if (!cryptoGXFileDir.isDirectory()) {
if (!cryptoGXFileDir.mkdir()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.could_not_create_folder) + " cryptoGX", Toast.LENGTH_LONG).show();
return;
}
} else {
File cryptoGXDecryptedFilesDir = new File(cryptoGXFileDir + "/decrypted/");
if (!cryptoGXDecryptedFilesDir.isDirectory()) {
if (!cryptoGXDecryptedFilesDir.mkdir()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.could_not_create_folder) + " cryptoGX/decrypted", Toast.LENGTH_LONG).show();
return;
}
}
String key = fileEnDecryptKeyEntry.getText().toString();
byte[] salt;
if (key.isEmpty()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_key), Toast.LENGTH_SHORT).show();
return;
}
if (fileEnDecryptSaltEntry.getText().toString().isEmpty()) {
salt = new byte[16];
} else {
try {
salt = fileEnDecryptSaltEntry.getText().toString().getBytes(Utils.UTF_8);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
salt = new byte[16];
}
}
int lenght;
try {
lenght = Integer.parseInt(fileEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 7));
} catch (NumberFormatException e) {
try {
lenght = Integer.parseInt(fileEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 8));
} catch (NumberFormatException ex) {
lenght = Integer.parseInt(fileEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 6));
}
}
HashSet<String> success = new HashSet<>();
EnDecrypt.AES decrypt = new EnDecrypt.AES(key,
salt,
Utils.algorithms.get(fileEnDecryptAlgorithms.getSelectedItem().toString()),
lenght);
for (Map.Entry<String, Uri> entry : idFileMap.entrySet()) {
String name = entry.getKey();
Uri file = entry.getValue();
try {
decrypt.decryptFile(view.getContext().getContentResolver().openInputStream(file), new FileOutputStream(cryptoGXDecryptedFilesDir + "/" + name + ".cryptoGX"), buffer);
success.add(name);
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (InvalidKeySpecException e) {
e.printStackTrace();
}
}
for (String name: success) {
idFileMap.remove(name);
fileEnDecryptFileBoxAdapter.remove(name);
}
fileEnDecryptFileBoxAdapter.notifyDataSetChanged();
}
}
}
}

223
app/src/main/java/org/blueshard/android/cryptogx/MainActivity.java Executable file
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package org.blueshard.android.cryptogx;
import androidx.appcompat.app.AppCompatActivity;
import androidx.viewpager.widget.ViewPager;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.view.View;
import android.widget.ProgressBar;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdSize;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.MobileAds;
import com.google.android.gms.ads.initialization.InitializationStatus;
import com.google.android.gms.ads.initialization.OnInitializationCompleteListener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
public class MainActivity extends AppCompatActivity {
private Set<Thread> textEnDecryptThreads = Collections.synchronizedSet(new HashSet<Thread>());
private Set<Thread> fileEnDecryptThreads = Collections.synchronizedSet(new HashSet<Thread>());
private Set<Thread> fileDeleteThreads = Collections.synchronizedSet(new HashSet<Thread>());
private AppCompatActivity mainView;
CollectionPagerAdapter fragmentChanger;
ViewPager viewPager;
@SuppressLint("SourceLockedOrientationActivity")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mainView = this;
setContentView(R.layout.activity_main);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
MobileAds.initialize(this, new OnInitializationCompleteListener() {
@Override
public void onInitializationComplete(InitializationStatus initializationStatus) {
}
});
AdView adView = new AdView(this);
adView.setAdSize(AdSize.BANNER);
adView.setAdUnitId("ca-app-pub-3940256099942544/6300978111");
adView = findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
adView.loadAd(adRequest);
fragmentChanger = new CollectionPagerAdapter(getSupportFragmentManager());
viewPager = (ViewPager) findViewById(R.id.pager);
viewPager.setAdapter(fragmentChanger);
}
public void encryptTextButton(final View view) {
final ProgressBar textEnDecryptProgressBar = mainView.findViewById(R.id.textEnDecryptProgressBar);
textEnDecryptProgressBar.setVisibility(View.VISIBLE);
Thread thread = new Thread() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
textEnDecryptThreads.add(Thread.currentThread());
TextEnDecrypt.encrypt(view);
if (textEnDecryptThreads.size() - 1 <= 0) {
runOnUiThread(new Runnable() {
@Override
public void run() {
textEnDecryptProgressBar.setVisibility(View.INVISIBLE);
}
});
}
textEnDecryptThreads.remove(Thread.currentThread());
}
});
}
};
thread.start();
}
public void decryptTextButton(final View view) {
final ProgressBar textEnDecryptProgressBar = mainView.findViewById(R.id.textEnDecryptProgressBar);
textEnDecryptProgressBar.setVisibility(View.VISIBLE);
Thread thread = new Thread() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
textEnDecryptThreads.add(currentThread());
TextEnDecrypt.decrypt(view);
if (textEnDecryptThreads.size() - 1 <= 0) {
runOnUiThread(new Runnable() {
@Override
public void run() {
textEnDecryptProgressBar.setVisibility(View.INVISIBLE);
}
});
}
textEnDecryptThreads.remove(currentThread());
}
});
}
};
thread.start();
}
//------------------------------------------------------------//
public void fileEnDecryptChooseFiles(View view) {
FileEnDecrypt.chooseFiles(view);
}
public void encryptFileButton(final View view) {
final ProgressBar fileEnDecryptProgressBar = mainView.findViewById(R.id.fileEnDecryptProgressBar);
fileEnDecryptProgressBar.setVisibility(View.VISIBLE);
Thread thread = new Thread() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
fileEnDecryptThreads.add(currentThread());
FileEnDecrypt.encrypt(view);
if (fileEnDecryptThreads.size() - 1 <= 0) {
fileEnDecryptProgressBar.setVisibility(View.INVISIBLE);
}
fileEnDecryptThreads.remove(currentThread());
}
});
}
};
thread.start();
}
public void decryptFileButton(final View view) {
final ProgressBar fileEnDecryptProgressBar = mainView.findViewById(R.id.fileEnDecryptProgressBar);
fileEnDecryptProgressBar.setVisibility(View.VISIBLE);
Thread thread = new Thread() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
fileEnDecryptThreads.add(currentThread());
FileEnDecrypt.decrypt(view);
if (fileEnDecryptThreads.size() - 1 <= 0) {
fileEnDecryptProgressBar.setVisibility(View.INVISIBLE);
}
fileEnDecryptThreads.remove(currentThread());
}
});
}
};
thread.start();
}
public void cancelEnDecryptFileButton(View view) {
for (Iterator<Thread> iterator = fileEnDecryptThreads.iterator(); iterator.hasNext();) {
Thread thread = iterator.next();
while (thread.isAlive() && !thread.isInterrupted()) {
thread.stop();
thread.interrupt();
}
iterator.remove();
}
mainView.findViewById(R.id.fileEnDecryptProgressBar).setVisibility(View.INVISIBLE);
}
//------------------------------------------------------------//
public void fileDeleteChooseFiles(View view) {
SecureDeleteFiles.chooseFiles(view);
}
public void deleteFileButton(final View view) {
final ProgressBar fileEnDecryptProgressBar = mainView.findViewById(R.id.fileDeleteProgressBar);
fileEnDecryptProgressBar.setVisibility(View.VISIBLE);
Thread thread = new Thread() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@Override
public void run() {
fileDeleteThreads.add(currentThread());
SecureDeleteFiles.delete(view);
if (fileDeleteThreads.size() - 1 <= 0) {
fileEnDecryptProgressBar.setVisibility(View.INVISIBLE);
}
fileDeleteThreads.remove(currentThread());
}
});
}
};
thread.start();
}
public void cancelDeleteFileButton(View view) {
for (Iterator<Thread> iterator = fileDeleteThreads.iterator(); iterator.hasNext();) {
Thread thread = iterator.next();
while (thread.isAlive() && !thread.isInterrupted()) {
thread.stop();
thread.interrupt();
}
iterator.remove();
}
mainView.findViewById(R.id.fileDeleteProgressBar).setVisibility(View.INVISIBLE);
}
}

