mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-12-28 14:57:37 +00:00
Massive project restructure
This commit is contained in:
topjohnwu
parent
e6fea4e6dd
commit
863b13a694
2
.gitignore
vendored
2
.gitignore
vendored
@ -5,7 +5,7 @@
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/build
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app/release
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*.hprof
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app/.externalNativeBuild/
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.externalNativeBuild/
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*.sh
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public.certificate.x509.pem
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private.key.pk8
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1
app/.gitignore
vendored
1
app/.gitignore
vendored
@ -1 +0,0 @@
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/build
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@ -1,67 +0,0 @@
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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 27
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buildToolsVersion "27.0.1"
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defaultConfig {
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applicationId "com.topjohnwu.magisk"
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minSdkVersion 21
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targetSdkVersion 27
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versionCode 71
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versionName "5.4.3"
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ndk {
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moduleName 'zipadjust'
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abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
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}
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javaCompileOptions {
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annotationProcessorOptions {
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argument('butterknife.debuggable', 'false')
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}
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}
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}
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buildTypes {
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release {
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minifyEnabled true
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shrinkResources true
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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dexOptions {
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preDexLibraries true
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javaMaxHeapSize "2g"
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}
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externalNativeBuild {
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cmake {
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path 'src/main/jni/CMakeLists.txt'
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}
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}
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lintOptions {
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disable 'MissingTranslation'
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}
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}
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repositories {
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jcenter()
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google()
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maven { url "https://jitpack.io" }
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}
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dependencies {
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implementation fileTree(include: ['*.jar'], dir: 'libs')
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implementation project(':crypto')
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implementation 'com.android.support:recyclerview-v7:27.0.2'
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implementation 'com.android.support:cardview-v7:27.0.2'
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implementation 'com.android.support:design:27.0.2'
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implementation 'com.android.support:support-v4:27.0.2'
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implementation 'com.jakewharton:butterknife:8.8.1'
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implementation 'com.atlassian.commonmark:commonmark:0.10.0'
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implementation 'org.kamranzafar:jtar:2.3'
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implementation 'com.google.code.gson:gson:2.8.2'
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annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
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}
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71
build.gradle
71
build.gradle
@ -1,18 +1,67 @@
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// Top-level build file where you can add configuration options common to all sub-projects/modules.
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apply plugin: 'com.android.application'
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buildscript {
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repositories {
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jcenter()
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google()
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android {
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compileSdkVersion 27
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buildToolsVersion "27.0.1"
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defaultConfig {
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applicationId "com.topjohnwu.magisk"
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minSdkVersion 21
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targetSdkVersion 27
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versionCode 71
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versionName "5.4.3"
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ndk {
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moduleName 'zipadjust'
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abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
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}
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javaCompileOptions {
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annotationProcessorOptions {
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argument('butterknife.debuggable', 'false')
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}
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}
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:3.0.1'
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// NOTE: Do not place your application dependencies here; they belong
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// in the individual module build.gradle files
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buildTypes {
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release {
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minifyEnabled true
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shrinkResources true
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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dexOptions {
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preDexLibraries true
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javaMaxHeapSize "2g"
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}
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externalNativeBuild {
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cmake {
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path 'src/main/jni/CMakeLists.txt'
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}
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}
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lintOptions {
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disable 'MissingTranslation'
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}
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}
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task clean(type: Delete) {
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delete rootProject.buildDir
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repositories {
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jcenter()
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google()
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maven { url "https://jitpack.io" }
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}
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dependencies {
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implementation fileTree(include: ['*.jar'], dir: 'libs')
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implementation project(':crypto')
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implementation 'com.android.support:recyclerview-v7:27.0.2'
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implementation 'com.android.support:cardview-v7:27.0.2'
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implementation 'com.android.support:design:27.0.2'
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implementation 'com.android.support:support-v4:27.0.2'
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implementation 'com.jakewharton:butterknife:8.8.1'
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implementation 'com.atlassian.commonmark:commonmark:0.10.0'
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implementation 'org.kamranzafar:jtar:2.3'
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implementation 'com.google.code.gson:gson:2.8.2'
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annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
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}
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1
crypto/.gitignore
vendored
1
crypto/.gitignore
vendored
@ -1 +0,0 @@
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/build
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@ -1,38 +0,0 @@
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apply plugin: 'java-library'
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apply plugin: 'com.github.johnrengelman.shadow'
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apply plugin: 'java'
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sourceCompatibility = "1.8"
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targetCompatibility = "1.8"
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jar {
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manifest {
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attributes 'Main-Class': 'com.topjohnwu.crypto.ZipSigner'
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}
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}
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shadowJar {
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baseName = 'zipsigner'
