initial checkin
This commit is contained in:
Harald Hoyer
commit
4fd4949813
44 changed files with 1358 additions and 0 deletions
1
app/.gitignore
vendored
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1
app/.gitignore
vendored
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@ -0,0 +1 @@
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/build
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69
app/app.iml
Normal file
69
app/app.iml
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@ -0,0 +1,69 @@
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|||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="SecretShare" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
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<component name="FacetManager">
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<facet type="android-gradle" name="Android-Gradle">
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<configuration>
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<option name="GRADLE_PROJECT_PATH" value=":app" />
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</configuration>
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</facet>
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<facet type="android" name="Android">
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<configuration>
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<option name="SELECTED_BUILD_VARIANT" value="debug" />
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<option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
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<option name="COMPILE_JAVA_TASK_NAME" value="compileDebugJava" />
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<option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugTest" />
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||||
<option name="SOURCE_GEN_TASK_NAME" value="generateDebugSources" />
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<option name="ALLOW_USER_CONFIGURATION" value="false" />
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<option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
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<option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
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<option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res" />
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<option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
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</configuration>
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</facet>
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</component>
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<component name="NewModuleRootManager" inherit-compiler-output="false">
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<output url="file://$MODULE_DIR$/build/intermediates/classes/debug" />
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/test/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/test/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/test/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/test/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/test/debug" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/assets" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/assets" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates" />
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<excludeFolder url="file://$MODULE_DIR$/build/outputs" />
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</content>
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<orderEntry type="jdk" jdkName="Android API 20 Platform" jdkType="Android SDK" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" exported="" name="core-3.1.0" level="project" />
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<orderEntry type="library" exported="" name="miglayout-3.7.4" level="project" />
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<orderEntry type="library" exported="" name="secretshare-1.4.1" level="project" />
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</component>
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</module>
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46
app/build.gradle
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46
app/build.gradle
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apply plugin: 'com.android.application'
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apply plugin: 'maven'
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dependencies {
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compile 'com.tiemens:secretshare:1.4.1'
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compile 'com.google.zxing:core:3.1.0'
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}
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buildscript {
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repositories {
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mavenCentral()
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:0.12.1'
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}
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}
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allprojects {
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repositories {
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mavenCentral()
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}
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}
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android {
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compileSdkVersion 20
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buildToolsVersion "20.0.0"
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defaultConfig {
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applicationId "org.surfsite.android.secretshare"
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minSdkVersion 15
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targetSdkVersion 20
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versionCode 1
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versionName "1.0"
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}
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buildTypes {
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release {
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runProguard false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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compile fileTree(dir: 'libs', include: ['*.jar'])
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}
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17
app/proguard-rules.pro
vendored
Normal file
17
app/proguard-rules.pro
vendored
Normal file
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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in /Applications/Android Studio.app/sdk/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the proguardFiles
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# directive in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# Add any project specific keep options here:
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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@ -0,0 +1,13 @@
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package org.surfsite.android.secretshare;
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import android.app.Application;
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import android.test.ApplicationTestCase;
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/**
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* <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
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*/
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public class ApplicationTest extends ApplicationTestCase<Application> {
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public ApplicationTest() {
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super(Application.class);
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}
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}
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22
app/src/main/AndroidManifest.xml
Normal file
22
app/src/main/AndroidManifest.xml
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@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8"?>
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<manifest
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package="org.surfsite.android.secretshare"
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xmlns:android="http://schemas.android.com/apk/res/android">
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<application
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android:allowBackup="true"
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme">
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<activity
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android:name=".MainActivity"
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android:label="@string/app_name">
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<intent-filter>
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<action android:name="android.intent.action.MAIN"/>
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<category android:name="android.intent.category.LAUNCHER"/>
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</intent-filter>
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</activity>
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</application>
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</manifest>
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@ -0,0 +1,5 @@
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package org.surfsite.android.secretshare;
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public interface FragmentSupport {
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boolean mayBackPress();
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}
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@ -0,0 +1,288 @@
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package org.surfsite.android.secretshare;
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import android.app.Activity;
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import android.app.Fragment;
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import android.graphics.Bitmap;
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import android.graphics.Color;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.util.Base64;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.EncodeHintType;
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import com.google.zxing.WriterException;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.qrcode.QRCodeWriter;
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import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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import com.tiemens.secretshare.engine.SecretShare;
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import com.tiemens.secretshare.engine.SecretShare.ShareInfo;
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import java.io.UnsupportedEncodingException;
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import java.math.BigInteger;
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import java.nio.ByteBuffer;
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import java.util.Hashtable;
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import java.util.List;
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/**
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* A simple {@link Fragment} subclass.