196
app/src/main/java/org/blueshard/android/cryptogx/SecureDelete.java Executable file
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package org.blueshard.android.cryptogx;
import java.io.*;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Random;
public class SecureDelete {
/**
* <p>Overwrites the file {@param iterations} times at once with random bytes an delete it</p>
*
* @see SecureDelete#deleteFileAllInOne(File, int)
*/
public static boolean deleteFileAllInOne(String filename, int iterations) throws IOException, NoSuchAlgorithmException {
return deleteFileAllInOne(new File(filename), iterations);
}
/**
* <p>Overwrites the file {@param iterations} times at once with random bytes and delete it</p>
*
* @param file that should be deleted
* @param iterations how many times the file should be overwritten before it gets deleted
* @return if the file could be deleted
* @throws IOException
* @throws NoSuchAlgorithmException
*/
public static boolean deleteFileAllInOne(File file, int iterations) throws IOException, NoSuchAlgorithmException {
long fileLength = file.length() + 1 ;
for (int i=0; i<iterations; i++) {
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(file));
if (fileLength > 1000000000) {
int numOfByteArrays = (int) Math.ceil((double) fileLength / 1000000000);
for (int len=0; len<numOfByteArrays; len++) {
int newMaxFileSize = (int) fileLength / numOfByteArrays;
int newMinFileSize = 0;
byte[] randomBytes = new byte[new Random().nextInt(newMaxFileSize - newMinFileSize) + newMinFileSize];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
bufferedOutputStream.write(randomBytes);
}
} else {
byte[] randomBytes = new byte[new Random().nextInt((int) fileLength)];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
bufferedOutputStream.write(randomBytes);
}
bufferedOutputStream.flush();
bufferedOutputStream.close();
}
return file.delete();
}
/**
* <p>Overwrites the file {@param iterations} times at once with random bytes (minimal size {@param minFileSize}; maximal size {@param maxFileSize}) and delete it</p>
*
* @see SecureDelete#deleteFileAllInOne(String, int, long, long)
*/
public static boolean deleteFileAllInOne(String filename, int iterations, long minFileSize, long maxFileSize) throws IOException, NoSuchAlgorithmException {
return deleteFileAllInOne(new File(filename), iterations, minFileSize, maxFileSize);
}
/**
* <p>Overwrites the file {@param iterations} times at once with random bytes (minimal size {@param minFileSize}; maximal size {@param maxFileSize}) and delete it</p>
*
* @param file that should be deleted
* @param iterations how many times the file should be overwritten before it gets deleted
* @param minFileSize is the minimal file size for every {@param iterations}
* @param maxFileSize is the maximal file size for every {@param iterations}
* @return if the file could be deleted
* @throws IOException
* @throws NoSuchAlgorithmException
*/
public static boolean deleteFileAllInOne(File file, int iterations, long minFileSize, long maxFileSize) throws IOException, NoSuchAlgorithmException {
for (int i = 0; i < iterations; i++) {
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(file));
if (maxFileSize > 1000000000) {
int numOfByteArrays = (int) Math.ceil((double) maxFileSize / 1000000000);
for (int len = 0; len < numOfByteArrays; len++) {
int newMaxFileSize = (int) maxFileSize / numOfByteArrays;
int newMinFileSize = 0;
if (minFileSize != 0) {
newMinFileSize = (int) minFileSize / numOfByteArrays;
}
byte[] randomBytes = new byte[new Random().nextInt(newMaxFileSize - newMinFileSize) + newMinFileSize];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
bufferedOutputStream.write(randomBytes);
}
} else {
byte[] randomBytes = new byte[new Random().nextInt((int) maxFileSize - (int) minFileSize) + (int) minFileSize];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
bufferedOutputStream.write(randomBytes);
}
bufferedOutputStream.flush();
bufferedOutputStream.close();
}
return file.delete();
}
/**
* <p>Overwrites the file {@param iterations} times line by line with random bytes and delete it</p>
*
* @see SecureDelete#deleteFileLineByLine(File, int)
*/
public static boolean deleteFileLineByLine(String filename, int iterations) throws NoSuchAlgorithmException, IOException {
return deleteFileLineByLine(new File(filename), iterations);
}
/**
* <p>Overwrites the file {@param iterations} times line by line with random bytes and delete it</p>
*
* @param file that should be deleted
* @param iterations how many times the file should be overwritten before it gets deleted
* @return if the file could be deleted
* @throws IOException
* @throws NoSuchAlgorithmException
*/
public static boolean deleteFileLineByLine(File file, int iterations) throws NoSuchAlgorithmException, IOException {
long fileLength = file.length() + 1 ;
for (int i=0; i<iterations; i++) {
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(file));
if (fileLength > 1000000000) {
int numOfByteArrays = (int) Math.ceil((double) fileLength / 1000000000);
for (int len=0; len<numOfByteArrays; len++) {
int newMaxFileSize = (int) fileLength / numOfByteArrays;
int newMinFileSize = 0;
byte[] randomBytes = new byte[new Random().nextInt(newMaxFileSize - newMinFileSize) + newMinFileSize];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
for (byte b: randomBytes) {
bufferedOutputStream.write(b);
}
}
} else {
byte[] randomBytes = new byte[new Random().nextInt((int) fileLength)];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
for (byte b : randomBytes) {
bufferedOutputStream.write(b);
}
}
bufferedOutputStream.flush();
bufferedOutputStream.close();
}
return file.delete();
}
/**
* <p>Overwrites the file {@param iterations} times line by line with random bytes (minimal size {@param minFileSize}; maximal size {@param maxFileSize}) and delete it</p>
*/
public static boolean deleteFileLineByLine(String filename, int iterations, long minFileSize, long maxFileSize) throws NoSuchAlgorithmException, IOException {
return deleteFileLineByLine(new File(filename), iterations, minFileSize, maxFileSize);
}
/**
* <p>Overwrites the file {@param iterations} times line by line with random bytes (minimal size {@param minFileSize}; maximal size {@param maxFileSize}) and delete it</p>
*
* @param file that should be deleted
* @param iterations how many times the file should be overwritten before it gets deleted
* @param minFileSize is the minimal file size for every {@param iterations}
* @param maxFileSize is the maximal file size for every {@param iterations}
* @return if the file could be deleted
* @throws IOException
* @throws NoSuchAlgorithmException
*/
public static boolean deleteFileLineByLine(File file, int iterations, long minFileSize, long maxFileSize) throws NoSuchAlgorithmException, IOException {
for (int i=0; i<iterations; i++) {
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(file));
if (maxFileSize > 1000000000) {
int numOfByteArrays = (int) Math.ceil((double) maxFileSize / 1000000000);
for (int len=0; len<numOfByteArrays; len++) {
int newMaxFileSize = (int) maxFileSize / numOfByteArrays;
int newMinFileSize = 0;
if (minFileSize != 0) {
newMinFileSize = (int) minFileSize / numOfByteArrays;
}
byte[] randomBytes = new byte[new Random().nextInt(newMaxFileSize - newMinFileSize) + newMinFileSize];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
for (byte b: randomBytes) {
bufferedOutputStream.write(b);
}
}
} else {
byte[] randomBytes = new byte[new Random().nextInt((int) maxFileSize - (int) minFileSize) + (int) minFileSize];
SecureRandom.getInstance("SHA1PRNG").nextBytes(randomBytes);
for (byte b : randomBytes) {
bufferedOutputStream.write(b);
}
}
bufferedOutputStream.flush();
bufferedOutputStream.close();
}
return file.delete();
}
}