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classifier = null
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version = 1.1
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}
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buildscript {
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repositories {
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jcenter()
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}
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dependencies {
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classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.1'
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}
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}
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repositories {
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jcenter()
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}
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dependencies {
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implementation fileTree(include: ['*.jar'], dir: 'libs')
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implementation 'org.bouncycastle:bcprov-jdk15on:1.58'
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implementation 'org.bouncycastle:bcpkix-jdk15on:1.58'
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}
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@ -1,34 +0,0 @@
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package com.topjohnwu.crypto;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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public class ByteArrayStream extends ByteArrayOutputStream {
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public byte[] getBuf() {
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return buf;
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}
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public synchronized void readFrom(InputStream is) {
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readFrom(is, Integer.MAX_VALUE);
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}
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public synchronized void readFrom(InputStream is, int len) {
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int read;
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byte buffer[] = new byte[4096];
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try {
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while ((read = is.read(buffer, 0, len < buffer.length ? len : buffer.length)) > 0) {
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write(buffer, 0, read);
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len -= read;
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public synchronized void writeTo(OutputStream out, int off, int len) throws IOException {
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out.write(buf, off, len);
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}
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public ByteArrayInputStream getInputStream() {
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return new ByteArrayInputStream(buf, 0, count);
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}
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}
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@ -1,136 +0,0 @@
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package com.topjohnwu.crypto;
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import org.bouncycastle.asn1.ASN1InputStream;
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import org.bouncycastle.asn1.ASN1ObjectIdentifier;
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import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
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import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
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import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
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import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.security.GeneralSecurityException;
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import java.security.Key;
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import java.security.KeyFactory;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.Signature;
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import java.security.cert.CertificateFactory;
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import java.security.cert.X509Certificate;
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import java.security.spec.ECPrivateKeySpec;
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import java.security.spec.ECPublicKeySpec;
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import java.security.spec.InvalidKeySpecException;
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import java.security.spec.PKCS8EncodedKeySpec;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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class CryptoUtils {
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private static final Map<String, String> ID_TO_ALG;
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private static final Map<String, String> ALG_TO_ID;
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static {
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ID_TO_ALG = new HashMap<>();
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ALG_TO_ID = new HashMap<>();
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ID_TO_ALG.put(X9ObjectIdentifiers.ecdsa_with_SHA256.getId(), "SHA256withECDSA");
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ID_TO_ALG.put(X9ObjectIdentifiers.ecdsa_with_SHA384.getId(), "SHA384withECDSA");
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ID_TO_ALG.put(X9ObjectIdentifiers.ecdsa_with_SHA512.getId(), "SHA512withECDSA");
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ID_TO_ALG.put(PKCSObjectIdentifiers.sha1WithRSAEncryption.getId(), "SHA1withRSA");
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ID_TO_ALG.put(PKCSObjectIdentifiers.sha256WithRSAEncryption.getId(), "SHA256withRSA");
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ID_TO_ALG.put(PKCSObjectIdentifiers.sha512WithRSAEncryption.getId(), "SHA512withRSA");
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ALG_TO_ID.put("SHA256withECDSA", X9ObjectIdentifiers.ecdsa_with_SHA256.getId());
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ALG_TO_ID.put("SHA384withECDSA", X9ObjectIdentifiers.ecdsa_with_SHA384.getId());
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ALG_TO_ID.put("SHA512withECDSA", X9ObjectIdentifiers.ecdsa_with_SHA512.getId());
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ALG_TO_ID.put("SHA1withRSA", PKCSObjectIdentifiers.sha1WithRSAEncryption.getId());
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ALG_TO_ID.put("SHA256withRSA", PKCSObjectIdentifiers.sha256WithRSAEncryption.getId());
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ALG_TO_ID.put("SHA512withRSA", PKCSObjectIdentifiers.sha512WithRSAEncryption.getId());
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}
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private static String getSignatureAlgorithm(Key key) throws Exception {
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if ("EC".equals(key.getAlgorithm())) {
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int curveSize;
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KeyFactory factory = KeyFactory.getInstance("EC");
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if (key instanceof PublicKey) {
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ECPublicKeySpec spec = factory.getKeySpec(key, ECPublicKeySpec.class);
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curveSize = spec.getParams().getCurve().getField().getFieldSize();
|
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} else if (key instanceof PrivateKey) {
|
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ECPrivateKeySpec spec = factory.getKeySpec(key, ECPrivateKeySpec.class);
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curveSize = spec.getParams().getCurve().getField().getFieldSize();
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} else {
|
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throw new InvalidKeySpecException();
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}
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if (curveSize <= 256) {
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return "SHA256withECDSA";
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} else if (curveSize <= 384) {
|
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return "SHA384withECDSA";
|
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} else {
|
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return "SHA512withECDSA";
|
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}
|
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} else if ("RSA".equals(key.getAlgorithm())) {
|
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return "SHA256withRSA";
|
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} else {
|
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throw new IllegalArgumentException("Unsupported key type " + key.getAlgorithm());
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}
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}
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static AlgorithmIdentifier getSignatureAlgorithmIdentifier(Key key) throws Exception {
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String id = ALG_TO_ID.get(getSignatureAlgorithm(key));
|
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if (id == null) {
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throw new IllegalArgumentException("Unsupported key type " + key.getAlgorithm());
|
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}
|
||||
return new AlgorithmIdentifier(new ASN1ObjectIdentifier(id));
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}
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|
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static boolean verify(PublicKey key, byte[] input, byte[] signature,
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AlgorithmIdentifier algId) throws Exception {
|
||||
String algName = ID_TO_ALG.get(algId.getAlgorithm().getId());
|
||||
if (algName == null) {
|
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throw new IllegalArgumentException("Unsupported algorithm " + algId.getAlgorithm());
|
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}
|
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Signature verifier = Signature.getInstance(algName);
|
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verifier.initVerify(key);
|
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verifier.update(input);
|
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return verifier.verify(signature);
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}
|
||||
|
||||
static byte[] sign(PrivateKey privateKey, byte[] input) throws Exception {
|
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Signature signer = Signature.getInstance(getSignatureAlgorithm(privateKey));
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signer.initSign(privateKey);
|
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signer.update(input);
|
