├── .gitignore ├── .idea ├── .gitignore ├── compiler.xml ├── deploymentTargetDropDown.xml ├── gradle.xml ├── inspectionProfiles │ └── Project_Default.xml └── misc.xml ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── plcoding │ │ └── androidcrypto │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── plcoding │ │ │ └── androidcrypto │ │ │ ├── CryptoManager.kt │ │ │ ├── MainActivity.kt │ │ │ ├── UserSettings.kt │ │ │ ├── UserSettingsSerializer.kt │ │ │ └── ui │ │ │ └── theme │ │ │ ├── Color.kt │ │ │ ├── Shape.kt │ │ │ ├── Theme.kt │ │ │ └── Type.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── themes.xml │ │ └── xml │ │ ├── backup_rules.xml │ │ └── data_extraction_rules.xml │ └── test │ └── java │ └── com │ └── plcoding │ └── androidcrypto │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/caches 5 | /.idea/libraries 6 | /.idea/modules.xml 7 | /.idea/workspace.xml 8 | /.idea/navEditor.xml 9 | /.idea/assetWizardSettings.xml 10 | .DS_Store 11 | /build 12 | /captures 13 | .externalNativeBuild 14 | .cxx 15 | local.properties 16 | -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/deploymentTargetDropDown.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 23 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'com.android.application' 3 | id 'org.jetbrains.kotlin.android' 4 | id 'org.jetbrains.kotlin.plugin.serialization' 5 | } 6 | 7 | android { 8 | compileSdk 32 9 | 10 | defaultConfig { 11 | applicationId "com.plcoding.androidcrypto" 12 | minSdk 21 13 | targetSdk 32 14 | versionCode 1 15 | versionName "1.0" 16 | 17 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 18 | vectorDrawables { 19 | useSupportLibrary true 20 | } 21 | } 22 | 23 | buildTypes { 24 | release { 25 | minifyEnabled false 26 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 27 | } 28 | } 29 | compileOptions { 30 | sourceCompatibility JavaVersion.VERSION_1_8 31 | targetCompatibility JavaVersion.VERSION_1_8 32 | } 33 | kotlinOptions { 34 | jvmTarget = '1.8' 35 | } 36 | buildFeatures { 37 | compose true 38 | } 39 | composeOptions { 40 | kotlinCompilerExtensionVersion compose_version 41 | } 42 | packagingOptions { 43 | resources { 44 | excludes += '/META-INF/{AL2.0,LGPL2.1}' 45 | } 46 | } 47 | } 48 | 49 | dependencies { 50 | 51 | implementation 'androidx.core:core-ktx:1.7.0' 52 | implementation "androidx.compose.ui:ui:$compose_version" 53 | implementation "androidx.compose.material:material:$compose_version" 54 | implementation "androidx.compose.ui:ui-tooling-preview:$compose_version" 55 | implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1' 56 | implementation 'androidx.activity:activity-compose:1.3.1' 57 | testImplementation 'junit:junit:4.13.2' 58 | androidTestImplementation 'androidx.test.ext:junit:1.1.3' 59 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0' 60 | androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version" 61 | debugImplementation "androidx.compose.ui:ui-tooling:$compose_version" 62 | debugImplementation "androidx.compose.ui:ui-test-manifest:$compose_version" 63 | 64 | implementation "androidx.datastore:datastore-preferences:1.0.0" 65 | implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2' 66 | } -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile -------------------------------------------------------------------------------- /app/src/androidTest/java/com/plcoding/androidcrypto/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("com.plcoding.androidcrypto", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 16 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/CryptoManager.