166
app/src/main/java/org/blueshard/android/cryptogx/SecureDeleteFiles.java Executable file
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@ -0,0 +1,166 @@
package org.blueshard.android.cryptogx;
import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import com.google.android.gms.ads.AdSize;
import com.google.android.material.textfield.TextInputEditText;
import org.blueshard.android.cryptogx.filedirchooser.FileDirChooser;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
public class SecureDeleteFiles extends Fragment {
public static final String ARG = "secureDeleteFiles";
private static Fragment fragment;
private static boolean permission;
private static final int fileChooseReturnCode = 34589;
private static ListView fileDeleteFileBox;
private static TextInputEditText fileDeleteIterationsEntry;
private static Map<String, Uri> idFileMap = Collections.synchronizedMap(new HashMap<String, Uri>());
private static ArrayAdapter<String> fileDeleteFileBoxAdapter;
@Override
public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
if (requestCode == fileChooseReturnCode && resultCode == Activity.RESULT_OK) {
if (data.getClipData() != null) {
for (int i = 0; i < data.getClipData().getItemCount(); i++) {
try {
Uri uri = data.getClipData().getItemAt(i).getUri();
idFileMap.put(Utils.getFileName(this.getContext(), uri), uri);
fileDeleteFileBoxAdapter.add(Utils.getFileName(this.getContext(), uri));
fileDeleteFileBoxAdapter.notifyDataSetChanged();
} catch (NullPointerException e) {
e.printStackTrace();
}
}
} else if (data.getData() != null) {
try {
Uri uri = data.getData();
idFileMap.put(Utils.getFileName(this.getContext(), uri), uri);
fileDeleteFileBoxAdapter.add(Utils.getFileName(this.getContext(), uri));
fileDeleteFileBoxAdapter.notifyDataSetChanged();
} catch (NullPointerException e) {
e.printStackTrace();
}
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case 0:
permission = grantResults[0] == PackageManager.PERMISSION_GRANTED && grantResults.length > 0;
}
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.secure_delete_files, container, false);
fragment = this;
fileDeleteFileBox = view.findViewById(R.id.fileDeleteFileBox);
fileDeleteFileBoxAdapter = new ArrayAdapter<>(this.getContext(), android.R.layout.simple_list_item_1);
fileDeleteFileBox.setAdapter(fileDeleteFileBoxAdapter);
fileDeleteIterationsEntry = view.findViewById(R.id.fileDeleteIterationsEntry);
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
int bannerSize = AdSize.BANNER.getHeight();
ListView fileDeleteFileBox = view.findViewById(R.id.fileDeleteFileBox);
fileDeleteFileBox.getLayoutParams().height = Utils.percentOf(displayMetrics.heightPixels - bannerSize, 44);
int fileDeleteAdvancedTextWidth = view.findViewById(R.id.fileDeleteAdvancedText).getLayoutParams().width;
View fileDeleteSeparator1 = view.findViewById(R.id.fileDeleteSeparator1);
View fileDeleteSeparator2 = view.findViewById(R.id.fileDeleteSeparator2);
fileDeleteSeparator1.getLayoutParams().width = (displayMetrics.widthPixels - fileDeleteAdvancedTextWidth) / 2 - 10;
fileDeleteSeparator2.getLayoutParams().width = (displayMetrics.widthPixels - fileDeleteAdvancedTextWidth) / 2 - 10;
return view;
}
protected static void chooseFiles(View view) {
Intent i = new Intent(fragment.getContext(), FileDirChooser.class);
fragment.startActivity(i);
}
protected static void delete(View view) {
permission = Utils.askPermission(fragment, Manifest.permission.WRITE_EXTERNAL_STORAGE, 0);
if (permission) {
HashSet<String> success = new HashSet<>();
int iterations;
try {
String iterationEntry = fileDeleteIterationsEntry.getText().toString();
if (iterationEntry.isEmpty()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_iterations), Toast.LENGTH_SHORT).show();
return;
}
iterations = Integer.parseInt(iterationEntry);
} catch (NumberFormatException e) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.wrong_iterations), Toast.LENGTH_SHORT).show();
return;
}
for (Map.Entry<String, Uri> entry: idFileMap.entrySet()) {
try {
File file = new File(Utils.getPath(view.getContext(), entry.getValue()));
if (file == null) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.no_file_path) + " " + entry.getKey(), Toast.LENGTH_LONG).show();
} else {
SecureDelete.deleteFileLineByLine(file, iterations);
while (file.isFile()) {
file.delete();
}
success.add(entry.getKey());
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
for (String name: success) {
idFileMap.remove(name);
fileDeleteFileBoxAdapter.remove(name);
}
fileDeleteFileBoxAdapter.notifyDataSetChanged();
}
}
}

171
app/src/main/java/org/blueshard/android/cryptogx/TextEnDecrypt.java Executable file
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package org.blueshard.android.cryptogx;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.google.android.gms.ads.AdSize;
import com.google.android.material.textfield.TextInputEditText;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
public class TextEnDecrypt extends Fragment {
private static TextInputEditText textEnDecryptKeyEntry;
private static TextInputEditText textEnDecryptSaltEntry;
private static EditText textEnDecryptDecryptedText;
private static EditText textEnDecryptEncryptedText;
private static Spinner textEnDecryptAlgorithms;
public static final String ARG = "textEnDecrypt";
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.text_en_decrypt, container, false);
textEnDecryptKeyEntry = view.findViewById(R.id.textEnDecryptKeyEntry);
textEnDecryptSaltEntry = view.findViewById(R.id.textEnDecryptSaltEntry);
textEnDecryptDecryptedText = view.findViewById(R.id.textEnDecryptDecryptedText);
textEnDecryptEncryptedText = view.findViewById(R.id.textEnDecryptEncryptedText);
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
int bannerSize = AdSize.BANNER.getHeight();
EditText textEnDecryptDecryptedText = view.findViewById(R.id.textEnDecryptDecryptedText);
textEnDecryptDecryptedText.getLayoutParams().height = Utils.percentOf(displayMetrics.heightPixels - bannerSize, 21);
EditText textEnDecryptEncryptedText = view.findViewById(R.id.textEnDecryptEncryptedText);
textEnDecryptEncryptedText.getLayoutParams().height = Utils.percentOf(displayMetrics.heightPixels - bannerSize, 21);
int textEnDecryptAdvancedTextWidth = view.findViewById(R.id.textEnDecryptAdvancedText).getLayoutParams().width;
View textEnDecryptSeparator1 = view.findViewById(R.id.textEnDecryptSeparator1);
View textEnDecryptSeparator2 = view.findViewById(R.id.textEnDecryptSeparator2);
textEnDecryptSeparator1.getLayoutParams().width = (displayMetrics.widthPixels - textEnDecryptAdvancedTextWidth) / 2 - 10;
textEnDecryptSeparator2.getLayoutParams().width = (displayMetrics.widthPixels - textEnDecryptAdvancedTextWidth) / 2 - 10;
textEnDecryptAlgorithms = view.findViewById(R.id.textEnDecryptAlgorithms);
String[] algorithms = Utils.algorithms.keySet().toArray(new String[Utils.algorithms.size()]);
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(view.getContext(), android.R.layout.simple_spinner_item, algorithms);
textEnDecryptAlgorithms.setAdapter(arrayAdapter);
return view;
}
protected static void encrypt(View view) {
if (textEnDecryptKeyEntry.getText().toString().isEmpty()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_key), Toast.LENGTH_SHORT).show();
return;
}
try {
byte[] salt;
int lenght;
try {
lenght = Integer.parseInt(textEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 7));
} catch (NumberFormatException e) {
try {
lenght = Integer.parseInt(textEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 8));
} catch (NumberFormatException ex) {
lenght = Integer.parseInt(textEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 6));
}
}
if (textEnDecryptSaltEntry.getText().toString().isEmpty()) {
salt = new byte[16];
} else {
salt = textEnDecryptSaltEntry.getText().toString().getBytes(EnDecrypt.UTF_8);
}
EnDecrypt.AES encrypt = new EnDecrypt.AES(textEnDecryptKeyEntry.getText().toString(),
salt,
Utils.algorithms.get(textEnDecryptAlgorithms.getSelectedItem().toString()),
lenght);
String encryptedText = encrypt.encrypt(textEnDecryptDecryptedText.getText().toString());
textEnDecryptEncryptedText.setText(encryptedText);
} catch (InvalidKeySpecException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
protected static void decrypt(View view) {
if (textEnDecryptKeyEntry.getText().toString().isEmpty()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_key), Toast.LENGTH_SHORT).show();
return;
} else if (textEnDecryptEncryptedText.getText().toString().isEmpty()) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_encrypted_text), Toast.LENGTH_LONG).show();
return;
}
try {
byte[] salt;
int lenght;
try {
lenght = Integer.parseInt(textEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 7));
} catch (NumberFormatException e) {
try {
lenght = Integer.parseInt(textEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 8));
} catch (NumberFormatException ex) {
lenght = Integer.parseInt(textEnDecryptAlgorithms.getSelectedItem().toString().substring(4, 6));
}
}
if (textEnDecryptSaltEntry.getText().toString().isEmpty()) {
salt = new byte[16];
} else {
salt = textEnDecryptSaltEntry.getText().toString().getBytes(EnDecrypt.UTF_8);
}
EnDecrypt.AES decrypt = new EnDecrypt.AES(textEnDecryptKeyEntry.getText().toString(),
salt,
Utils.algorithms.get(textEnDecryptAlgorithms.getSelectedItem().toString()),
lenght);
String encryptedText = decrypt.decrypt(textEnDecryptEncryptedText.getText().toString());
textEnDecryptDecryptedText.setText(encryptedText);
} catch (IllegalArgumentException e) {
Toast.makeText(view.getContext(), view.getResources().getString(R.string.empty_key), Toast.LENGTH_LONG).show();
} catch (InvalidKeySpecException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
}