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return signer.sign();
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||||
}
|
||||
|
||||
static X509Certificate readPublicKey(InputStream input)
|
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throws IOException, GeneralSecurityException {
|
||||
try {
|
||||
CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
||||
return (X509Certificate) cf.generateCertificate(input);
|
||||
} finally {
|
||||
input.close();
|
||||
}
|
||||
}
|
||||
|
||||
/** Read a PKCS#8 format private key. */
|
||||
static PrivateKey readPrivateKey(InputStream input)
|
||||
throws IOException, GeneralSecurityException {
|
||||
try {
|
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byte[] buffer = new byte[4096];
|
||||
int size = input.read(buffer);
|
||||
byte[] bytes = Arrays.copyOf(buffer, size);
|
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/* Check to see if this is in an EncryptedPrivateKeyInfo structure. */
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PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(bytes);
|
||||
/*
|
||||
* Now it's in a PKCS#8 PrivateKeyInfo structure. Read its Algorithm
|
||||
* OID and use that to construct a KeyFactory.
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||||
*/
|
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ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(spec.getEncoded()));
|
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PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
|
||||
String algOid = pki.getPrivateKeyAlgorithm().getAlgorithm().getId();
|
||||
return KeyFactory.getInstance(algOid).generatePrivate(spec);
|
||||
} finally {
|
||||
input.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,122 +0,0 @@
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package com.topjohnwu.crypto;
|
||||
|
||||
import java.io.Closeable;
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.util.Collections;
|
||||
import java.util.Enumeration;
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.jar.JarEntry;
|
||||
import java.util.jar.JarFile;
|
||||
import java.util.jar.JarInputStream;
|
||||
import java.util.jar.Manifest;
|
||||
import java.util.zip.ZipEntry;
|
||||
import java.util.zip.ZipFile;
|
||||
|
||||
/*
|
||||
* A universal random access interface for both JarFile and JarInputStream
|
||||
*
|
||||
* In the case when JarInputStream is provided to constructor, the whole stream
|
||||
* will be loaded into memory for random access purposes.
|
||||
* On the other hand, when a JarFile is provided, it simply works as a wrapper.
|
||||
* */
|
||||
|
||||
public class JarMap implements Closeable, AutoCloseable {
|
||||
private JarFile jarFile;
|
||||
private JarInputStream jis;
|
||||
private boolean isInputStream = false;
|
||||
private LinkedHashMap<String, JarEntry> bufMap;
|
||||
|
||||
public JarMap(File file) throws IOException {
|
||||
this(file, true);
|
||||
}
|
||||
|
||||
public JarMap(File file, boolean verify) throws IOException {
|
||||
this(file, verify, ZipFile.OPEN_READ);
|
||||
}
|
||||
|
||||
public JarMap(File file, boolean verify, int mode) throws IOException {
|
||||
jarFile = new JarFile(file, verify, mode);
|
||||
}
|
||||
|
||||
public JarMap(String name) throws IOException {
|
||||
this(new File(name));
|
||||
}
|
||||
|
||||
public JarMap(String name, boolean verify) throws IOException {
|
||||
this(new File(name), verify);
|
||||
}
|
||||
|
||||
public JarMap(InputStream is) throws IOException {
|
||||
this(is, true);
|
||||
}
|
||||
|
||||
public JarMap(InputStream is, boolean verify) throws IOException {
|
||||
isInputStream = true;
|
||||
bufMap = new LinkedHashMap<>();
|
||||
jis = new JarInputStream(is, verify);
|
||||
JarEntry entry;
|
||||
while ((entry = jis.getNextJarEntry()) != null) {
|
||||
bufMap.put(entry.getName(), new JarMapEntry(entry, jis));
|
||||
}
|
||||
}
|
||||
|
||||
public File getFile() {
|
||||
return isInputStream ? null : new File(jarFile.getName());
|
||||
}
|
||||
|
||||
public Manifest getManifest() throws IOException {
|
||||
return isInputStream ? jis.getManifest() : jarFile.getManifest();
|
||||
}
|
||||
|
||||
public InputStream getInputStream(ZipEntry ze) throws IOException {
|
||||
return isInputStream ? ((JarMapEntry) bufMap.get(ze.getName())).data.getInputStream() :
|
||||
jarFile.getInputStream(ze);
|
||||
}
|
||||
|
||||
public OutputStream getOutputStream(ZipEntry ze) {
|
||||
if (!isInputStream) // Only support InputStream mode
|
||||
return null;
|
||||
ByteArrayStream bs = ((JarMapEntry) bufMap.get(ze.getName())).data;
|
||||
bs.reset();
|
||||
return bs;
|
||||
}
|
||||
|
||||
public byte[] getRawData(ZipEntry ze) throws IOException {
|
||||
if (isInputStream) {
|
||||
return ((JarMapEntry) bufMap.get(ze.getName())).data.toByteArray();
|
||||
} else {
|
||||
ByteArrayStream bytes = new ByteArrayStream();
|
||||
bytes.readFrom(jarFile.getInputStream(ze));
|
||||
return bytes.toByteArray();
|
||||
}
|
||||
}
|
||||
|
||||
public Enumeration<JarEntry> entries() {
|
||||
return isInputStream ? Collections.enumeration(bufMap.values()) : jarFile.entries();
|
||||
}
|
||||
|
||||
public ZipEntry getEntry(String name) {
|
||||
return getJarEntry(name);
|
||||
}
|
||||
|
||||
public JarEntry getJarEntry(String name) {
|
||||
return isInputStream ? bufMap.get(name) : jarFile.getJarEntry(name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void close() throws IOException {
|
||||
(isInputStream ? jis : jarFile).close();
|
||||
}
|
||||
|
||||
private static class JarMapEntry extends JarEntry {
|
||||
ByteArrayStream data;
|
||||
JarMapEntry(JarEntry je, InputStream is) {
|
||||
super(je);
|
||||
data = new ByteArrayStream();
|
||||
data.readFrom(is);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,502 +0,0 @@
|
||||
package com.topjohnwu.crypto;
|
||||
|
||||
import org.bouncycastle.asn1.ASN1InputStream;
|
||||
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
|
||||
import org.bouncycastle.asn1.DEROutputStream;
|
||||
import org.bouncycastle.asn1.cms.CMSObjectIdentifiers;
|
||||
import org.bouncycastle.cert.jcajce.JcaCertStore;
|
||||
import org.bouncycastle.cms.CMSException;
|
||||
import org.bouncycastle.cms.CMSProcessableByteArray;
|
||||
import org.bouncycastle.cms.CMSSignedData;
|
||||
import org.bouncycastle.cms.CMSSignedDataGenerator;
|
||||
import org.bouncycastle.cms.CMSTypedData;
|
||||
import org.bouncycastle.cms.jcajce.JcaSignerInfoGeneratorBuilder;
|
||||
import org.bouncycastle.jce.provider.BouncyCastleProvider;
|
||||
import org.bouncycastle.operator.ContentSigner;
|
||||
import org.bouncycastle.operator.OperatorCreationException;
|
||||
import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
|
||||
import org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder;
|
||||
import org.bouncycastle.util.encoders.Base64;
|
||||
|
||||
import java.io.BufferedOutputStream;
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.FilterOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.io.PrintStream;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.security.DigestOutputStream;
|
||||
import java.security.GeneralSecurityException;
|
||||
import java.security.MessageDigest;
|
||||
import java.security.PrivateKey;
|
||||
import java.security.Provider;
|
||||
import java.security.Security;
|
||||
import java.security.cert.CertificateEncodingException;
|
||||
import java.security.cert.X509Certificate;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Enumeration;
|
||||
import java.util.Locale;
|
||||
import java.util.Map;
|
||||
import java.util.TreeMap;
|
||||
import java.util.jar.Attributes;
|
||||
import java.util.jar.JarEntry;
|
||||
import java.util.jar.JarFile;
|
||||
import java.util.jar.JarOutputStream;
|
||||
import java.util.jar.Manifest;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
/*
|
||||
* Modified from from AOSP(Marshmallow) SignAPK.java
|
||||
* */
|
||||
|
||||
public class SignAPK {
|
||||
|
||||
private static final String CERT_SF_NAME = "META-INF/CERT.SF";
|
||||
private static final String CERT_SIG_NAME = "META-INF/CERT.%s";
|
||||
|
||||
public static Provider sBouncyCastleProvider;
|
||||
// bitmasks for which hash algorithms we need the manifest to include.
|
||||
private static final int USE_SHA1 = 1;
|
||||
private static final int USE_SHA256 = 2;
|
||||
|
||||
static {
|
||||
sBouncyCastleProvider = new BouncyCastleProvider();
|
||||
Security.insertProviderAt(sBouncyCastleProvider, 1);
|
||||
}
|
||||
|
||||
public static void signZip(InputStream publicIn, InputStream privateIn,
|
||||
JarMap input, File output, boolean minSign) throws Exception {
|
||||
int alignment = 4;
|
||||
BufferedOutputStream outputFile;
|
||||
int hashes = 0;
|
||||
X509Certificate publicKey = CryptoUtils.readPublicKey(publicIn);
|
||||
hashes |= getDigestAlgorithm(publicKey);
|
||||
|
||||
// Set the ZIP file timestamp to the starting valid time
|
||||
// of the 0th certificate plus one hour (to match what
|
||||
// we've historically done).
|
||||
long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;
|
||||
PrivateKey privateKey = CryptoUtils.readPrivateKey(privateIn);
|
||||
|
||||
outputFile = new BufferedOutputStream(new FileOutputStream(output));
|
||||
if (minSign) {
|
||||
signWholeFile(input.getFile(), publicKey, privateKey, outputFile);
|
||||
} else {
|
||||
JarOutputStream outputJar = new JarOutputStream(outputFile);
|
||||
// For signing .apks, use the maximum compression to make
|
||||
// them as small as possible (since they live forever on
|
||||
// the system partition). For OTA packages, use the
|
||||
// default compression level, which is much much faster
|
||||
// and produces output that is only a tiny bit larger
|
||||
// (~0.1% on full OTA packages I tested).
|
||||
outputJar.setLevel(9);
|
||||
Manifest manifest = addDigestsToManifest(input, hashes);
|
||||
copyFiles(manifest, input, outputJar, timestamp, alignment);
|
||||
signFile(manifest, input, publicKey, privateKey, outputJar);
|
||||
outputJar.close();
|
||||
}
|
||||
input.close();
|
||||
outputFile.close();
|
||||
}
|
||||
|
||||
/**
|
||||
* Return one of USE_SHA1 or USE_SHA256 according to the signature
|
||||
* algorithm specified in the cert.
|
||||
*/
|
||||
private static int getDigestAlgorithm(X509Certificate cert) {
|
||||
String sigAlg = cert.getSigAlgName().toUpperCase(Locale.US);
|
||||
if ("SHA1WITHRSA".equals(sigAlg) ||
|
||||
"MD5WITHRSA".equals(sigAlg)) { // see "HISTORICAL NOTE" above.
|
||||
return USE_SHA1;
|
||||
} else if (sigAlg.startsWith("SHA256WITH")) {
|
||||
return USE_SHA256;
|
||||
} else {
|
||||
throw new IllegalArgumentException("unsupported signature algorithm \"" + sigAlg +
|
||||
"\" in cert [" + cert.getSubjectDN());
|
||||
}
|
||||
}
|
||||
/** Returns the expected signature algorithm for this key type. */
|
||||
private static String getSignatureAlgorithm(X509Certificate cert) {
|
||||
String sigAlg = cert.getSigAlgName().toUpperCase(Locale.US);
|
||||
String keyType = cert.getPublicKey().getAlgorithm().toUpperCase(Locale.US);
|
||||
if ("RSA".equalsIgnoreCase(keyType)) {
|
||||
if (getDigestAlgorithm(cert) == USE_SHA256) {
|
||||
return "SHA256withRSA";
|
||||
} else {
|
||||
return "SHA1withRSA";
|
||||
}
|
||||
} else if ("EC".equalsIgnoreCase(keyType)) {
|
||||
return "SHA256withECDSA";
|
||||
} else {
|
||||
throw new IllegalArgumentException("unsupported key type: " + keyType);
|
||||
}
|
||||
}
|
||||
// Files matching this pattern are not copied to the output.
