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KoswuKoswu
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‎.gitignore

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# Built application files
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*.apk
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*.ap_
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# Files for the Dalvik VM
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*.dex
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# Java class files
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*.class
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# Generated files
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bin/
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gen/
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# Gradle files
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.gradle/
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build/
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# Local configuration file (sdk path, etc)
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local.properties
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# Proguard folder generated by Eclipse
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proguard/
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# Log Files
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*.log
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# Android Studio Navigation editor temp files
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.navigation/
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# Android Studio captures folder
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captures/
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/build

‎app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 23
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buildToolsVersion "23.0.2"
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defaultConfig {
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applicationId "com.koswu.kpassword"
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minSdkVersion 14
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targetSdkVersion 23
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versionCode 1
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versionName "0.1.0_alpha"
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}
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buildTypes {
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release {
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minifyEnabled 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 'com.android.support:appcompat-v7:+'
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compile fileTree(dir: 'libs', include: ['*.jar'])
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}

‎app/proguard-rules.pro

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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 C:\tools\adt-bundle-windows-x86_64-20131030\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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#}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.koswu.kpassword">
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<application
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android:allowBackup="true"
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android:icon="@mipmap/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>

‎app/src/main/java/com/koswu/kpassword/MainActivity.java

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package com.koswu.kpassword;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.text.TextUtils;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.koswu.kpassword.MainActivity;
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import com.koswu.kpassword.tool.PassWord;
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public class MainActivity extends AppCompatActivity
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{
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private Button button_create=null;
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private Button button_copy=null;
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private EditText edittext_memory_password=null;
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private EditText edittext_diff_code=null;
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TextView textview_created_password=null;
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String created_password="";
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@Override
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protected void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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setContentView(R.layout.main);
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button_create=(Button)findViewById(R.id.button_create);
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button_copy=(Button)findViewById(R.id.button_copy);
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edittext_memory_password=(EditText)findViewById(R.id.edittext_input_password);
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edittext_diff_code=(EditText)findViewById(R.id.edittext_input_code);
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textview_created_password=(TextView)findViewById(R.id.textview_password);
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button_create.setOnClickListener(new OnClickListener()
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{
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@Override
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public void onClick(View p1)
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{
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// TODO: Implement this method
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String diff_code=edittext_diff_code.getText().toString();
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String memory_password=edittext_memory_password.getText().toString();
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if(!(
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TextUtils.isEmpty(diff_code)||
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TextUtils.isEmpty(memory_password)
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))
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{
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try
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{
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created_password=PassWord.CreatePassword(memory_password,diff_code);
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}
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catch (Exception e)
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{
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e.printStackTrace();
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}
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textview_created_password.setText(created_password);
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}
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else
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{
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textview_created_password.setText("Unknown");
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}
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}
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});
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button_copy.setOnClickListener(new OnClickListener()
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{
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@Override
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public void onClick(View p1)
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{
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// TODO: Implement this method
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ClipboardManager clipboard = (ClipboardManager)getSystemService(Context.CLIPBOARD_SERVICE);
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clipboard.setText(created_password.trim());
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Toast.makeText(MainActivity.this,"已复制，酷爱拿去用吧",Toast.LENGTH_SHORT).show();
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}
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});
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}
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}

‎app/src/main/java/com/koswu/kpassword/tool/PassWord.java

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package com.koswu.kpassword.tool;
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import java.io.UnsupportedEncodingException;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.spec.InvalidKeySpecException;
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import javax.crypto.Mac;
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import javax.crypto.SecretKey;
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import javax.crypto.SecretKeyFactory;
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import javax.crypto.spec.PBEKeySpec;
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import javax.crypto.spec.SecretKeySpec;
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import android.util.Base64;
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public class PassWord
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{
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private static final String UTF_8="UTF-8";
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private static final String HMAC_SHA256="HmacSHA256";
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//private static final char[] DIGITS_LOWER = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd','e', 'f' };
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//private static final String PASSWORD_DIC="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_-";
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public static String CreatePassword(String memory_password,String diff_code) throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeyException
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{
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String transformd_string= EncodeHmacSHA256(memory_password,diff_code);
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String len16_string;
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int transformd_string_lenth=transformd_string.length();
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char head_char=transformd_string.charAt(0);
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if (head_char=='_'||
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head_char=='-'||
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Character.isDigit(head_char))
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{
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len16_string=transformd_string.substring(transformd_string_lenth-17,transformd_string_lenth-1);
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head_char=len16_string.charAt(0);
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if (head_char=='_'||
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head_char=='-'||
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Character.isDigit(head_char))
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{
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len16_string="K"+len16_string.substring(1,16);
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}
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}
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else
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{
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len16_string=transformd_string.substring(0,16);
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}
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return len16_string;
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}
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private static String EncodeHmacSHA256 (String password_string,String key_string) throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException
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{
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byte password_bytes[]=password_string.getBytes(UTF_8);
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byte code_bytes[]=key_string.getBytes(UTF_8);
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SecretKey secret_key=new SecretKeySpec(code_bytes,HMAC_SHA256);
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String result_string;
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Mac mac=Mac.getInstance(secret_key.getAlgorithm());
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mac.init(secret_key);
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byte result_bytes[]=mac.doFinal(password_bytes);
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result_string=ByteToBASE64(result_bytes);
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/*if (result_string.charAt(0)=='-')
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{
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result_string.replace('-','K');
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}
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if (result_string.charAt(0)=='_')
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{
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result_string.replace('_','K');
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}*/
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return result_string;
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}
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private static String ByteToBASE64(byte []datas)
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{
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return Base64.encodeToString(datas,Base64.URL_SAFE|Base64.NO_PADDING|Base64.NO_WRAP);
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}
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private static byte[] pbkdf2(char[] key, int iterations, int bytes)
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throws NoSuchAlgorithmException, InvalidKeySpecException
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{
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byte salt[] = {2,3,3,3,3,3,3,3};
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PBEKeySpec spec = new PBEKeySpec(key, salt, iterations, bytes * 8);
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SecretKeyFactory skf = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
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return skf.generateSecret(spec).getEncoded();
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}
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}

‎app/src/main/res/layout/main.xml

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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical">
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<TextView
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:text="@string/memory_password"/>
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<EditText
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android:id="@+id/edittext_input_password"
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:hint="@string/input_your_password"
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android:inputType="textPassword"/>
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<TextView
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:text="@string/diff_code"/>
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<EditText
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android:id="@+id/edittext_input_code"
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:hint="@string/input_your_code"/>
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<Button
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android:id="@+id/button_create"
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:text="@string/create"/>
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<TextView
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:text="@string/password_create_area"/>
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<TextView
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android:id="@+id/textview_password"
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android:layout_height="wrap_content"
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android:layout_width="wrap_content"
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android:textSize="30dip"
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android:text="Unknown"/>
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<Button
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android:id="@+id/button_copy"
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android:layout_height="wrap_content"
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android:layout_width="match_parent"
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android:text="@string/copy"/>
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<TextView
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="内部测试版本"/>
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</LinearLayout>

‎app/src/main/res/mipmap-hdpi/ic_launcher.png

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‎app/src/main/res/mipmap-mdpi/ic_launcher.png

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‎app/src/main/res/mipmap-xhdpi/ic_launcher.png

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