314
app/src/main/java/org/blueshard/android/cryptogx/Utils.java Executable file
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package org.blueshard.android.cryptogx;
import android.Manifest;
import android.content.ContentUris;
import android.content.Context;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.media.ThumbnailUtils;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.provider.OpenableColumns;
import android.util.Log;
import android.util.Size;
import android.webkit.MimeTypeMap;
import androidx.fragment.app.Fragment;
import java.io.File;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.TreeMap;
import java.util.TreeSet;
public class Utils {
public static final int normalFile = 0;
public static final int imageFile = 1;
public static final int audioFile = 2;
public static final int videoFile = 3;
public static String UTF_8 = "UTF-8";
public static TreeMap<String, String> algorithms = allAlgorithms();
private static TreeMap<String, String> allAlgorithms() {
TreeMap<String, String> return_map = new TreeMap<>();
int[] aesKeySizes = {128, 192, 256};
for (int i: aesKeySizes) {
return_map.put("AES-" + i, "AES");
}
return return_map;
}
protected static boolean askPermission(Fragment fragment, String permission, int requestCode) {
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
int permissionCheck = fragment.getContext().checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permissionCheck == PackageManager.PERMISSION_GRANTED) {
return true;
}
fragment.requestPermissions(new String[]{permission}, requestCode);
return false;
} else {
return true;
}
}
public static String getFileName(Context context, Uri uri) {
String result = null;
if (uri.getScheme().equals("content")) {
Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
}
} finally {
cursor.close();
}
}
if (result == null) {
result = uri.getPath();
int cut = result.lastIndexOf('/');
if (cut != -1) {
result = result.substring(cut + 1);
}
}
return result;
}
public static String getPath(final Context context, final Uri uri) {
// check here to KITKAT or new version
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
// DocumentProvider
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
// ExternalStorageProvider
if (GetPathUtils.isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/"
+ split[1];
}
}
// DownloadsProvider
else if (GetPathUtils.isDownloadsDocument(uri)) {
final String id = DocumentsContract.getDocumentId(uri);
final Uri contentUri = ContentUris.withAppendedId(
Uri.parse("content://downloads/public_downloads"),
Long.valueOf(id));
return GetPathUtils.getDataColumn(context, contentUri, null, null);
}
// MediaProvider
else if (GetPathUtils.isMediaDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
final String selection = "_id=?";
final String[] selectionArgs = new String[]{split[1]};
return GetPathUtils.getDataColumn(context, contentUri, selection,
selectionArgs);
}
} else if ("content".equalsIgnoreCase(uri.getScheme())) {
// Return the remote address
if (GetPathUtils.isGooglePhotosUri(uri))
return uri.getLastPathSegment();
return GetPathUtils.getDataColumn(context, uri, null, null);
} else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}
private static class GetPathUtils {
/**
* Get the value of the data column for this Uri. This is useful for
* MediaStore Uris, and other file-based ContentProviders.
*
* @param context
* The context.
* @param uri
* The Uri to query.
* @param selection
* (Optional) Filter used in the query.
* @param selectionArgs
* (Optional) Selection arguments used in the query.
* @return The value of the _data column, which is typically a file path.
*/
public static String getDataColumn(Context context, Uri uri,
String selection, String[] selectionArgs) {
Cursor cursor = null;
final String column = "_data";
final String[] projection = { column };
try {
cursor = context.getContentResolver().query(uri, projection,
selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {
final int index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(index);
}
} finally {
if (cursor != null)
cursor.close();
}
return null;
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is ExternalStorageProvider.
*/
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri
.getAuthority());
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
*/
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri
.getAuthority());
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is MediaProvider.
*/
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri
.getAuthority());
}
/**
* @param uri
* The Uri to check.
* @return Whether the Uri authority is Google Photos.
*/
public static boolean isGooglePhotosUri(Uri uri) {
return "com.google.android.apps.photos.content".equals(uri
.getAuthority());
}
}
public static int getTypeOfFile(String fname) {
if (!fname.contains(".")) {
return normalFile;
}
switch (fname.substring(fname.lastIndexOf(".") + 1)) {
case "bpm":
case "gif":
case "jpg":
case "png":
case "webp":
return imageFile;
case "heic":
case "heif":
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
return imageFile;
} else {
return normalFile;
}
case "m4a":
case "acc":
case "flac":
case "gsm":
case "mid":
case "xmf":
case "mxmf":
case "rtttl":
case "rtx":
case "ota":
case "imy":
case "mp3":
case "wav":
case "ogg":
return audioFile;
case "3gp":
case "mp4":
case "ts":
case "webm":
case "mkv":
return videoFile;
default:
return normalFile;
}
}
public static int percentOf(int i, float percent) {
return (int) (i * (percent / 100));
}
public static class RecursivelyGetDirFile {
private TreeSet<File> directories = new TreeSet<>();
private TreeSet<File> files = new TreeSet<>();
RecursivelyGetDirFile(File file) {
getAll(file);
}
private void getAll(File startFile) {
for (File file: startFile.listFiles()) {
if (file.isFile()) {
files.add(file);
} else {
directories.add(file);
getAll(file);
}
}
}
public TreeSet<File> getDirectories() {
return directories;
}
public TreeSet<File> getFiles() {
return files;
}
}
}

71
app/src/main/java/org/blueshard/android/cryptogx/filedirchooser/FileDirAdapter.java Executable file
View File

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package org.blueshard.android.cryptogx.filedirchooser;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import org.blueshard.android.cryptogx.R;
public class FileDirAdapter extends RecyclerView.Adapter<FileDirAdapter.FileDirHolder> {
private FileDirData[] dataSet;
private View.OnClickListener onClickListener;
private View.OnLongClickListener onLongClickListener;
public FileDirAdapter(FileDirData[] dataSet, View.OnClickListener onClickListener, View.OnLongClickListener onLongClickListener) {
this.dataSet = dataSet;
this.onClickListener = onClickListener;
this.onLongClickListener = onLongClickListener;
}
public class FileDirHolder extends RecyclerView.ViewHolder {
private final TextView textView;
private final ImageView imageView;
public FileDirHolder(View view) {
super(view);
this.textView = view.findViewById(R.id.fileDirText);
this.imageView = view.findViewById(R.id.fileDirImage);
}
}
@NonNull
@Override
public FileDirHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View chooserItem = LayoutInflater.from(parent.getContext()).inflate(R.layout.file_dir_item, parent, false);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) chooserItem.getLayoutParams();
params.height = 200;
chooserItem.setLayoutParams(params);
chooserItem.setOnClickListener(onClickListener);
chooserItem.setOnLongClickListener(onLongClickListener);
return new FileDirHolder(chooserItem);
}
@Override
public void onBindViewHolder(@NonNull FileDirHolder holder, int position) {
FileDirData data = dataSet[position];
if (data != null) {
holder.textView.setText(data.getFile().getName());
holder.imageView.setImageDrawable(data.getImage());
}
}
@Override
public int getItemCount() {
return dataSet.length;
}
public FileDirData getData(int index) {
return dataSet[index];
}
}

109
app/src/main/java/org/blueshard/android/cryptogx/filedirchooser/FileDirChooser.java Executable file
View File

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package org.blueshard.android.cryptogx.filedirchooser;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import org.blueshard.android.cryptogx.R;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.concurrent.atomic.AtomicInteger;
public class FileDirChooser extends AppCompatActivity {
private RecyclerView files;
private RecyclerView selectedFileDirs;
private FileDirAdapter filesAdapter;
private SelectedFileDirsAdapter selectedFileDirsAdapter;
private Context context = this;
private FileDirData[] dataSet;
private ArrayList<FileDirData> selectedDataSet;
private boolean multipleMode = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_file_dir_chooser);
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.fileDirFragment, new FileDirFragment());
transaction.addToBackStack(null);
transaction.commit();
final Intent intent = getIntent();
Bundle extras = intent.getExtras();
File startDirectory;
if (extras != null) {
String directory = extras.getString("directory");
if (directory != null && !directory.equals("<root>")) {
startDirectory = new File(directory);
} else {
startDirectory = Environment.getExternalStorageDirectory();
}
multipleMode = extras.getBoolean("multipleMode");
} else {
startDirectory = Environment.getExternalStorageDirectory();
}
dataSet = new FileDirData[startDirectory.listFiles().length];
filesInDir(startDirectory);
filesAdapter = new FileDirAdapter(dataSet, new View.OnClickListener() {
@Override
public void onClick(View view) {
File file = filesAdapter.getData(files.getChildLayoutPosition(view)).getFile();
if (file.isDirectory()) {
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.fileDirFragment, new FileDirFragment());
transaction.addToBackStack(null);
transaction.commit();
} else if (!multipleMode) {
View selectedFileDirs = findViewById(R.id.selectedFileDirs);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) selectedFileDirs.getLayoutParams();
params.height = 0;
selectedFileDirs.setLayoutParams(params);
}
}
}, new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
FileDirData data = filesAdapter.getData(files.getChildLayoutPosition(view));
if (multipleMode) {
selectedDataSet.add(data);
selectedFileDirsAdapter.notifyDataSetChanged();
return true;
} else if (data.getFile().isFile()) {
setResult(Activity.RESULT_OK, intent);
finish();
return true;
}
return false;
}
});
files = findViewById(R.id.files);
files.setAdapter(filesAdapter);
files.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
selectedFileDirs = findViewById(R.id.selectedFileDirs);
}
}