|
||||
private static Pattern stripPattern =
|
||||
Pattern.compile("^(META-INF/((.*)[.](SF|RSA|DSA|EC)|com/android/otacert))|(" +
|
||||
Pattern.quote(JarFile.MANIFEST_NAME) + ")$");
|
||||
|
||||
/**
|
||||
* Add the hash(es) of every file to the manifest, creating it if
|
||||
* necessary.
|
||||
*/
|
||||
private static Manifest addDigestsToManifest(JarMap jar, int hashes)
|
||||
throws IOException, GeneralSecurityException {
|
||||
Manifest input = jar.getManifest();
|
||||
Manifest output = new Manifest();
|
||||
Attributes main = output.getMainAttributes();
|
||||
if (input != null) {
|
||||
main.putAll(input.getMainAttributes());
|
||||
} else {
|
||||
main.putValue("Manifest-Version", "1.0");
|
||||
main.putValue("Created-By", "1.0 (Android SignApk)");
|
||||
}
|
||||
MessageDigest md_sha1 = null;
|
||||
MessageDigest md_sha256 = null;
|
||||
if ((hashes & USE_SHA1) != 0) {
|
||||
md_sha1 = MessageDigest.getInstance("SHA1");
|
||||
}
|
||||
if ((hashes & USE_SHA256) != 0) {
|
||||
md_sha256 = MessageDigest.getInstance("SHA256");
|
||||
}
|
||||
byte[] buffer = new byte[4096];
|
||||
int num;
|
||||
// We sort the input entries by name, and add them to the
|
||||
// output manifest in sorted order. We expect that the output
|
||||
// map will be deterministic.
|
||||
TreeMap<String, JarEntry> byName = new TreeMap<String, JarEntry>();
|
||||
for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements(); ) {
|
||||
JarEntry entry = e.nextElement();
|
||||
byName.put(entry.getName(), entry);
|
||||
}
|
||||
for (JarEntry entry: byName.values()) {
|
||||
String name = entry.getName();
|
||||
if (!entry.isDirectory() &&
|
||||
(stripPattern == null || !stripPattern.matcher(name).matches())) {
|
||||
InputStream data = jar.getInputStream(entry);
|
||||
while ((num = data.read(buffer)) > 0) {
|
||||
if (md_sha1 != null) md_sha1.update(buffer, 0, num);
|
||||
if (md_sha256 != null) md_sha256.update(buffer, 0, num);
|
||||
}
|
||||
Attributes attr = null;
|
||||
if (input != null) attr = input.getAttributes(name);
|
||||
attr = attr != null ? new Attributes(attr) : new Attributes();
|
||||
if (md_sha1 != null) {
|
||||
attr.putValue("SHA1-Digest",
|
||||
new String(Base64.encode(md_sha1.digest()), "ASCII"));
|
||||
}
|
||||
if (md_sha256 != null) {
|
||||
attr.putValue("SHA-256-Digest",
|
||||
new String(Base64.encode(md_sha256.digest()), "ASCII"));
|
||||
}
|
||||
output.getEntries().put(name, attr);
|
||||
}
|
||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
/** Write to another stream and track how many bytes have been
|
||||
* written.
|
||||
*/
|
||||
private static class CountOutputStream extends FilterOutputStream {
|
||||
private int mCount;
|
||||
public CountOutputStream(OutputStream out) {
|
||||
super(out);
|
||||
mCount = 0;
|
||||
}
|
||||
@Override
|
||||
public void write(int b) throws IOException {
|
||||
super.write(b);
|
||||
mCount++;
|
||||
}
|
||||
@Override
|
||||
public void write(byte[] b, int off, int len) throws IOException {
|
||||
super.write(b, off, len);
|
||||
mCount += len;
|
||||
}
|
||||
public int size() {
|
||||
return mCount;
|
||||
}
|
||||
}
|
||||
/** Write a .SF file with a digest of the specified manifest. */
|
||||
private static void writeSignatureFile(Manifest manifest, OutputStream out,
|
||||
int hash)
|
||||
throws IOException, GeneralSecurityException {
|
||||
Manifest sf = new Manifest();
|
||||
Attributes main = sf.getMainAttributes();
|
||||
main.putValue("Signature-Version", "1.0");
|
||||
main.putValue("Created-By", "1.0 (Android SignApk)");
|
||||
MessageDigest md = MessageDigest.getInstance(
|
||||
hash == USE_SHA256 ? "SHA256" : "SHA1");
|
||||
PrintStream print = new PrintStream(
|
||||
new DigestOutputStream(new ByteArrayOutputStream(), md),
|
||||
true, "UTF-8");
|
||||
// Digest of the entire manifest
|
||||
manifest.write(print);
|
||||
print.flush();
|
||||
main.putValue(hash == USE_SHA256 ? "SHA-256-Digest-Manifest" : "SHA1-Digest-Manifest",
|
||||
new String(Base64.encode(md.digest()), "ASCII"));
|
||||
Map<String, Attributes> entries = manifest.getEntries();
|
||||
for (Map.Entry<String, Attributes> entry : entries.entrySet()) {
|
||||
// Digest of the manifest stanza for this entry.
|
||||
print.print("Name: " + entry.getKey() + "\r\n");
|
||||
for (Map.Entry<Object, Object> att : entry.getValue().entrySet()) {
|
||||
print.print(att.getKey() + ": " + att.getValue() + "\r\n");
|
||||
}
|
||||
print.print("\r\n");
|
||||
print.flush();
|
||||
Attributes sfAttr = new Attributes();
|
||||
sfAttr.putValue(hash == USE_SHA256 ? "SHA-256-Digest" : "SHA1-Digest-Manifest",
|
||||
new String(Base64.encode(md.digest()), "ASCII"));
|
||||
sf.getEntries().put(entry.getKey(), sfAttr);
|
||||
}
|
||||
CountOutputStream cout = new CountOutputStream(out);
|
||||
sf.write(cout);
|
||||
// A bug in the java.util.jar implementation of Android platforms
|
||||
// up to version 1.6 will cause a spurious IOException to be thrown
|
||||
// if the length of the signature file is a multiple of 1024 bytes.
|
||||
// As a workaround, add an extra CRLF in this case.
|
||||
if ((cout.size() % 1024) == 0) {
|
||||
cout.write('\r');
|
||||
cout.write('\n');
|
||||
}
|
||||
}
|
||||
/** Sign data and write the digital signature to 'out'. */
|
||||
private static void writeSignatureBlock(
|
||||
CMSTypedData data, X509Certificate publicKey, PrivateKey privateKey,
|
||||
OutputStream out)
|
||||
throws IOException,
|
||||
CertificateEncodingException,
|
||||
OperatorCreationException,
|
||||
CMSException {
|
||||
ArrayList<X509Certificate> certList = new ArrayList<>(1);
|
||||
certList.add(publicKey);
|
||||
JcaCertStore certs = new JcaCertStore(certList);
|
||||
CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
|
||||
ContentSigner signer = new JcaContentSignerBuilder(getSignatureAlgorithm(publicKey))
|
||||
.setProvider(sBouncyCastleProvider)
|
||||
.build(privateKey);
|
||||
gen.addSignerInfoGenerator(
|
||||
new JcaSignerInfoGeneratorBuilder(
|
||||
new JcaDigestCalculatorProviderBuilder()
|
||||
.setProvider(sBouncyCastleProvider)
|
||||
.build())
|
||||
.setDirectSignature(true)
|
||||
.build(signer, publicKey));
|
||||
gen.addCertificates(certs);
|
||||
CMSSignedData sigData = gen.generate(data, false);
|
||||
ASN1InputStream asn1 = new ASN1InputStream(sigData.getEncoded());
|
||||
DEROutputStream dos = new DEROutputStream(out);
|
||||
dos.writeObject(asn1.readObject());
|
||||
}
|
||||
/**
|
||||
* Copy all the files in a manifest from input to output. We set
|
||||
* the modification times in the output to a fixed time, so as to
|
||||
* reduce variation in the output file and make incremental OTAs
|
||||
* more efficient.