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto 2 | 3 | import android.os.Build 4 | import android.security.keystore.KeyGenParameterSpec 5 | import android.security.keystore.KeyProperties 6 | import androidx.annotation.RequiresApi 7 | import java.io.InputStream 8 | import java.io.OutputStream 9 | import java.security.KeyStore 10 | import javax.crypto.Cipher 11 | import javax.crypto.KeyGenerator 12 | import javax.crypto.SecretKey 13 | import javax.crypto.spec.IvParameterSpec 14 | 15 | @RequiresApi(Build.VERSION_CODES.M) 16 | class CryptoManager { 17 | 18 | private val keyStore = KeyStore.getInstance("AndroidKeyStore").apply { 19 | load(null) 20 | } 21 | 22 | private val encryptCipher get() = Cipher.getInstance(TRANSFORMATION).apply { 23 | init(Cipher.ENCRYPT_MODE, getKey()) 24 | } 25 | 26 | private fun getDecryptCipherForIv(iv: ByteArray): Cipher { 27 | return Cipher.getInstance(TRANSFORMATION).apply { 28 | init(Cipher.DECRYPT_MODE, getKey(), IvParameterSpec(iv)) 29 | } 30 | } 31 | 32 | private fun getKey(): SecretKey { 33 | val existingKey = keyStore.getEntry("secret", null) as? KeyStore.SecretKeyEntry 34 | return existingKey?.secretKey ?: createKey() 35 | } 36 | 37 | private fun createKey(): SecretKey { 38 | return KeyGenerator.getInstance(ALGORITHM).apply { 39 | init( 40 | KeyGenParameterSpec.Builder( 41 | "secret", 42 | KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT 43 | ) 44 | .setBlockModes(BLOCK_MODE) 45 | .setEncryptionPaddings(PADDING) 46 | .setUserAuthenticationRequired(false) 47 | .setRandomizedEncryptionRequired(true) 48 | .build() 49 | ) 50 | }.generateKey() 51 | } 52 | 53 | fun encrypt(bytes: ByteArray, outputStream: OutputStream): ByteArray { 54 | val encryptedBytes = encryptCipher.doFinal(bytes) 55 | outputStream.use { 56 | it.write(encryptCipher.iv.size) 57 | it.write(encryptCipher.iv) 58 | it.write(encryptedBytes.size) 59 | it.write(encryptedBytes) 60 | } 61 | return encryptedBytes 62 | } 63 | 64 | fun decrypt(inputStream: InputStream): ByteArray { 65 | return inputStream.use { 66 | val ivSize = it.read() 67 | val iv = ByteArray(ivSize) 68 | it.read(iv) 69 | 70 | val encryptedBytesSize = it.read() 71 | val encryptedBytes = ByteArray(encryptedBytesSize) 72 | it.read(encryptedBytes) 73 | 74 | getDecryptCipherForIv(iv).doFinal(encryptedBytes) 75 | } 76 | } 77 | 78 | companion object { 79 | private const val ALGORITHM = KeyProperties.KEY_ALGORITHM_AES 80 | private const val BLOCK_MODE = KeyProperties.BLOCK_MODE_CBC 81 | private const val PADDING = KeyProperties.ENCRYPTION_PADDING_PKCS7 82 | private const val TRANSFORMATION = "$ALGORITHM/$BLOCK_MODE/$PADDING" 83 | } 84 | 85 | } -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto 2 | 3 | import android.content.Context 4 | import android.os.Build 5 | import android.os.Bundle 6 | import androidx.activity.ComponentActivity 7 | import androidx.activity.compose.setContent 8 | import androidx.annotation.RequiresApi 9 | import androidx.compose.foundation.layout.* 10 | import androidx.compose.material.* 11 | import androidx.compose.runtime.* 12 | import androidx.compose.ui.Modifier 13 | import androidx.compose.ui.tooling.preview.Preview 14 | import androidx.compose.ui.unit.dp 15 | import androidx.datastore.dataStore 16 | import com.plcoding.androidcrypto.ui.theme.AndroidCryptoTheme 17 | import kotlinx.coroutines.flow.first 18 | import kotlinx.coroutines.launch 19 | import java.io.File 20 | import java.io.FileInputStream 21 | import java.io.FileOutputStream 22 | 23 | @RequiresApi(Build.VERSION_CODES.M) 24 | class MainActivity : ComponentActivity() { 25 | 26 | private val Context.dataStore by dataStore( 27 | fileName = "user-settings.json", 28 | serializer = UserSettingsSerializer(CryptoManager()) 29 | ) 30 | 31 | override fun onCreate(savedInstanceState: Bundle?) { 32 | super.onCreate(savedInstanceState) 33 | setContent { 34 | AndroidCryptoTheme { 35 | var username by remember { 36 | mutableStateOf("") 37 | } 38 | var password by remember { 39 | mutableStateOf("") 40 | } 41 | var settings by remember { 42 | mutableStateOf(UserSettings()) 43 | } 44 | val scope = rememberCoroutineScope() 45 | Column( 46 | modifier = Modifier 47 | .fillMaxSize() 48 | .padding(32.dp) 49 | ) { 50 | TextField( 51 | value = username, 52 | onValueChange = { username = it }, 53 | modifier = Modifier.fillMaxWidth(), 54 | placeholder = { Text(text = "Username") } 55 | ) 56 | Spacer(modifier = Modifier.height(8.dp)) 57 | TextField( 58 | value = password, 59 | onValueChange = { password = it }, 60 | modifier = Modifier.fillMaxWidth(), 61 | placeholder = { Text(text = "Password") } 62 | ) 63 | Spacer(modifier = Modifier.height(8.dp)) 64 | Row { 65 | Button(onClick = { 66 | scope.launch { 67 | dataStore.updateData { 68 | UserSettings( 69 | username = username, 70 | password = password 71 | ) 72 | } 73 | } 74 | }) { 75 | Text(text = "Save") 76 | } 77 | Spacer(modifier = Modifier.width(8.dp)) 78 | Button(onClick = { 79 | scope.launch { 80 | settings = dataStore.data.first() 81 | } 82 | }) { 83 | Text(text = "Load") 84 | } 85 | } 86 | Text(text = settings.toString()) 87 | } 88 | } 89 | } 90 | } 91 | } 92 | -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/UserSettings.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto 2 | 3 | import kotlinx.serialization.Serializable 4 | 5 | @Serializable 6 | data class UserSettings( 7 | val username: String? = null, 8 | val password: String? = null 9 | ) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/UserSettingsSerializer.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto 2 | 3 | import android.os.Build 4 | import androidx.annotation.RequiresApi 5 | import androidx.datastore.core.Serializer 6 | import kotlinx.serialization.SerializationException 7 | import kotlinx.serialization.decodeFromString 8 | import kotlinx.serialization.encodeToString 9 | import kotlinx.serialization.json.Json 10 | import java.io.InputStream 11 | import java.io.OutputStream 12 | 13 | @RequiresApi(Build.VERSION_CODES.M) 14 | class UserSettingsSerializer( 15 | private val cryptoManager: CryptoManager 16 | ) : Serializer { 17 | 18 | override val defaultValue: UserSettings 19 | get() = UserSettings() 20 | 21 | override suspend fun readFrom(input: InputStream): UserSettings { 22 | val decryptedBytes = cryptoManager.decrypt(input) 23 | return try { 24 | Json.decodeFromString( 25 | deserializer = UserSettings.serializer(), 26 | string = decryptedBytes.decodeToString() 27 | ) 28 | } catch(e: SerializationException) { 29 | e.printStackTrace() 30 | defaultValue 31 | } 32 | } 33 | 34 | override suspend fun writeTo(t: UserSettings, output: OutputStream) { 35 | cryptoManager.encrypt( 36 | bytes = Json.encodeToString( 37 | serializer = UserSettings.serializer(), 38 | value = t 39 | ).encodeToByteArray(), 40 | outputStream = output 41 | ) 42 | } 43 | } -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/ui/theme/Color.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto.ui.theme 2 | 3 | import androidx.compose.ui.graphics.Color 4 | 5 | val Purple200 = Color(0xFFBB86FC) 6 | val Purple500 = Color(0xFF6200EE) 7 | val Purple700 = Color(0xFF3700B3) 8 | val Teal200 = Color(0xFF03DAC5) -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/ui/theme/Shape.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto.ui.theme 2 | 3 | import androidx.compose.foundation.shape.RoundedCornerShape 4 | import androidx.compose.material.Shapes 5 | import androidx.compose.ui.unit.dp 6 | 7 | val Shapes = Shapes( 8 | small = RoundedCornerShape(4.dp), 9 | medium = RoundedCornerShape(4.dp), 10 | large = RoundedCornerShape(0.dp) 11 | ) -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/ui/theme/Theme.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto.ui.theme 2 | 3 | import androidx.compose.foundation.isSystemInDarkTheme 4 | import androidx.compose.material.MaterialTheme 5 | import androidx.compose.material.darkColors 6 | import androidx.compose.material.lightColors 7 | import androidx.compose.runtime.Composable 8 | 9 | private val DarkColorPalette = darkColors( 10 | primary = Purple200, 11 | primaryVariant = Purple700, 12 | secondary = Teal200 13 | ) 14 | 15 | private val LightColorPalette = lightColors( 16 | primary = Purple500, 17 | primaryVariant = Purple700, 18 | secondary = Teal200 19 | 20 | /* Other default colors to override 21 | background = Color.White, 22 | surface = Color.White, 23 | onPrimary = Color.White, 24 | onSecondary = Color.Black, 25 | onBackground = Color.Black, 26 | onSurface = Color.Black, 27 | */ 28 | ) 29 | 30 | @Composable 31 | fun AndroidCryptoTheme( 32 | darkTheme: Boolean = isSystemInDarkTheme(), 33 | content: @Composable () -> Unit 34 | ) { 35 | val colors = if (darkTheme) { 36 | DarkColorPalette 37 | } else { 38 | LightColorPalette 39 | } 40 | 41 | MaterialTheme( 42 | colors = colors, 43 | typography = Typography, 44 | shapes = Shapes, 45 | content = content 46 | ) 47 | } -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/androidcrypto/ui/theme/Type.