26
app/src/main/java/org/blueshard/android/cryptogx/filedirchooser/FileDirData.java Executable file
View File

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package org.blueshard.android.cryptogx.filedirchooser;
import android.graphics.drawable.Drawable;
import java.io.File;
public class FileDirData {
private final File file;
private final Drawable image;
public FileDirData(File file, Drawable image) {
this.file = file;
this.image = image;
}
public File getFile() {
return file;
}
public Drawable getImage() {
return image;
}
}

159
app/src/main/java/org/blueshard/android/cryptogx/filedirchooser/FileDirFragment.java Executable file
View File

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package org.blueshard.android.cryptogx.filedirchooser;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentTransaction;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import org.blueshard.android.cryptogx.R;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.concurrent.atomic.AtomicInteger;
public class FileDirFragment extends Fragment {
private Context context;
private File directory;
private RecyclerView files;
private RecyclerView selectedFileDirs;
private FileDirAdapter filesAdapter;
private SelectedFileDirsAdapter selectedFileDirsAdapter;
private FileDirData[] dataSet;
private ArrayList<FileDirData> selectedDataSet;
private boolean multipleMode = false;
public FileDirFragment(File directory) {
dataSet = new FileDirData[directory.listFiles().length];
this.directory = directory;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
context = view.getContext();
RecyclerView files = (RecyclerView) view.findViewById(R.id.files);
filesInDir(directory);
filesAdapter = new FileDirAdapter(dataSet, new View.OnClickListener() {
@Override
public void onClick(View view) {
File file = filesAdapter.getData(files.getChildLayoutPosition(view)).getFile();
if (file.isDirectory()) {
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.fileDirFragment, new FileDirFragment());
transaction.addToBackStack(null);
transaction.commit();
} else if (!multipleMode) {
View selectedFileDirs = findViewById(R.id.selectedFileDirs);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) selectedFileDirs.getLayoutParams();
params.height = 0;
selectedFileDirs.setLayoutParams(params);
}
}
}, new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
FileDirData data = filesAdapter.getData(files.getChildLayoutPosition(view));
if (multipleMode) {
selectedDataSet.add(data);
selectedFileDirsAdapter.notifyDataSetChanged();
return true;
} else if (data.getFile().isFile()) {
setResult(Activity.RESULT_OK, intent);
finish();
return true;
}
return false;
}
});
files = view.findViewById(R.id.files);
files.setAdapter(filesAdapter);
files.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
selectedFileDirs = new FileDirChooser().findViewById(R.id.selectedFileDirs);
}
private void filesInDir(File directory) {
final File[] files = directory.listFiles();
System.out.println(Arrays.toString(files));
if (files != null) {
Arrays.sort(files, new Comparator<File>() {
@Override
public int compare(File object1, File object2) {
return object1.getName().compareToIgnoreCase(object2.getName());
}
});
final int cores;
if (files.length == 0) {
return;
} else if (files.length < Runtime.getRuntime().availableProcessors()) {
cores = files.length;
} else {
cores = (int) Math.ceil(files.length / Runtime.getRuntime().availableProcessors());
}
final AtomicInteger itemsPerThread = new AtomicInteger((int) Math.ceil(files.length / cores));
for (int core = 0; core < cores; core++) {
final int finalCore = core;
Thread thread = new Thread() {
@Override
public void run() {
File file;
for (int i = itemsPerThread.get() * finalCore; i < i + itemsPerThread.get(); i++) {
try {
file = files[i];
} catch (ArrayIndexOutOfBoundsException e) {
return;
}
if (file.isDirectory()) {
dataSet[i] = new FileDirData(file, getResources().getDrawable(R.drawable.normal_folder));
continue;
} else {
try {
/*FileInputStream fis = new FileInputStream(file);
Bitmap imageBitmap = BitmapFactory.decodeStream(fis);
Float width = new Float(imageBitmap.getWidth());
Float height = new Float(imageBitmap.getHeight());
Float ratio = width/height;
imageBitmap = Bitmap.createScaledBitmap(imageBitmap, (int)(64 * ratio), 64, false);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
imageBitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
byte[] imageData = baos.toByteArray();
BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
dataSet[i] = new FileDirData(file, new BitmapDrawable(BitmapFactory.decodeByteArray(imageData, 0, imageData.length)));*/
dataSet[i] = new FileDirData(file, context.getResources().getDrawable(R.drawable.image_file));
} catch (Exception e) {
dataSet[i] = new FileDirData(file, getResources().getDrawable(R.drawable.normal_file));
}
}
}
}
};
thread.start();
}
}
}
}

72
app/src/main/java/org/blueshard/android/cryptogx/filedirchooser/SelectedFileDirsAdapter.java Executable file
View File

@ -0,0 +1,72 @@
package org.blueshard.android.cryptogx.filedirchooser;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import org.blueshard.android.cryptogx.R;
import java.util.ArrayList;
public class SelectedFileDirsAdapter extends RecyclerView.Adapter<SelectedFileDirsAdapter.SelectedFileDirsHolder>{
private ArrayList<FileDirData> dataSet;
private View.OnClickListener onClickListener;
private View.OnLongClickListener onLongClickListener;
public SelectedFileDirsAdapter(ArrayList<FileDirData> dataSet, View.OnClickListener onClickListener, View.OnLongClickListener onLongClickListener) {
this.dataSet = dataSet;
this.onClickListener = onClickListener;
this.onLongClickListener = onLongClickListener;
}
public class SelectedFileDirsHolder extends RecyclerView.ViewHolder {
public final TextView textView;
public final ImageView imageView;
public SelectedFileDirsHolder(View view) {
super(view);
this.textView = view.findViewById(R.id.fileImage);
this.imageView = view.findViewById(R.id.fileName);
}
}
@NonNull
@Override
public SelectedFileDirsHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View selectedItem = LayoutInflater.from(parent.getContext()).inflate(R.layout.selected_file_dirs_item, parent, false);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) selectedItem.getLayoutParams();
params.width = 120;
selectedItem.setLayoutParams(params);
selectedItem.setOnClickListener(onClickListener);
selectedItem.setOnLongClickListener(onLongClickListener);
return new SelectedFileDirsHolder(selectedItem);
}
@Override
public void onBindViewHolder(@NonNull SelectedFileDirsHolder holder, int position) {
FileDirData data = dataSet.get(position);
if (data != null) {
holder.imageView.setImageDrawable(data.getImage());
holder.textView.setText(data.getFile().getName());
}
}
@Override
public int getItemCount() {
return dataSet.size();
}
public FileDirData getData(int index) {
return dataSet.get(index);
}
}

30
app/src/main/res/drawable-v24/ic_launcher_foreground.xml Executable file
View File

@ -0,0 +1,30 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
<aapt:attr name="android:fillColor">
<gradient
android:endX="85.84757"
android:endY="92.4963"
android:startX="42.9492"
android:startY="49.59793"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0" />
<item
android:color="#00000000"
android:offset="1.0" />
</gradient>
</aapt:attr>
</path>
<path
android:fillColor="#FFFFFF"
android:fillType="nonZero"
android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
android:strokeWidth="1"
android:strokeColor="#00000000" />
</vector>

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app/src/main/res/drawable/audio_file.png Executable file
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7
app/src/main/res/drawable/cancel_button_style.xml Executable file
View File

@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#A6FF4444"/>
<corners android:radius="15dp"/>
</shape>

7
app/src/main/res/drawable/choose_files_style.xml Executable file
View File

@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#9999CC00"/>
<corners android:radius="15dp"/>
</shape>

15
app/src/main/res/drawable/decrypt_border_style.xml Executable file
View File

@ -0,0 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:thickness="0dp" android:shape="rectangle">
<stroke android:width="2dp"
android:color="#9999CC00"/>
<corners android:radius="10dp"
/>
<padding android:left="10dp"
android:top="5dp"
android:right="10dp"
android:bottom="5dp"/>
</shape>