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* Activities that contain this fragment must implement the
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* {@link GenerateFragment.OnFragmentInteractionListener} interface
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* to handle interaction events.
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* Use the {@link GenerateFragment#newInstance} factory method to
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* create an instance of this fragment.
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*/
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public class GenerateFragment extends Fragment implements FragmentSupport {
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private static final String ARG_N = "n";
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private static final String ARG_K = "k";
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private static final String ARG_CLEARTEXT = "cleartext";
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private final static QRCodeWriter sQRCodeWriter = new QRCodeWriter();
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private int n;
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private int k;
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private String cleartext;
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private GenerateSharesTask generateSharesTask = null;
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private OnFragmentInteractionListener mListener;
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public GenerateFragment() {
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// Required empty public constructor
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}
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/**
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* Use this factory method to create a new instance of
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* this fragment using the provided parameters.
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*
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* @param n number of secrets.
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* @param k number of needed secrets.
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* @param cleartext text to split.
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* @return A new instance of fragment GenerateFragment.
|
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*/
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public static GenerateFragment newInstance(int n, int k, String cleartext) {
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GenerateFragment fragment = new GenerateFragment();
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Bundle args = new Bundle();
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args.putInt(ARG_K, k);
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args.putInt(ARG_N, n);
|
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args.putString(ARG_CLEARTEXT, cleartext);
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fragment.setArguments(args);
|
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return fragment;
|
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}
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||||
|
||||
static BigInteger stringToBigInteger(String in) {
|
||||
BigInteger bigint;
|
||||
try {
|
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bigint = new BigInteger(in.getBytes("UTF-8"));
|
||||
} catch (UnsupportedEncodingException ex) {
|
||||
ex.printStackTrace();
|
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bigint = BigInteger.ZERO;
|
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}
|
||||
return bigint;
|
||||
}
|
||||
|
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@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
if (getArguments() != null) {
|
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n = getArguments().getInt(ARG_N);
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k = getArguments().getInt(ARG_K);
|
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cleartext = getArguments().getString(ARG_CLEARTEXT);
|
||||
}
|
||||
}
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|
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@Override
|
||||
public View onCreateView(LayoutInflater inflater, ViewGroup container,
|
||||
Bundle savedInstanceState) {
|
||||
// Inflate the layout for this fragment
|
||||
View rootView = inflater.inflate(R.layout.fragment_generate, container, false);
|
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return rootView;
|
||||
}
|
||||
|
||||
public void onButtonPressed(Uri uri) {
|
||||
if (mListener != null) {
|
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mListener.onFragmentInteraction(uri);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onAttach(Activity activity) {
|
||||
super.onAttach(activity);
|
||||
try {
|
||||
mListener = (OnFragmentInteractionListener) activity;
|
||||
} catch (ClassCastException e) {
|
||||
throw new ClassCastException(activity.toString()
|
||||
+ " must implement OnFragmentInteractionListener");
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onDetach() {
|
||||
super.onDetach();
|
||||
mListener = null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onStart() {
|
||||
super.onStart();
|
||||
if (generateSharesTask != null)
|
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generateSharesTask.cancel(true);
|
||||
|
||||
TextView tv = (TextView) getActivity().findViewById(R.id.generate_status);
|
||||
|
||||
generateSharesTask = new GenerateSharesTask(tv, n, k, cleartext);
|
||||
generateSharesTask.execute();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onStop() {
|
||||
if (generateSharesTask != null)
|
||||
generateSharesTask.cancel(false);
|
||||
generateSharesTask = null;
|
||||
super.onStop();
|
||||
}
|
||||
|
||||
public boolean mayBackPress() {
|
||||
if (generateSharesTask != null) {
|
||||
return generateSharesTask.isFinished();
|
||||
|
||||
// generateSharesTask.cancel(false);
|
||||
// generateSharesTask = null;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* This interface must be implemented by activities that contain this
|
||||
* fragment to allow an interaction in this fragment to be communicated
|
||||
* to the activity and potentially other fragments contained in that
|
||||
* activity.