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto.ui.theme 2 | 3 | import androidx.compose.material.Typography 4 | import androidx.compose.ui.text.TextStyle 5 | import androidx.compose.ui.text.font.FontFamily 6 | import androidx.compose.ui.text.font.FontWeight 7 | import androidx.compose.ui.unit.sp 8 | 9 | // Set of Material typography styles to start with 10 | val Typography = Typography( 11 | body1 = TextStyle( 12 | fontFamily = FontFamily.Default, 13 | fontWeight = FontWeight.Normal, 14 | fontSize = 16.sp 15 | ) 16 | /* Other default text styles to override 17 | button = TextStyle( 18 | fontFamily = FontFamily.Default, 19 | fontWeight = FontWeight.W500, 20 | fontSize = 14.sp 21 | ), 22 | caption = TextStyle( 23 | fontFamily = FontFamily.Default, 24 | fontWeight = FontWeight.Normal, 25 | fontSize = 12.sp 26 | ) 27 | */ 28 | ) -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: 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/app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #FFBB86FC 4 | #FF6200EE 5 | #FF3700B3 6 | #FF03DAC5 7 | #FF018786 8 | #FF000000 9 | #FFFFFFFF 10 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | AndroidCrypto 3 | -------------------------------------------------------------------------------- /app/src/main/res/values/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/xml/backup_rules.xml: -------------------------------------------------------------------------------- 1 | 8 | 9 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/xml/data_extraction_rules.xml: -------------------------------------------------------------------------------- 1 | 6 | 7 | 8 | 12 | 13 | 19 | -------------------------------------------------------------------------------- /app/src/test/java/com/plcoding/androidcrypto/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.androidcrypto 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext { 3 | compose_version = '1.2.0' 4 | } 5 | dependencies { 6 | classpath "org.jetbrains.kotlin:kotlin-serialization:1.7.0" 7 | } 8 | }// Top-level build file where you can add configuration options common to all sub-projects/modules. 9 | plugins { 10 | id 'com.android.application' version '7.2.2' apply false 11 | id 'com.android.library' version '7.2.2' apply false 12 | id 'org.jetbrains.kotlin.android' version '1.7.0' apply false 13 | } 14 | 15 | task clean(type: Delete) { 16 | delete rootProject.buildDir 17 | } -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app"s APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Kotlin code style for this project: "official" or "obsolete": 19 | kotlin.code.style=official 20 | # Enables namespacing of each library's R class so that its R class includes only the 21 | # resources declared in the library itself and none from the library's dependencies, 22 | # thereby reducing the size of the R class for that library 23 | android.nonTransitiveRClass=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/AndroidCrypto/606b50ae24814acdca3a4083a15a9fed1601e492/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sat Sep 03 21:40:33 CEST 2022 2 | distributionBase=GRADLE_USER_HOME 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | gradlePluginPortal() 4 | google() 5 | mavenCentral() 6 | } 7 | } 8 | dependencyResolutionManagement { 9 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) 10 | repositories { 11 | google() 12 | mavenCentral() 13 | } 14 | } 15 | rootProject.name = "AndroidCrypto" 16 | include ':app' 17 | --------------------------------------------------------------------------------