15
app/src/main/res/drawable/encrypt_border_style.xml Executable file
View File

@ -0,0 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:thickness="0dp" android:shape="rectangle">
<stroke android:width="2dp"
android:color="#80FF4444"/>
<corners android:radius="10dp"
/>
<padding android:left="10dp"
android:top="5dp"
android:right="10dp"
android:bottom="5dp"/>
</shape>

8
app/src/main/res/drawable/file_box_style.xml Executable file
View File

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="@android:color/transparent" />
<corners android:radius="5dp" />
<stroke
android:width="1dp"
android:color="#B29C27B0" />
</shape>

170
app/src/main/res/drawable/ic_launcher_background.xml Executable file
View File

@ -0,0 +1,170 @@
<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path
android:fillColor="#3DDC84"
android:pathData="M0,0h108v108h-108z" />
<path
android:fillColor="#00000000"
android:pathData="M9,0L9,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,0L19,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M29,0L29,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M39,0L39,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M49,0L49,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M59,0L59,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M69,0L69,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M79,0L79,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M89,0L89,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M99,0L99,108"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,9L108,9"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,19L108,19"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,29L108,29"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,39L108,39"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,49L108,49"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,59L108,59"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,69L108,69"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,79L108,79"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,89L108,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M0,99L108,99"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,29L89,29"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,39L89,39"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,49L89,49"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,59L89,59"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,69L89,69"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M19,79L89,79"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M29,19L29,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M39,19L39,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M49,19L49,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M59,19L59,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M69,19L69,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
<path
android:fillColor="#00000000"
android:pathData="M79,19L79,89"
android:strokeWidth="0.8"
android:strokeColor="#33FFFFFF" />
</vector>

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app/src/main/res/drawable/image_file.png Executable file
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app/src/main/res/drawable/normal_file.png Executable file
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app/src/main/res/drawable/normal_folder.png Executable file
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7
app/src/main/res/drawable/round_button_style.xml Executable file
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@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#6700DDFF"/>
<corners android:radius="15dp"/>
</shape>

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app/src/main/res/drawable/spinner_drop.png Executable file
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8
app/src/main/res/drawable/spinner_style.xml Executable file
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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="@android:color/transparent" />
<corners android:radius="5dp" />
<stroke
android:width="1dp"
android:color="#AAAAAA" />
</shape>

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app/src/main/res/drawable/video_file.png Executable file
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45
app/src/main/res/layout/activity_file_dir_chooser.xml Executable file
View File

@ -0,0 +1,45 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<FrameLayout
android:id="@+id/fileDirFragment"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="@+id/selectedFileDirs"
android:layout_alignParentTop="true"
android:layout_marginBottom="0dp">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/files"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="0dp"
android:fadeScrollbars="false"
android:scrollbarSize="5dp"
android:scrollbarThumbVertical="@android:color/darker_gray"
android:scrollbars="vertical"
app:layout_constraintBottom_toTopOf="@+id/selectedFileDirs"
app:layout_constraintTop_toTopOf="parent"
tools:context=".filedirchooser.FileDirChooser" />
</FrameLayout>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/selectedFileDirs"
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_alignParentBottom="true"
android:fadeScrollbars="false"
android:scrollbarSize="5dp"
android:scrollbarThumbVertical="@android:color/darker_gray"
android:scrollbars="horizontal"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="parent" >
</androidx.recyclerview.widget.RecyclerView>
</RelativeLayout>

25
app/src/main/res/layout/activity_main.xml Executable file
View File

@ -0,0 +1,25 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
tools:context=".MainActivity"
tools:ignore="ExtraText">
<com.google.android.gms.ads.AdView
android:id="@+id/adView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:adSize="BANNER"
app:adUnitId="@string/app_id" />
<androidx.viewpager.widget.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</androidx.viewpager.widget.ViewPager>
</LinearLayout>

9
app/src/main/res/layout/file_dir_chooser.xml Executable file
View File

@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/aaa"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
tools:context=".filedirchooser.FileDirChooser" />

17
app/src/main/res/layout/file_dir_item.xml Executable file
View File

@ -0,0 +1,17 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/fileDirImage"
android:layout_width="50dp"
android:layout_height="50dp" />
<TextView
android:id="@+id/fileDirText"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>

226
app/src/main/res/layout/file_en_decrypt.xml Executable file
View File

@ -0,0 +1,226 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/textEnDecryptFrameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:visibility="visible"
tools:context=".TextEnDecrypt">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/fileEnDecryptHeaderText"
android:layout_width="300dp"
android:layout_height="32dp"
android:layout_centerInParent="true"
android:gravity="center"
android:text="@string/file_en_decrypt_headline"
android:textColor="#000000"
android:textSize="18sp"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0"
tools:ignore="MissingConstraints" />
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/fileEnDecryptKeyLayout"
android:layout_width="308dp"
android:layout_height="65dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.504"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptHeaderText"
app:layout_constraintVertical_bias="0.0"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/fileEnDecryptKeyEntry"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/key_hint"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<Button
android:id="@+id/fileEnDecryptChooseFiles"
android:layout_width="209dp"
android:layout_height="43dp"
android:background="@drawable/choose_files_style"
android:gravity="center"
android:onClick="fileEnDecryptChooseFiles"
android:text="@string/choose_files_text"
app:layout_constraintBottom_toTopOf="@+id/fileEnDecryptFileBox"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptKeyLayout" />
<ListView
android:id="@+id/fileEnDecryptFileBox"
android:layout_width="match_parent"
android:layout_height="270dp"
android:layout_marginTop="3dp"
android:background="@drawable/file_box_style"
app:layout_constraintBottom_toTopOf="@+id/fileEnDecryptAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.35" />
<Button
android:id="@+id/fileEnDecryptCancelButton"
android:layout_width="wrap_content"
android:layout_height="43dp"
android:background="@drawable/cancel_button_style"
android:onClick="cancelEnDecryptFileButton"
android:text="@string/cancel_text"
app:layout_constraintBottom_toTopOf="@+id/fileEnDecryptAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.504"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptProgressBar" />
<Button
android:id="@+id/fileEnDecryptEncryptButton"
android:layout_width="125dp"
android:layout_height="43dp"
android:background="@drawable/round_button_style"
android:onClick="encryptFileButton"
android:text="@string/text_en_decrypt_encrypt_button_text"
app:layout_constraintBottom_toTopOf="@+id/fileEnDecryptAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.055"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptFileBox"
app:layout_constraintVertical_bias="0.288" />
<ProgressBar
android:id="@+id/fileEnDecryptProgressBar"
style="@style/Widget.AppCompat.ProgressBar"
android:layout_width="50dp"
android:layout_height="45dp"
android:visibility="invisible"
app:layout_constraintBottom_toTopOf="@+id/fileEnDecryptAdvancedText"
app:layout_constraintEnd_toStartOf="@+id/fileEnDecryptDecryptButton"
app:layout_constraintHorizontal_bias="0.493"
app:layout_constraintStart_toEndOf="@+id/fileEnDecryptEncryptButton"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptFileBox"
app:layout_constraintVertical_bias="0.29000002" />
<Button
android:id="@+id/fileEnDecryptDecryptButton"
android:layout_width="125dp"
android:layout_height="43dp"
android:background="@drawable/round_button_style"
android:onClick="decryptFileButton"
android:text="@string/text_en_decrypt_decrypt_button_text"
app:layout_constraintBottom_toTopOf="@+id/fileEnDecryptAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.944"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptFileBox"
app:layout_constraintVertical_bias="0.288" />
<View
android:id="@+id/fileEnDecryptSeparator1"
android:layout_width="130dp"
android:layout_height="1dp"
android:background="@android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<TextView
android:id="@+id/fileEnDecryptAdvancedText"
android:layout_width="85dp"
android:layout_height="wrap_content"
android:layout_marginTop="18dp"
android:gravity="center"
android:text="@string/advanced_text"
android:textColor="#000000"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/fileEnDecryptSeparator2"
app:layout_constraintStart_toEndOf="@+id/fileEnDecryptSeparator1"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<View
android:id="@+id/fileEnDecryptSeparator2"
android:layout_width="130dp"
android:layout_height="1dp"
android:background="@android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/fileEnDecryptSaltLayout"
android:layout_width="140dp"
android:layout_height="69dp"
android:layout_marginTop="2dp"
android:layout_marginEnd="20dp"
android:layout_marginRight="20dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.06"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptAdvancedText"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/fileEnDecryptSaltEntry"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/salt_hint"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<TextView
android:id="@+id/fileEnDecryptAlgorithmText"
android:layout_width="109dp"
android:layout_height="29dp"
android:gravity="center"
android:text="@string/algorithm_text"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.84"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptAdvancedText"
app:layout_constraintVertical_bias="0.135" />
<Spinner
android:id="@+id/fileEnDecryptAlgorithm"
android:layout_width="160dp"
android:layout_height="34dp"
android:layout_marginTop="12dp"
android:background="@drawable/spinner_style"
android:spinnerMode="dropdown"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.93"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileEnDecryptAlgorithmText"
app:layout_constraintVertical_bias="0.0">
</Spinner>
</androidx.constraintlayout.widget.ConstraintLayout>
</LinearLayout>