|
||||
* <p/>
|
||||
* See the Android Training lesson <a href=
|
||||
* "http://developer.android.com/training/basics/fragments/communicating.html"
|
||||
* >Communicating with Other Fragments</a> for more information.
|
||||
*/
|
||||
public interface OnFragmentInteractionListener {
|
||||
public void onFragmentInteraction(Uri uri);
|
||||
}
|
||||
|
||||
private class GenerateSharesTask extends AsyncTask<Void, Void, Void> {
|
||||
private TextView tv;
|
||||
private List<SecretShare.ShareInfo> pieces;
|
||||
private int n;
|
||||
private int k;
|
||||
private String cleartext;
|
||||
private SecretShare.PublicInfo publicInfo;
|
||||
private boolean finished = false;
|
||||
|
||||
public GenerateSharesTask(TextView tv, int n, int k, String cleartext) {
|
||||
this.tv = tv;
|
||||
this.n = n;
|
||||
this.k = k;
|
||||
this.cleartext = cleartext;
|
||||
this.tv.setText("Generating shared secrets for " + cleartext.length()
|
||||
+ " chars. Please Wait. This can take a long time.");
|
||||
}
|
||||
|
||||
private Bitmap createBitmap(byte[] content, final int size) {
|
||||
final Hashtable<EncodeHintType, Object> hints =
|
||||
new Hashtable<EncodeHintType, Object>();
|
||||
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
|
||||
hints.put(EncodeHintType.CHARACTER_SET, "ISO-8859-1");
|
||||
BitMatrix result;
|
||||
|
||||
String data;
|
||||
try {
|
||||
data = new String(content, "ISO-8859-1");
|
||||
} catch (Exception ex) {
|
||||
ex.printStackTrace();
|
||||
data = new String(content);
|
||||
}
|
||||
|
||||
try {
|
||||
result = sQRCodeWriter.encode(data,
|
||||
BarcodeFormat.QR_CODE,
|
||||
size,
|
||||
size,
|
||||
hints);
|
||||
} catch (WriterException ex) {
|
||||
return null;
|
||||
}
|
||||
|
||||
final int width = result.getWidth();
|
||||
final int height = result.getHeight();
|
||||
final int[] pixels = new int[width * height];
|
||||
|
||||
for (int y = 0; y < height; y++) {
|
||||
final int offset = y * width;
|
||||
for (int x = 0; x < width; x++) {
|
||||
pixels[offset + x] =
|
||||
result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
|
||||
}
|
||||
}
|
||||
|
||||
final Bitmap bitmap =
|
||||
Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
|
||||
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
|
||||
|
||||
return bitmap;
|
||||
}
|
||||
|
||||
public boolean isFinished() {
|
||||
return finished;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected Void doInBackground(Void... params) {
|
||||
final BigInteger secretInteger = stringToBigInteger(cleartext);
|
||||
final BigInteger modulus;
|
||||
|
||||
modulus = SecretShare.createAppropriateModulusForSecret(secretInteger);
|
||||
publicInfo = new SecretShare.PublicInfo(n,
|
||||
k,
|
||||
modulus,
|
||||
null);
|
||||
final SecretShare.SplitSecretOutput splitSecretOutput = new SecretShare(publicInfo)
|
||||
.split(secretInteger);
|
||||
pieces = splitSecretOutput.getShareInfos();
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPostExecute(Void nothing) {
|
||||
super.onPostExecute(nothing);
|
||||
String[] out = new String[pieces.size()];
|
||||
tv.setText("");
|
||||
for (int i = 0; i < out.length; i++) {
|
||||
final ShareInfo piece = pieces.get(i);
|
||||
|
||||
byte[] bmodulus = publicInfo.getPrimeModulus().toByteArray();
|
||||
byte[] bshare = piece.getShare().toByteArray();
|
||||
int blen = 4 + 4 + 4 + 4 + 4 + bmodulus.length + bshare.length;
|
||||
ByteBuffer bencoded = ByteBuffer.allocate(blen);
|
||||
bencoded.putInt(n).putInt(k).putInt(piece.getX());
|
||||
bencoded.putInt(bmodulus.length).put(bmodulus);
|
||||
bencoded.putInt(bshare.length).put(bshare);
|
||||
|
||||
tv.append("Length: " + blen + "\n");
|
||||
|
||||
out[i] = n + ":" + k + ":" + piece.getX() + ":"
|
||||
+ publicInfo.getPrimeModulus() + ":" + piece.getShare();
|
||||
|
||||
tv.append("OutLen: " + out[i].length() + "\n");
|
||||
tv.append(out[i] + "\n");
|
||||
tv.append(bencoded + "\n0x");
|
||||
for (byte b : bencoded.array()) {
|
||||
tv.append(String.format("%x", b));