|
||||
*/
|
||||
private static void copyFiles(Manifest manifest, JarMap in, JarOutputStream out,
|
||||
long timestamp, int alignment) throws IOException {
|
||||
byte[] buffer = new byte[4096];
|
||||
int num;
|
||||
Map<String, Attributes> entries = manifest.getEntries();
|
||||
ArrayList<String> names = new ArrayList<>(entries.keySet());
|
||||
Collections.sort(names);
|
||||
boolean firstEntry = true;
|
||||
long offset = 0L;
|
||||
// We do the copy in two passes -- first copying all the
|
||||
// entries that are STORED, then copying all the entries that
|
||||
// have any other compression flag (which in practice means
|
||||
// DEFLATED). This groups all the stored entries together at
|
||||
// the start of the file and makes it easier to do alignment
|
||||
// on them (since only stored entries are aligned).
|
||||
for (String name : names) {
|
||||
JarEntry inEntry = in.getJarEntry(name);
|
||||
JarEntry outEntry = null;
|
||||
if (inEntry.getMethod() != JarEntry.STORED) continue;
|
||||
// Preserve the STORED method of the input entry.
|
||||
outEntry = new JarEntry(inEntry);
|
||||
outEntry.setTime(timestamp);
|
||||
// 'offset' is the offset into the file at which we expect
|
||||
// the file data to begin. This is the value we need to
|
||||
// make a multiple of 'alignement'.
|
||||
offset += JarFile.LOCHDR + outEntry.getName().length();
|
||||
if (firstEntry) {
|
||||
// The first entry in a jar file has an extra field of
|
||||
// four bytes that you can't get rid of; any extra
|
||||
// data you specify in the JarEntry is appended to
|
||||
// these forced four bytes. This is JAR_MAGIC in
|
||||
// JarOutputStream; the bytes are 0xfeca0000.
|
||||
offset += 4;
|
||||
firstEntry = false;
|
||||
}
|
||||
if (alignment > 0 && (offset % alignment != 0)) {
|
||||
// Set the "extra data" of the entry to between 1 and
|
||||
// alignment-1 bytes, to make the file data begin at
|
||||
// an aligned offset.
|
||||
int needed = alignment - (int)(offset % alignment);
|
||||
outEntry.setExtra(new byte[needed]);
|
||||
offset += needed;
|
||||
}
|
||||
out.putNextEntry(outEntry);
|
||||
InputStream data = in.getInputStream(inEntry);
|
||||
while ((num = data.read(buffer)) > 0) {
|
||||
out.write(buffer, 0, num);
|
||||
offset += num;
|
||||
}
|
||||
out.flush();
|
||||
}
|
||||
// Copy all the non-STORED entries. We don't attempt to
|
||||
// maintain the 'offset' variable past this point; we don't do
|
||||
// alignment on these entries.
|
||||
for (String name : names) {
|
||||
JarEntry inEntry = in.getJarEntry(name);
|
||||
JarEntry outEntry = null;
|
||||
if (inEntry.getMethod() == JarEntry.STORED) continue;
|
||||
// Create a new entry so that the compressed len is recomputed.
|
||||
outEntry = new JarEntry(name);
|
||||
outEntry.setTime(timestamp);
|
||||
out.putNextEntry(outEntry);
|
||||
InputStream data = in.getInputStream(inEntry);
|
||||
while ((num = data.read(buffer)) > 0) {
|
||||
out.write(buffer, 0, num);
|
||||
}
|
||||
out.flush();
|
||||
}
|
||||
}
|
||||
|
||||
// This class is to provide a file's content, but trimming out the last two bytes
|
||||
// Used for signWholeFile
|
||||
private static class CMSProcessableFile implements CMSTypedData {
|
||||
|
||||
private ASN1ObjectIdentifier type;
|
||||
private RandomAccessFile file;
|
||||
|
||||
CMSProcessableFile(File file) throws FileNotFoundException {
|
||||
this.file = new RandomAccessFile(file, "r");
|
||||
type = new ASN1ObjectIdentifier(CMSObjectIdentifiers.data.getId());
|
||||
}
|
||||
|
||||
@Override
|
||||
public ASN1ObjectIdentifier getContentType() {
|
||||
return type;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void write(OutputStream out) throws IOException, CMSException {
|
||||
file.seek(0);
|
||||
int read;
|
||||
byte buffer[] = new byte[4096];
|
||||
int len = (int) file.length() - 2;
|
||||
while ((read = file.read(buffer, 0, len < buffer.length ? len : buffer.length)) > 0) {
|
||||
out.write(buffer, 0, read);
|
||||
len -= read;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object getContent() {
|
||||
return file;
|
||||
}
|
||||
|
||||
byte[] getTail() throws IOException {
|
||||
byte tail[] = new byte[22];
|
||||
file.seek(file.length() - 22);
|
||||
file.readFully(tail);
|
||||
return tail;
|
||||
}
|
||||
}
|
||||
|
||||
private static void signWholeFile(File input, X509Certificate publicKey,
|
||||
PrivateKey privateKey, OutputStream outputStream)
|
||||
throws Exception {
|
||||
ByteArrayOutputStream temp = new ByteArrayOutputStream();
|
||||
// put a readable message and a null char at the start of the
|
||||
// archive comment, so that tools that display the comment
|
||||
// (hopefully) show something sensible.
|
||||
// TODO: anything more useful we can put in this message?
|
||||
byte[] message = "signed by SignApk".getBytes("UTF-8");
|
||||
temp.write(message);
|
||||
temp.write(0);
|
||||
|
||||
CMSProcessableFile cmsFile = new CMSProcessableFile(input);
|
||||
writeSignatureBlock(cmsFile, publicKey, privateKey, temp);
|
||||
|
||||
// For a zip with no archive comment, the
|
||||
// end-of-central-directory record will be 22 bytes long, so
|
||||
// we expect to find the EOCD marker 22 bytes from the end.
|
||||
byte[] zipData = cmsFile.getTail();
|
||||
if (zipData[zipData.length-22] != 0x50 ||
|
||||
zipData[zipData.length-21] != 0x4b ||
|
||||
zipData[zipData.length-20] != 0x05 ||
|
||||
zipData[zipData.length-19] != 0x06) {
|
||||
throw new IllegalArgumentException("zip data already has an archive comment");
|
||||
}
|
||||
int total_size = temp.size() + 6;
|
||||
if (total_size > 0xffff) {
|
||||
throw new IllegalArgumentException("signature is too big for ZIP file comment");
|
||||
}
|
||||
// signature starts this many bytes from the end of the file
|
||||
int signature_start = total_size - message.length - 1;
|
||||
temp.write(signature_start & 0xff);
|
||||
temp.write((signature_start >> 8) & 0xff);
|
||||
// Why the 0xff bytes? In a zip file with no archive comment,
|
||||
// bytes [-6:-2] of the file are the little-endian offset from
|
||||
// the start of the file to the central directory. So for the
|
||||
// two high bytes to be 0xff 0xff, the archive would have to
|
||||
// be nearly 4GB in size. So it's unlikely that a real
|
||||
// commentless archive would have 0xffs here, and lets us tell
|
||||
// an old signed archive from a new one.