179
app/src/main/res/layout/secure_delete_files.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/textEnDecryptFrameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:visibility="visible"
tools:context=".TextEnDecrypt">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/fileDeleteHeaderText"
android:layout_width="300dp"
android:layout_height="32dp"
android:layout_centerInParent="true"
android:gravity="center"
android:text="@string/secure_delete_files_headline"
android:textColor="#000000"
android:textSize="18sp"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0"
tools:ignore="MissingConstraints" />
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/fileDeleteKeyLayout"
android:layout_width="308dp"
android:layout_height="65dp"
android:visibility="invisible"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteHeaderText"
app:layout_constraintVertical_bias="0.0"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/key_hint"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<Button
android:id="@+id/fileDeleteChooseFiles"
android:layout_width="209dp"
android:layout_height="43dp"
android:background="@drawable/choose_files_style"
android:gravity="center"
android:onClick="fileDeleteChooseFiles"
android:text="@string/choose_files_text"
app:layout_constraintBottom_toTopOf="@+id/fileDeleteFileBox"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteHeaderText" />
<ListView
android:id="@+id/fileDeleteFileBox"
android:layout_width="match_parent"
android:layout_height="350dp"
android:background="@drawable/file_box_style"
app:layout_constraintBottom_toTopOf="@+id/fileDeleteAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteKeyLayout"
app:layout_constraintVertical_bias="0.133" />
<Button
android:id="@+id/fileDeleteDeleteButton"
android:layout_width="125dp"
android:layout_height="43dp"
android:background="@drawable/round_button_style"
android:onClick="deleteFileButton"
android:text="@string/delete_text"
app:layout_constraintBottom_toTopOf="@+id/fileDeleteAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.055"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteFileBox"
app:layout_constraintVertical_bias="0.56" />
<ProgressBar
android:id="@+id/fileDeleteProgressBar"
style="@style/Widget.AppCompat.ProgressBar"
android:layout_width="50dp"
android:layout_height="45dp"
android:visibility="invisible"
app:layout_constraintBottom_toTopOf="@+id/fileDeleteAdvancedText"
app:layout_constraintEnd_toStartOf="@+id/fileDeleteCancelButton"
app:layout_constraintStart_toEndOf="@+id/fileDeleteDeleteButton"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteFileBox"
app:layout_constraintVertical_bias="0.575" />
<Button
android:id="@+id/fileDeleteCancelButton"
android:layout_width="125dp"
android:layout_height="43dp"
android:background="@drawable/cancel_button_style"
android:onClick="cancelDeleteFileButton"
android:text="@string/cancel_text"
app:layout_constraintBottom_toTopOf="@+id/fileDeleteAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.944"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteFileBox"
app:layout_constraintVertical_bias="0.56" />
<View
android:id="@+id/fileDeleteSeparator1"
android:layout_width="130dp"
android:layout_height="1dp"
android:background="@android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="@+id/fileDeleteSeparator2"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<TextView
android:id="@+id/fileDeleteAdvancedText"
android:layout_width="85dp"
android:layout_height="wrap_content"
android:layout_marginTop="18dp"
android:gravity="center"
android:text="@string/advanced_text"
android:textColor="#000000"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/fileDeleteSeparator2"
app:layout_constraintStart_toEndOf="@+id/fileDeleteSeparator1"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<View
android:id="@+id/fileDeleteSeparator2"
android:layout_width="130dp"
android:layout_height="1dp"
android:background="@android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/fileDeleteIterationsLayout"
android:layout_width="184dp"
android:layout_height="69dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileDeleteAdvancedText"
app:layout_constraintVertical_bias="0.517"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/fileDeleteIterationsEntry"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/iterations_hint"
android:inputType="number"
android:text="5" />
</com.google.android.material.textfield.TextInputLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
</LinearLayout>

27
app/src/main/res/layout/selected_file_dirs_item.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/fileImage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/audio_file" />
<TextView
android:id="@+id/fileName"
android:layout_width="110dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.498"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/fileImage" />
</androidx.constraintlayout.widget.ConstraintLayout>

218
app/src/main/res/layout/text_en_decrypt.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/textEnDecryptFrameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:visibility="visible"
tools:context=".TextEnDecrypt">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/textEnDecryptLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/textEnDecryptHeaderText"
android:layout_width="300dp"
android:layout_height="32dp"
android:layout_centerInParent="true"
android:gravity="center"
android:text="@string/text_en_decrypt_headline"
android:textColor="#000000"
android:textSize="18sp"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0"
tools:ignore="MissingConstraints" />
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/textEnDecryptKeyLayout"
android:layout_width="308dp"
android:layout_height="65dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.504"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptHeaderText"
app:layout_constraintVertical_bias="0.0"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/textEnDecryptKeyEntry"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/key_hint"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<EditText
android:id="@+id/textEnDecryptDecryptedText"
android:layout_width="match_parent"
android:layout_height="185dp"
android:background="@drawable/decrypt_border_style"
android:gravity="top"
android:hint="@string/text_en_decrypt_decrypted_text_hint"
android:inputType="text|textMultiLine"
android:visibility="visible"
app:autoSizeTextType="uniform"
app:layout_constraintBottom_toTopOf="@+id/textEnDecryptAdvancedText"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.073"
tools:layout_editor_absoluteX="0dp" />
<EditText
android:id="@+id/textEnDecryptEncryptedText"
android:layout_width="match_parent"
android:layout_height="185dp"
android:width="165dp"
android:background="@drawable/encrypt_border_style"
android:gravity="top"
android:hint="@string/text_en_decrypt_encrypted_text_hint"
android:inputType="text|textMultiLine"
android:visibility="visible"
app:autoSizeTextType="uniform"
app:layout_constraintBottom_toTopOf="@+id/textEnDecryptAdvancedText"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptDecryptedText"
app:layout_constraintVertical_bias="0.17000002"
tools:layout_editor_absoluteX="1dp" />
<Button
android:id="@+id/textEnDecryptEncryptButton"
android:layout_width="125dp"
android:layout_height="40dp"
android:background="@drawable/round_button_style"
android:onClick="encryptTextButton"
android:text="@string/text_en_decrypt_encrypt_button_text"
app:layout_constraintBottom_toTopOf="@+id/textEnDecryptAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.053"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptEncryptedText"
app:layout_constraintVertical_bias="0.538" />
<ProgressBar
android:id="@+id/textEnDecryptProgressBar"
style="@style/Widget.AppCompat.ProgressBar"
android:layout_width="50dp"
android:layout_height="45dp"
android:visibility="invisible"
app:layout_constraintBottom_toTopOf="@+id/textEnDecryptAdvancedText"
app:layout_constraintEnd_toStartOf="@+id/textEnDecryptDecryptButton"
app:layout_constraintStart_toEndOf="@+id/textEnDecryptEncryptButton"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptEncryptedText"
app:layout_constraintVertical_bias="0.58000004" />
<Button
android:id="@+id/textEnDecryptDecryptButton"
android:layout_width="125dp"
android:layout_height="40dp"
android:background="@drawable/round_button_style"
android:onClick="decryptTextButton"
android:text="@string/text_en_decrypt_decrypt_button_text"
app:layout_constraintBottom_toTopOf="@+id/textEnDecryptAdvancedText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.946"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptEncryptedText"
app:layout_constraintVertical_bias="0.538" />
<View
android:id="@+id/textEnDecryptSeparator1"
android:layout_width="130dp"
android:layout_height="1dp"
android:background="@android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<TextView
android:id="@+id/textEnDecryptAdvancedText"
android:layout_width="85dp"
android:layout_height="wrap_content"
android:layout_marginTop="18dp"
android:gravity="center"
android:text="@string/advanced_text"
android:textColor="#000000"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/textEnDecryptSeparator2"
app:layout_constraintStart_toEndOf="@+id/textEnDecryptSeparator1"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<View
android:id="@+id/textEnDecryptSeparator2"
android:layout_width="130dp"
android:layout_height="1dp"
android:background="@android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptKeyLayout"
app:layout_constraintVertical_bias="0.79" />
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/textEnDecryptSaltLayout"
android:layout_width="140dp"
android:layout_height="69dp"
android:layout_marginTop="2dp"
android:layout_marginEnd="20dp"
android:layout_marginRight="20dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.06"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptAdvancedText"
app:passwordToggleEnabled="true">
<com.google.android.material.textfield.TextInputEditText
android:id="@+id/textEnDecryptSaltEntry"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/salt_hint"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<TextView
android:id="@+id/textEnDecryptAlgorithmText"
android:layout_width="109dp"
android:layout_height="29dp"
android:gravity="center"
android:text="@string/algorithm_text"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.84"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptAdvancedText"
app:layout_constraintVertical_bias="0.135" />
<Spinner
android:id="@+id/textEnDecryptAlgorithms"
android:layout_width="160dp"
android:layout_height="34dp"
android:layout_marginTop="12dp"
android:background="@drawable/spinner_style"
android:spinnerMode="dropdown"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.93"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textEnDecryptAlgorithmText"
app:layout_constraintVertical_bias="0.0">
</Spinner>
</androidx.constraintlayout.widget.ConstraintLayout>
</LinearLayout>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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app/src/main/res/mipmap-hdpi/ic_launcher.png Executable file
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app/src/main/res/mipmap-hdpi/ic_launcher_round.png Executable file
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app/src/main/res/mipmap-mdpi/cryptogx_icon_android.png Executable file
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app/src/main/res/mipmap-xhdpi/ic_launcher.png Executable file
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app/src/main/res/mipmap-xxhdpi/ic_launcher.png Executable file
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app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png Executable file
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app/src/main/res/mipmap-xxxhdpi/ic_launcher.png Executable file
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27
app/src/main/res/values-de/strings.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="text_en_decrypt_headline">Text ent- / verschlüsseln</string>
<string name="file_en_decrypt_headline">Dateien ent- / verschlüsseln</string>
<string name="secure_delete_files_headline">Dateien sicher löschen</string>
<string name="key_hint">Schlüssel</string>
<string name="show_text_en_decrypt_key">Schlüssel anzeigen</string>
<string name="text_en_decrypt_encrypted_text_hint">Verschlüsselter Text</string>
<string name="text_en_decrypt_decrypted_text_hint">Entschlüsselter Text</string>
<string name="text_en_decrypt_encrypt_button_text">Verschlüsseln</string>
<string name="text_en_decrypt_decrypt_button_text">Entschlüsseln</string>
<string name="advanced_text">Erweitert</string>
<string name="algorithm_text">Algorithmus</string>
<string name="salt_hint">Salt</string>
<string name="file_en_decrypt_choose_files">Dateien auswählen...</string>
<string name="cancel_text">Stoppen</string>
<string name="choose_files_text">Dateien auswählen...</string>
<string name="iterations_hint">Wiederholungen</string>
<string name="delete_text">Löschen</string>
<string name="empty_key">Leerer Schlüssel wurde gegeben</string>
<string name="empty_encrypted_text">Leerer verschlüsselter Text wurde gegeben</string>
<string name="output_file_hint">Ausgabe Datei</string>
<string name="could_not_create_folder">"Ordner konnte nicht erstellt werden: "</string>
<string name="no_file_path">Pfad der Datei konnte nicht gefunden werden:</string>
<string name="empty_iterations">Keine Wiederholungen gegeben</string>
<string name="wrong_iterations">Falsche Wiederholungen gegeben</string>
</resources>