|
||||
}
|
||||
tv.append("\n");
|
||||
String bencoded64 = Base64.encodeToString(bencoded.array(), Base64.DEFAULT);
|
||||
tv.append("B64Len: " + bencoded64.length() + "\n");
|
||||
tv.append(bencoded64 + "\n");
|
||||
tv.append(bencoded + "\n\n");
|
||||
}
|
||||
this.finished = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,156 @@
|
|||
package org.surfsite.android.secretshare;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.app.Fragment;
|
||||
import android.content.Context;
|
||||
import android.os.Bundle;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.view.inputmethod.InputMethodManager;
|
||||
import android.widget.Button;
|
||||
import android.widget.EditText;
|
||||
|
||||
|
||||
/**
|
||||
* A simple {@link Fragment} subclass.
|
||||
* Activities that contain this fragment must implement the
|
||||
* {@link org.surfsite.android.secretshare.InputFragment.OnInputFragmentInteractionListener} interface
|
||||
* to handle interaction events.
|
||||
* Use the {@link InputFragment#newInstance} factory method to
|
||||
* create an instance of this fragment.
|
||||
*/
|
||||
public class InputFragment extends Fragment {
|
||||
private static final String ARG_N = "n";
|
||||
private static final String ARG_K = "k";
|
||||
private static final String ARG_CLEARTEXT = "cleartext";
|
||||
private OnInputFragmentInteractionListener mListener;
|
||||
private int n = 3;
|
||||
private int k = 2;
|
||||
private String cleartext;
|
||||
|
||||
public InputFragment() {
|
||||
// Required empty public constructor
|
||||
}
|
||||
|
||||
/**
|
||||
* Use this factory method to create a new instance of
|
||||
* this fragment using the provided parameters.
|
||||
*
|
||||
* @return A new instance of fragment InputFragment.
|
||||
*/
|
||||
public static InputFragment newInstance(int n, int k, String cleartext) {
|
||||
InputFragment fragment = new InputFragment();
|
||||
Bundle args = new Bundle();
|
||||
args.putInt(ARG_K, k);
|
||||
args.putInt(ARG_N, n);
|
||||
args.putString(ARG_CLEARTEXT, cleartext);
|
||||
fragment.setArguments(args);
|
||||
return fragment;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
if (getArguments() != null) {
|
||||
n = getArguments().getInt(ARG_N);
|
||||
k = getArguments().getInt(ARG_K);
|
||||
cleartext = getArguments().getString(ARG_CLEARTEXT);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSaveInstanceState(Bundle args) {
|
||||
args.putInt(ARG_K, k);
|
||||
args.putInt(ARG_N, n);
|
||||
args.putString(ARG_CLEARTEXT, cleartext);
|
||||
}
|
||||
|
||||
@Override
|
||||
public View onCreateView(LayoutInflater inflater, ViewGroup container,
|
||||
Bundle savedInstanceState) {
|
||||
// Inflate the layout for this fragment
|
||||
View rootView = inflater.inflate(R.layout.fragment_input, container, false);
|
||||
final Button generateButton = (Button) rootView.findViewById(R.id.generate_button);
|
||||
assert (generateButton != null);
|
||||
generateButton.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
onGenerateButtonPressed();
|
||||
}
|
||||
});
|
||||
final EditText clearEditText = (EditText) rootView.findViewById(R.id.clearEditText);
|
||||
clearEditText.setText(cleartext);
|
||||
|
||||
//set on focus to force keyboard
|
||||
clearEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
|
||||
@Override
|
||||
public void onFocusChange(View v, boolean hasFocus) {
|
||||
if (hasFocus) {
|
||||
//open keyboard
|
||||
((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).showSoftInput(v,
|
||||
InputMethodManager.SHOW_FORCED);
|
||||
} else {
|
||||
//close keyboard
|
||||
((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(
|
||||
v.getWindowToken(), 0);
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
//Set on click listener to clear focus
|
||||
clearEditText.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View clickedView) {
|
||||
clickedView.clearFocus();
|
||||
clickedView.requestFocus();
|
||||
}
|
||||
});
|
||||
|
||||
return rootView;
|
||||
}
|
||||
|
||||