|
||||
temp.write(0xff);
|
||||
temp.write(0xff);
|
||||
temp.write(total_size & 0xff);
|
||||
temp.write((total_size >> 8) & 0xff);
|
||||
temp.flush();
|
||||
// Signature verification checks that the EOCD header is the
|
||||
// last such sequence in the file (to avoid minzip finding a
|
||||
// fake EOCD appended after the signature in its scan). The
|
||||
// odds of producing this sequence by chance are very low, but
|
||||
// let's catch it here if it does.
|
||||
byte[] b = temp.toByteArray();
|
||||
for (int i = 0; i < b.length-3; ++i) {
|
||||
if (b[i] == 0x50 && b[i+1] == 0x4b && b[i+2] == 0x05 && b[i+3] == 0x06) {
|
||||
throw new IllegalArgumentException("found spurious EOCD header at " + i);
|
||||
}
|
||||
}
|
||||
cmsFile.write(outputStream);
|
||||
outputStream.write(total_size & 0xff);
|
||||
outputStream.write((total_size >> 8) & 0xff);
|
||||
temp.writeTo(outputStream);
|
||||
}
|
||||
private static void signFile(Manifest manifest, JarMap inputJar,
|
||||
X509Certificate publicKey, PrivateKey privateKey,
|
||||
JarOutputStream outputJar)
|
||||
throws Exception {
|
||||
// Assume the certificate is valid for at least an hour.
|
||||
long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;
|
||||
// MANIFEST.MF
|
||||
JarEntry je = new JarEntry(JarFile.MANIFEST_NAME);
|
||||
je.setTime(timestamp);
|
||||
outputJar.putNextEntry(je);
|
||||
manifest.write(outputJar);
|
||||
je = new JarEntry(CERT_SF_NAME);
|
||||
je.setTime(timestamp);
|
||||
outputJar.putNextEntry(je);
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
writeSignatureFile(manifest, baos, getDigestAlgorithm(publicKey));
|
||||
byte[] signedData = baos.toByteArray();
|
||||
outputJar.write(signedData);
|
||||
// CERT.{EC,RSA} / CERT#.{EC,RSA}
|
||||
final String keyType = publicKey.getPublicKey().getAlgorithm();
|
||||
je = new JarEntry(String.format(CERT_SIG_NAME, keyType));
|
||||
je.setTime(timestamp);
|
||||
outputJar.putNextEntry(je);
|
||||
writeSignatureBlock(new CMSProcessableByteArray(signedData),
|
||||
publicKey, privateKey, outputJar);
|
||||
}
|
||||
}
|
||||
@ -1,231 +0,0 @@
|
||||
package com.topjohnwu.crypto;
|
||||
|
||||
import org.bouncycastle.asn1.ASN1Encodable;
|
||||
import org.bouncycastle.asn1.ASN1EncodableVector;
|
||||
import org.bouncycastle.asn1.ASN1InputStream;
|
||||
import org.bouncycastle.asn1.ASN1Integer;
|
||||
import org.bouncycastle.asn1.ASN1Object;
|
||||
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
|
||||
import org.bouncycastle.asn1.ASN1Primitive;
|
||||
import org.bouncycastle.asn1.ASN1Sequence;
|
||||
import org.bouncycastle.asn1.DEROctetString;
|
||||
import org.bouncycastle.asn1.DERPrintableString;
|
||||
import org.bouncycastle.asn1.DERSequence;
|
||||
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
|
||||
import org.bouncycastle.jce.provider.BouncyCastleProvider;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.security.PrivateKey;
|
||||
import java.security.PublicKey;
|
||||
import java.security.Security;
|
||||
import java.security.cert.CertificateEncodingException;
|
||||
import java.security.cert.CertificateFactory;
|
||||
import java.security.cert.X509Certificate;
|
||||
import java.util.Arrays;
|
||||
|
||||
public class SignBoot {
|
||||
|
||||
static {
|
||||
Security.addProvider(new BouncyCastleProvider());
|
||||
}
|
||||
|
||||
public static boolean doSignature(String target, InputStream imgIn, OutputStream imgOut,
|
||||
InputStream keyIn, InputStream certIn) {
|
||||
try {
|
||||
ByteArrayStream bas = new ByteArrayStream();
|
||||
bas.readFrom(imgIn);
|
||||
byte[] image = bas.toByteArray();
|
||||
bas.close();
|
||||
int signableSize = getSignableImageSize(image);
|
||||
if (signableSize < image.length) {
|
||||
System.err.println("NOTE: truncating input from " +
|
||||
image.length + " to " + signableSize + " bytes");
|
||||
image = Arrays.copyOf(image, signableSize);
|
||||
} else if (signableSize > image.length) {
|
||||
throw new IllegalArgumentException("Invalid image: too short, expected " +
|
||||
signableSize + " bytes");
|
||||
}
|
||||
BootSignature bootsig = new BootSignature(target, image.length);
|
||||
X509Certificate cert = CryptoUtils.readPublicKey(certIn);
|
||||
bootsig.setCertificate(cert);
|
||||
PrivateKey key = CryptoUtils.readPrivateKey(keyIn);
|
||||
bootsig.setSignature(bootsig.sign(image, key),
|
||||
CryptoUtils.getSignatureAlgorithmIdentifier(key));
|
||||
byte[] encoded_bootsig = bootsig.getEncoded();
|
||||
imgOut.write(image);
|
||||
imgOut.write(encoded_bootsig);
|
||||
imgOut.flush();
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace(System.err);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
public static boolean verifySignature(InputStream imgIn, InputStream certPath) {
|
||||
try {
|
||||
ByteArrayStream bas = new ByteArrayStream();
|
||||
bas.readFrom(imgIn);
|
||||
byte[] image = bas.toByteArray();
|
||||
bas.close();
|
||||
int signableSize = getSignableImageSize(image);
|
||||
if (signableSize >= image.length) {
|
||||
System.err.println("Invalid image: not signed");
|
||||
return false;
|
||||
}
|
||||
byte[] signature = Arrays.copyOfRange(image, signableSize, image.length);
|
||||
BootSignature bootsig = new BootSignature(signature);
|
||||
if (certPath != null) {
|
||||
bootsig.setCertificate(CryptoUtils.readPublicKey(certPath));
|
||||
}
|
||||
if (bootsig.verify(Arrays.copyOf(image, signableSize))) {
|
||||
System.err.println("Signature is VALID");
|
||||
return true;
|
||||
} else {
|
||||
System.err.println("Signature is INVALID");
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace(System.err);
|
||||
System.err.println("Invalid image: not signed");
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public static int getSignableImageSize(byte[] data) throws Exception {
|
||||
if (!Arrays.equals(Arrays.copyOfRange(data, 0, 8),
|
||||
"ANDROID!".getBytes("US-ASCII"))) {
|
||||
throw new IllegalArgumentException("Invalid image header: missing magic");
|
||||
}
|
||||
ByteBuffer image = ByteBuffer.wrap(data);
|
||||
image.order(ByteOrder.LITTLE_ENDIAN);
|
||||
image.getLong(); // magic
|
||||
int kernelSize = image.getInt();
|
||||
image.getInt(); // kernel_addr
|
||||
int ramdskSize = image.getInt();
|
||||
image.getInt(); // ramdisk_addr
|
||||
int secondSize = image.getInt();
|
||||
image.getLong(); // second_addr + tags_addr
|
||||
int pageSize = image.getInt();
|
||||
int length = pageSize // include the page aligned image header
|
||||
+ ((kernelSize + pageSize - 1) / pageSize) * pageSize
|
||||
+ ((ramdskSize + pageSize - 1) / pageSize) * pageSize
|
||||