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app/src/main/res/values-en/strings.xml Executable file
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<resources>
<string name="text_en_decrypt_headline">En- / decrypt text</string>
<string name="file_en_decrypt_headline">En- / decrypt files</string>
<string name="secure_delete_files_headline">Secure delete files</string>
<string name="key_hint">Key</string>
<string name="show_text_en_decrypt_key">Show key</string>
<string name="text_en_decrypt_encrypted_text_hint">Encrypted text</string>
<string name="text_en_decrypt_decrypted_text_hint">Decrypted text</string>
<string name="text_en_decrypt_encrypt_button_text">Encrypt</string>
<string name="text_en_decrypt_decrypt_button_text">Decrypt</string>
<string name="advanced_text">Advanced</string>
<string name="algorithm_text">Algorithm</string>
<string name="salt_hint">Salt</string>
<string name="file_en_decrypt_choose_files">Choose files...</string>
<string name="cancel_text">Cancel</string>
<string name="choose_files_text">Choose files...</string>
<string name="iterations_hint">Iterations</string>
<string name="delete_text">Delete</string>
<string name="empty_key">Empty key is given</string>
<string name="empty_encrypted_text">Empty encrypted text is given</string>
<string name="output_file_hint">Output file</string>
<string name="could_not_create_folder">Couldn\'t create folder:</string>
<string name="no_file_path">Couldn\'t get path from file:</string>
<string name="empty_iterations">No iterations are given</string>
<string name="wrong_iterations">Wrong iterations are given</string>
</resources>

6
app/src/main/res/values/colors.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#6200EE</color>
<color name="colorPrimaryDark">#3700B3</color>
<color name="colorAccent">#03DAC5</color>
</resources>

33
app/src/main/res/values/strings.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name" translatable="false">cryptoGX</string>
<!-- Sample AdMob App ID: ca-app-pub-3940256099942544~3347511713 -->
<!-- ca-app-pub-8690297592769912~2837426184-->
<string name="app_id" translatable="false">ca-app-pub-8690297592769912~2837426184</string>
<string name="text_en_decrypt_headline">En- / decrypt text</string>
<string name="file_en_decrypt_headline">En- / decrypt files</string>
<string name="secure_delete_files_headline">Secure delete files</string>
<string name="key_hint">Key</string>
<string name="show_text_en_decrypt_key">Show key</string>
<string name="text_en_decrypt_encrypted_text_hint">Encrypted text</string>
<string name="text_en_decrypt_decrypted_text_hint">Decrypted text</string>
<string name="text_en_decrypt_encrypt_button_text">Encrypt</string>
<string name="text_en_decrypt_decrypt_button_text">Decrypt</string>
<string name="advanced_text">Advanced</string>
<string name="algorithm_text">Algortihm</string>
<string name="salt_hint">Salt</string>
<string name="file_en_decrypt_choose_files">Choose files...</string>
<string name="cancel_text">Cancel</string>
<string name="choose_files_text">Choose files...</string>
<string name="iterations_hint">Iterations</string>
<string name="delete_text">Delete</string>
<string name="empty_key">Empty key is given</string>
<string name="empty_encrypted_text">Empty encrypted text is given</string>
<string name="output_file_hint">Output file</string>
<string name="could_not_create_folder">Couldn\'t create folder:</string>
<string name="no_file_path">Couldn\'t get path from file:</string>
<string name="empty_iterations">Empty iterations are given</string>
<string name="wrong_iterations">Wrong iterations are given</string>
</resources>

17
app/src/main/res/values/styles.xml Executable file
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<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
<style name="AppTheme.NoActionBar" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:windowFullscreen">true</item>
</style>
</resources>

17
app/src/test/java/org/blueshard/android/cryptogx/ExampleUnitTest.java Executable file
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package org.blueshard.android.cryptogx;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Example local unit test, which will execute on the development machine (host).
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() {
assertEquals(4, 2 + 2);
}
}

29
build.gradle Executable file
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// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:4.0.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}

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cryptoGX_mobile_key.jks Executable file
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20
gradle.properties Executable file
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# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs=-Xmx1536m
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true
# AndroidX package structure to make it clearer which packages are bundled with the
# Android operating system, and which are packaged with your app's APK
# https://developer.android.com/topic/libraries/support-library/androidx-rn
android.useAndroidX=true
# Automatically convert third-party libraries to use AndroidX
android.enableJetifier=true

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gradle/wrapper/gradle-wrapper.jar vendored Executable file
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6
gradle/wrapper/gradle-wrapper.properties vendored Executable file
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#Sun Jun 28 20:31:48 CEST 2020
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip

172
gradlew vendored Executable file
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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

84
gradlew.bat vendored Executable file
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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

2
password Executable file
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Key store password: Bv=D+P24a(\W{pNzhjj&
Key password: %jMB97_xN'7n[wGP5S~b

2
settings.gradle Executable file
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rootProject.name='cryptoGX'
include ':app'