public void onGenerateButtonPressed() {
|
||||
if (mListener != null) {
|
||||
final EditText clearEditText = (EditText) getActivity().findViewById(R.id.clearEditText);
|
||||
|
||||
cleartext = clearEditText.getText().toString();
|
||||
if (cleartext.isEmpty())
|
||||
return;
|
||||
|
||||
mListener.generateSecret(n, k, cleartext);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onAttach(Activity activity) {
|
||||
super.onAttach(activity);
|
||||
try {
|
||||
mListener = (OnInputFragmentInteractionListener) activity;
|
||||
} catch (ClassCastException e) {
|
||||
throw new ClassCastException(activity.toString()
|
||||
+ " must implement OnInputFragmentInteractionListener");
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onDetach() {
|
||||
super.onDetach();
|
||||
mListener = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* This interface must be implemented by activities that contain this
|
||||
* fragment to allow an interaction in this fragment to be communicated
|
||||
* to the activity and potentially other fragments contained in that
|
||||
* activity.
|
||||
* <p/>
|
||||
* See the Android Training lesson <a href=
|
||||
* "http://developer.android.com/training/basics/fragments/communicating.html"
|
||||
* >Communicating with Other Fragments</a> for more information.
|
||||
*/
|
||||
public interface OnInputFragmentInteractionListener {
|
||||
public void generateSecret(int n, int k, String cleartext);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,86 @@
|
|||
package org.surfsite.android.secretshare;
|
||||
/**
|
||||
* Copyright 2013 Google Inc.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import java.io.DataInputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.IOException;
|
||||
import java.security.Provider;
|
||||
import java.security.SecureRandomSpi;
|
||||
import java.security.Security;
|
||||
|
||||
/**
|
||||
* A SecureRandom implementation that is able to override the standard JVM provided implementation, and which simply
|
||||
* serves random numbers by reading /dev/urandom. That is, it delegates to the kernel on UNIX systems and is unusable on
|
||||
* other platforms. Attempts to manually set the seed are ignored. There is no difference between seed bytes and
|
||||
* non-seed bytes, they are all from the same source.
|
||||
*/
|
||||
public class LinuxSecureRandom extends SecureRandomSpi {
|
||||
private static final FileInputStream urandom;
|
||||
private final DataInputStream dis;
|
||||
|
||||
public LinuxSecureRandom() {
|
||||
// DataInputStream is not thread safe, so each random object has its own.
|
||||
dis = new DataInputStream(urandom);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void engineSetSeed(byte[] bytes) {
|
||||
// Ignore.
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void engineNextBytes(byte[] bytes) {
|
||||
try {
|
||||
dis.readFully(bytes); // This will block until all the bytes can be read.
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e); // Fatal error. Do not attempt to recover from this.
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected byte[] engineGenerateSeed(int i) {
|
||||
byte[] bits = new byte[i];
|
||||
engineNextBytes(bits);
|
||||
return bits;
|
||||
}
|
||||
|
||||
private static class LinuxSecureRandomProvider extends Provider {
|
||||
public LinuxSecureRandomProvider() {
|
||||
super("LinuxSecureRandom", 1.0, "A Linux specific random number provider that uses /dev/urandom");
|
||||
put("SecureRandom.LinuxSecureRandom", LinuxSecureRandom.class.getName());
|
||||
}
|
||||
}
|
||||
|
||||
static {
|
||||
try {
|
||||
File file = new File("/dev/urandom");
|
||||
if (file.exists()) {
|
||||
// This stream is deliberately leaked.
|
||||
urandom = new FileInputStream(file);
|
||||
// Now override the default SecureRandom implementation with this one.
|
||||
Security.insertProviderAt(new LinuxSecureRandomProvider(), 1);
|
||||
} else {
|
||||
urandom = null;
|
||||
}
|
||||
} catch (FileNotFoundException e) {
|
||||
// Should never happen.