+ ((secondSize + pageSize - 1) / pageSize) * pageSize;
|
||||
length = ((length + pageSize - 1) / pageSize) * pageSize;
|
||||
if (length <= 0) {
|
||||
throw new IllegalArgumentException("Invalid image header: invalid length");
|
||||
}
|
||||
return length;
|
||||
}
|
||||
|
||||
static class BootSignature extends ASN1Object {
|
||||
private ASN1Integer formatVersion;
|
||||
private ASN1Encodable certificate;
|
||||
private AlgorithmIdentifier algorithmIdentifier;
|
||||
private DERPrintableString target;
|
||||
private ASN1Integer length;
|
||||
private DEROctetString signature;
|
||||
private PublicKey publicKey;
|
||||
private static final int FORMAT_VERSION = 1;
|
||||
|
||||
/**
|
||||
* Initializes the object for signing an image file
|
||||
* @param target Target name, included in the signed data
|
||||
* @param length Length of the image, included in the signed data
|
||||
*/
|
||||
public BootSignature(String target, int length) {
|
||||
this.formatVersion = new ASN1Integer(FORMAT_VERSION);
|
||||
this.target = new DERPrintableString(target);
|
||||
this.length = new ASN1Integer(length);
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes the object for verifying a signed image file
|
||||
* @param signature Signature footer
|
||||
*/
|
||||
public BootSignature(byte[] signature)
|
||||
throws Exception {
|
||||
ASN1InputStream stream = new ASN1InputStream(signature);
|
||||
ASN1Sequence sequence = (ASN1Sequence) stream.readObject();
|
||||
formatVersion = (ASN1Integer) sequence.getObjectAt(0);
|
||||
if (formatVersion.getValue().intValue() != FORMAT_VERSION) {
|
||||
throw new IllegalArgumentException("Unsupported format version");
|
||||
}
|
||||
certificate = sequence.getObjectAt(1);
|
||||
byte[] encoded = ((ASN1Object) certificate).getEncoded();
|
||||
ByteArrayInputStream bis = new ByteArrayInputStream(encoded);
|
||||
CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
||||
X509Certificate c = (X509Certificate) cf.generateCertificate(bis);
|
||||
publicKey = c.getPublicKey();
|
||||
ASN1Sequence algId = (ASN1Sequence) sequence.getObjectAt(2);
|
||||
algorithmIdentifier = new AlgorithmIdentifier(
|
||||
(ASN1ObjectIdentifier) algId.getObjectAt(0));
|
||||
ASN1Sequence attrs = (ASN1Sequence) sequence.getObjectAt(3);
|
||||
target = (DERPrintableString) attrs.getObjectAt(0);
|
||||
length = (ASN1Integer) attrs.getObjectAt(1);
|
||||
this.signature = (DEROctetString) sequence.getObjectAt(4);
|
||||
}
|
||||
|
||||
public ASN1Object getAuthenticatedAttributes() {
|
||||
ASN1EncodableVector attrs = new ASN1EncodableVector();
|
||||
attrs.add(target);
|
||||
attrs.add(length);
|
||||
return new DERSequence(attrs);
|
||||
}
|
||||
|
||||
public byte[] getEncodedAuthenticatedAttributes() throws IOException {
|
||||
return getAuthenticatedAttributes().getEncoded();
|
||||
}
|
||||
|
||||
public void setSignature(byte[] sig, AlgorithmIdentifier algId) {
|
||||
algorithmIdentifier = algId;
|
||||
signature = new DEROctetString(sig);
|
||||
}
|
||||
|
||||
public void setCertificate(X509Certificate cert)
|
||||
throws Exception, IOException, CertificateEncodingException {
|
||||
ASN1InputStream s = new ASN1InputStream(cert.getEncoded());
|
||||
certificate = s.readObject();
|
||||
publicKey = cert.getPublicKey();
|
||||
}
|
||||
|
||||
public byte[] generateSignableImage(byte[] image) throws IOException {
|
||||
byte[] attrs = getEncodedAuthenticatedAttributes();
|
||||
byte[] signable = Arrays.copyOf(image, image.length + attrs.length);
|
||||
for (int i=0; i < attrs.length; i++) {
|
||||
signable[i+image.length] = attrs[i];
|
||||
}
|
||||
return signable;
|
||||
}
|
||||
|
||||
public byte[] sign(byte[] image, PrivateKey key) throws Exception {
|
||||
byte[] signable = generateSignableImage(image);
|
||||
return CryptoUtils.sign(key, signable);
|
||||
}
|
||||
|
||||
public boolean verify(byte[] image) throws Exception {
|
||||
if (length.getValue().intValue() != image.length) {
|
||||
throw new IllegalArgumentException("Invalid image length");
|
||||
}
|
||||
byte[] signable = generateSignableImage(image);
|
||||
return CryptoUtils.verify(publicKey, signable, signature.getOctets(),
|
||||
algorithmIdentifier);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ASN1Primitive toASN1Primitive() {
|
||||
ASN1EncodableVector v = new ASN1EncodableVector();
|
||||
v.add(formatVersion);
|
||||
v.add(certificate);
|
||||
v.add(algorithmIdentifier);
|
||||
v.add(getAuthenticatedAttributes());
|
||||
v.add(signature);
|
||||
return new DERSequence(v);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@ -1,42 +0,0 @@
|
||||
package com.topjohnwu.crypto;
|
||||
|
||||
import org.bouncycastle.jce.provider.BouncyCastleProvider;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.InputStream;
|
||||
import java.security.Security;
|
||||
|
||||
public class ZipSigner {
|
||||
public static void main(String[] args) {
|
||||
boolean minSign = false;
|
||||
int argStart = 0;
|
||||
|
||||
if (args.length < 4) {
|
||||
System.err.println("Usage: zipsigner [-m] publickey.x509[.pem] privatekey.pk8 input.jar output.jar");
|
||||
System.exit(2);
|
||||
}
|
||||
|
||||
if (args[0].equals("-m")) {
|
||||
minSign = true;
|
||||
argStart = 1;
|
||||
}
|
||||
|
||||
SignAPK.sBouncyCastleProvider = new BouncyCastleProvider();
|
||||
Security.insertProviderAt(SignAPK.sBouncyCastleProvider, 1);
|
||||
|
||||
File pubKey = new File(args[argStart]);
|
||||
File privKey = new File(args[argStart + 1]);
|
||||
File input = new File(args[argStart + 2]);
|
||||
File output = new File(args[argStart + 3]);
|
||||
|
||||
try (InputStream pub = new FileInputStream(pubKey);
|
||||
InputStream priv = new FileInputStream(privKey);
|
||||
JarMap jar = new JarMap(input, false)) {
|
||||
SignAPK.signZip(pub, priv, jar, output, minSign);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
System.exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,22 +0,0 @@
|
||||
# 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.
|
||||
# Default value: -Xmx10248m -XX:MaxPermSize=256m
|
||||
org.gradle.jvmargs=-Xmx2560m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
|
||||
|
||||
# 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
|
||||
|
||||
# When set to true the Gradle daemon is used to run the build. For local developer builds this is our favorite property.
|
||||
# The developer environment is optimized for speed and feedback so we nearly always run Gradle jobs with the daemon.
|
||||
org.gradle.daemon=true
|
||||
BIN
gradle/wrapper/gradle-wrapper.jar
vendored
BIN
gradle/wrapper/gradle-wrapper.jar
vendored
Binary file not shown.