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
package org.surfsite.android.secretshare;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.app.Fragment;
|
||||
import android.app.FragmentTransaction;
|
||||
import android.net.Uri;
|
||||
import android.os.Bundle;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
|
||||
|
||||
public class MainActivity extends Activity
|
||||
implements
|
||||
GenerateFragment.OnFragmentInteractionListener,
|
||||
InputFragment.OnInputFragmentInteractionListener {
|
||||
|
||||
@Override
|
||||
protected void onCreate(Bundle savedInstanceState) {
|
||||
new LinuxSecureRandom(); // init proper random number generator
|
||||
|
||||
super.onCreate(savedInstanceState);
|
||||
setContentView(R.layout.activity_main);
|
||||
if (savedInstanceState == null) {
|
||||
FragmentTransaction transaction = getFragmentManager().beginTransaction();
|
||||
transaction.add(R.id.container, new InputFragment());
|
||||
//transaction.addToBackStack(null);
|
||||
transaction.commit();
|
||||
}
|
||||
// QRCODE
|
||||
// IntentIntegrator test;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onCreateOptionsMenu(Menu menu) {
|
||||
// Inflate the menu; this adds items to the action bar if it is present.
|
||||
getMenuInflater().inflate(R.menu.main, menu);
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onOptionsItemSelected(MenuItem item) {
|
||||
// Handle action bar item clicks here. The action bar will
|
||||
// automatically handle clicks on the Home/Up button, so long
|
||||
// as you specify a parent activity in AndroidManifest.xml.
|
||||
int id = item.getItemId();
|
||||
if (id == R.id.action_settings) {
|
||||
return true;
|
||||
}
|
||||
return super.onOptionsItemSelected(item);
|
||||
}
|
||||
|
||||
public void generateSecret(int n, int k, String cleartext) {
|
||||
Fragment generateFragment = new GenerateFragment().newInstance(n, k, cleartext);
|
||||
FragmentTransaction transaction = getFragmentManager().beginTransaction();
|
||||
transaction.replace(R.id.container, generateFragment, "GENERATEFRAGMENT");
|
||||
transaction.addToBackStack(null);
|
||||
transaction.commit();
|
||||
}
|
||||
|
||||
public void onFragmentInteraction(Uri uri) {
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void onBackPressed() {
|
||||
try {
|
||||
final FragmentSupport fragment = (FragmentSupport) getFragmentManager().findFragmentByTag("GENERATEFRAGMENT");
|
||||
|
||||
if (fragment == null || fragment.mayBackPress()) {
|
||||
super.onBackPressed();
|
||||
}
|
||||
} catch (ClassCastException e) {
|
||||
super.onBackPressed();
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
BIN
app/src/main/res/drawable-hdpi/ic_launcher.png
Normal file
BIN
app/src/main/res/drawable-hdpi/ic_launcher.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 9.2 KiB |
BIN
app/src/main/res/drawable-mdpi/ic_launcher.png
Normal file
BIN
app/src/main/res/drawable-mdpi/ic_launcher.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 5.1 KiB |
BIN
app/src/main/res/drawable-xhdpi/ic_launcher.png
Normal file
BIN
app/src/main/res/drawable-xhdpi/ic_launcher.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 14 KiB |
BIN
app/src/main/res/drawable-xxhdpi/ic_launcher.png
Normal file
BIN
app/src/main/res/drawable-xxhdpi/ic_launcher.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 19 KiB |
8
app/src/main/res/layout/activity_main.xml
Normal file
8
app/src/main/res/layout/activity_main.xml
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
<FrameLayout
|
||||
android:id="@+id/container"
|
||||
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"
|
||||
tools:context=".MainActivity"
|
||||
tools:ignore="MergeRootFrame"/>
|
||||
23
app/src/main/res/layout/fragment_generate.xml
Normal file
23
app/src/main/res/layout/fragment_generate.xml
Normal file
|
|
@ -0,0 +1,23 @@
|
|||
<FrameLayout
|
||||
android:id="@+id/status"
|
||||
xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:tools="http://schemas.android.com/tools"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
tools:context="org.surfsite.android.secretshare.GenerateFragment">
|
||||
|
||||
<ScrollView
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:fillViewport="true"
|
||||
android:scrollbars="vertical">
|
||||
|
||||
<TextView
|
||||
android:id="@+id/generate_status"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
android:text="@string/hello_blank_fragment"
|
||||
/>
|
||||
</ScrollView>
|
||||
|
||||
</FrameLayout>
|
||||
42
app/src/main/res/layout/fragment_input.xml
Normal file
42
app/src/main/res/layout/fragment_input.xml
Normal file
|
|
@ -0,0 +1,42 @@
|
|||
<FrameLayout 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"
|
||||
tools:context="org.surfsite.android.secretshare.InputFragment">
|
||||
|
||||
<LinearLayout
|
||||
xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
android:orientation="vertical"
|
||||
android:padding="8dp">
|
||||
|
||||
<LinearLayout
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_gravity="center_horizontal"
|
||||
android:orientation="horizontal"
|
||||
android:padding="8dp"
|
||||
>
|
||||
</LinearLayout>
|
||||
|
||||
<Button
|
||||
android:id="@+id/generate_button"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:text="@string/string_generate_secrets"/>
|
||||
|
||||
<EditText
|
||||
android:id="@+id/clearEditText"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_gravity="center_horizontal"
|
||||
android:ems="10"
|
||||
android:focusable="true"
|
||||
android:hint="@string/string_clear_text_secret"
|
||||
android:inputType="textMultiLine"
|
||||
android:maxLength="500"
|
||||
android:textIsSelectable="true"
|
||||
/>
|
||||
</LinearLayout>
|
||||
</FrameLayout>
|
||||
9
app/src/main/res/menu/main.xml
Normal file
9
app/src/main/res/menu/main.xml
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
<menu xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:tools="http://schemas.android.com/tools"
|
||||
tools:context=".MainActivity">
|
||||
<item
|
||||
android:id="@+id/action_settings"
|
||||
android:orderInCategory="100"
|
||||
android:showAsAction="never"
|
||||
android:title="@string/action_settings"/>
|
||||
</menu>
|
||||
4
app/src/main/res/values-large/refs.xml
Normal file
4
app/src/main/res/values-large/refs.xml
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
<resources>
|
||||
|
||||
|
||||
</resources>
|
||||
3
app/src/main/res/values-sw600dp/refs.xml
Normal file
3
app/src/main/res/values-sw600dp/refs.xml
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
<resources>
|
||||
|
||||
</resources>
|
||||
6
app/src/main/res/values-w820dp/dimens.xml
Normal file
6
app/src/main/res/values-w820dp/dimens.xml
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
<resources>
|
||||
<!-- Example customization of dimensions originally defined in res/values/dimens.xml
|
||||
(such as screen margins) for screens with more than 820dp of available width. This
|
||||
would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
|
||||
<dimen name="activity_horizontal_margin">64dp</dimen>
|
||||
</resources>
|
||||
5
app/src/main/res/values/dimens.xml
Normal file
5
app/src/main/res/values/dimens.xml
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
<resources>
|
||||
<!-- Default screen margins, per the Android Design guidelines. -->
|
||||
<dimen name="activity_horizontal_margin">16dp</dimen>
|
||||
<dimen name="activity_vertical_margin">16dp</dimen>
|
||||
</resources>
|
||||
3
app/src/main/res/values/refs.xml
Normal file
3
app/src/main/res/values/refs.xml
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
<resources>
|
||||
|
||||
</resources>
|
||||
12
app/src/main/res/values/strings.xml
Normal file
12
app/src/main/res/values/strings.xml
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<resources>
|
||||
|
||||
<string name="app_name">SecretShare</string>
|
||||
<string name="hello_world">Hello world!</string>
|
||||
<string name="action_settings">Settings</string>
|
||||
<string name="string_clear_text_secret">Clear text secret</string>
|
||||
<string name="string_generate_secrets">Generate Secrets</string>
|
||||
<string name="string_encrypted_secrets">Encrypted secrets</string>
|
||||
<string name="hello_blank_fragment">Hello blank fragment</string>
|
||||
|
||||
</resources>
|
||||
8
app/src/main/res/values/styles.xml
Normal file
8
app/src/main/res/values/styles.xml
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
<resources>
|
||||
|
||||
<!-- Base application theme. -->
|
||||
<style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
|
||||
<!-- Customize your theme here. -->
|
||||
</style>
|
||||
|
||||
</resources>
|
||||
Loading…
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Reference in a new issue