5
gradle/wrapper/gradle-wrapper.properties
vendored
5
gradle/wrapper/gradle-wrapper.properties
vendored
@ -1,5 +0,0 @@
|
||||
distributionBase=GRADLE_USER_HOME
|
||||
distributionPath=wrapper/dists
|
||||
zipStoreBase=GRADLE_USER_HOME
|
||||
zipStorePath=wrapper/dists
|
||||
distributionUrl=https\://services.gradle.org/distributions/gradle-4.2.1-all.zip
|
||||
172
gradlew
vendored
172
gradlew
vendored
@ -1,172 +0,0 @@
|
||||
#!/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
84
gradlew.bat
vendored
@ -1,84 +0,0 @@
|
||||
@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
|
||||
@ -1 +0,0 @@
|
||||
include ':app', ':snet', ':crypto'
|
||||
1
snet/.gitignore
vendored
1
snet/.gitignore
vendored
@ -1 +0,0 @@
|
||||
/build
|
||||
@ -1,30 +0,0 @@
|
||||
apply plugin: 'com.android.application'
|
||||
|
||||
android {
|
||||
compileSdkVersion 27
|
||||
buildToolsVersion "27.0.1"
|
||||
|
||||
defaultConfig {
|
||||
applicationId "com.topjohnwu.snet"
|
||||
minSdkVersion 21
|
||||
targetSdkVersion 27
|
||||
versionCode 1
|
||||
versionName "1.0"
|
||||
}
|
||||
|
||||
buildTypes {
|
||||
release {
|
||||
minifyEnabled true
|
||||
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
repositories {
|
||||
google()
|
||||
}
|
||||
|
||||
dependencies {
|
||||
implementation fileTree(dir: 'libs', include: ['*.jar'])
|
||||
implementation 'com.google.android.gms:play-services-safetynet:11.6.0'
|
||||
}
|
||||
24
snet/proguard-rules.pro
vendored
24
snet/proguard-rules.pro
vendored
@ -1,24 +0,0 @@
|
||||
# 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
|
||||
|
||||
-keep class com.topjohnwu.snet.SafetyNet* { *; }
|
||||
-dontwarn java.lang.invoke**
|
||||
@ -1,7 +0,0 @@
|
||||
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
package="com.topjohnwu.snet">
|
||||
|
||||
<meta-data
|
||||
android:name="com.google.android.gms.version"
|
||||
android:value="@integer/google_play_services_version" />
|
||||
</manifest>
|
||||
@ -1,5 +0,0 @@
|
||||
package com.topjohnwu.snet;
|
||||
|
||||
public interface SafetyNetCallback {
|
||||
void onResponse(int responseCode);
|
||||
}
|
||||
@ -1,124 +0,0 @@
|
||||
package com.topjohnwu.snet;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.os.Bundle;
|
||||
import android.support.annotation.NonNull;
|
||||
import android.support.annotation.Nullable;
|
||||
import android.util.Base64;
|
||||
|
||||
import com.google.android.gms.common.ConnectionResult;
|
||||
import com.google.android.gms.common.GoogleApiAvailability;
|
||||
import com.google.android.gms.common.api.GoogleApiClient;
|
||||
import com.google.android.gms.common.api.ResultCallback;
|
||||
import com.google.android.gms.common.api.Status;
|
||||
import com.google.android.gms.safetynet.SafetyNet;
|
||||
import com.google.android.gms.safetynet.SafetyNetApi;
|
||||
|
||||
import org.json.JSONException;
|
||||
import org.json.JSONObject;
|
||||
|
||||
import java.lang.reflect.Field;
|
||||
import java.security.SecureRandom;
|
||||
|
||||
public class SafetyNetHelper
|
||||
implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
|
||||
|
||||
public static final int CAUSE_SERVICE_DISCONNECTED = 0x01;
|
||||
public static final int CAUSE_NETWORK_LOST = 0x02;
|
||||
public static final int RESPONSE_ERR = 0x04;
|
||||
public static final int CONNECTION_FAIL = 0x08;
|
||||
|
||||
public static final int BASIC_PASS = 0x10;
|
||||
public static final int CTS_PASS = 0x20;
|
||||
|
||||
private GoogleApiClient mGoogleApiClient;
|
||||
private Activity mActivity;
|
||||
private int responseCode;
|
||||
private SafetyNetCallback cb;
|
||||
private String dexPath;
|
||||
private boolean isDarkTheme;
|
||||
|
||||
public SafetyNetHelper(Activity activity, String dexPath, SafetyNetCallback cb) {
|
||||
mActivity = activity;
|
||||
this.cb = cb;
|
||||
this.dexPath = dexPath;
|
||||
responseCode = 0;
|
||||
|
||||
// Get theme
|
||||
try {
|
||||
Context context = activity.getApplicationContext();
|
||||
Field theme = context.getClass().getField("isDarkTheme");
|
||||
isDarkTheme = (boolean) theme.get(context);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
// Entry point to start test
|
||||
public void attest() {
|
||||
// Connect Google Service
|
||||
mGoogleApiClient = new GoogleApiClient.Builder(mActivity)
|
||||
.addApi(SafetyNet.API)
|
||||
.addOnConnectionFailedListener(this)
|
||||
.addConnectionCallbacks(this)
|
||||
.build();
|
||||
mGoogleApiClient.connect();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onConnectionSuspended(int i) {
|
||||
cb.onResponse(i);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onConnectionFailed(@NonNull ConnectionResult result) {
|
||||
Class<? extends Activity> clazz = mActivity.getClass();
|
||||
try {
|
||||
// Use external resources
|
||||
clazz.getMethod("swapResources", String.class, int.class).invoke(mActivity, dexPath,
|
||||
isDarkTheme ? android.R.style.Theme_Material : android.R.style.Theme_Material_Light);
|
||||
try {
|
||||
GoogleApiAvailability.getInstance().getErrorDialog(mActivity, result.getErrorCode(), 0).show();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
clazz.getMethod("restoreResources").invoke(mActivity);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
cb.onResponse(CONNECTION_FAIL);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onConnected(@Nullable Bundle bundle) {
|
||||
// Create nonce
|
||||
byte[] nonce = new byte[24];
|
||||
new SecureRandom().nextBytes(nonce);
|
||||
|
||||
// Call SafetyNet
|
||||
SafetyNet.SafetyNetApi.attest(mGoogleApiClient, nonce)
|
||||
.setResultCallback(new ResultCallback<SafetyNetApi.AttestationResult>() {
|
||||
@Override
|
||||
public void onResult(@NonNull SafetyNetApi.AttestationResult result) {
|
||||
Status status = result.getStatus();
|
||||
try {
|
||||
if (!status.isSuccess()) throw new JSONException("");
|
||||
String json = new String(Base64.decode(
|
||||
result.getJwsResult().split("\\.")[1], Base64.DEFAULT));
|
||||
JSONObject decoded = new JSONObject(json);
|
||||
responseCode |= decoded.getBoolean("ctsProfileMatch") ? CTS_PASS : 0;
|
||||
responseCode |= decoded.getBoolean("basicIntegrity") ? BASIC_PASS : 0;
|
||||
} catch (JSONException e) {
|
||||
responseCode = RESPONSE_ERR;
|
||||
}
|
||||
|
||||
// Disconnect
|
||||
mGoogleApiClient.disconnect();
|
||||
|
||||
// Return results
|
||||
cb.onResponse(responseCode);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
Before Width: | Height: | Size: 57 KiB After Width: | Height: | Size: 57 KiB |
Some files were not shown because too many files have changed in this diff Show More
Loading…
x
Reference in New Issue
Block a user