app直播源码，android AES加密解密实现

import android.util.Base64;<br>import android.util.Log;<br> <br>import java.security.Key;<br> <br>import javax.crypto.Cipher;<br>import javax.crypto.SecretKeyFactory;<br>import javax.crypto.spec.DESedeKeySpec;<br>import javax.crypto.spec.IvParameterSpec;<br> <br>/**<br> * Created by Jane on 2017/10/10.<br> */<br> <br>public class CryptoTools {<br>    public static final String keyStr = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4";<br>    private static byte[] key= Base64.decode(keyStr.getBytes(),Base64.DEFAULT);<br>    private static byte[] keyiv = { 1, 2, 3, 4, 5, 6, 7, 8 };<br>    /**<br>     * ECB加密,不要IV<br>     * @param data 明文<br>     * @return Base64编码的密文<br>     * @throws Exception<br>     */<br>    public static byte[] des3EncodeECB(byte[] data)<br>            throws Exception {<br>        Key deskey = null;<br>        DESedeKeySpec spec = new DESedeKeySpec(key);<br>        SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");<br>        deskey = keyfactory.generateSecret(spec);<br>        Cipher cipher = Cipher.getInstance("desede" + "/ECB/PKCS5Padding");<br>        cipher.init(Cipher.ENCRYPT_MODE, deskey);<br>        byte[] bOut = cipher.doFinal(data);<br>        return bOut;<br>    }<br> <br>    /**<br>     * ECB解密,不要IV<br>     * @param data Base64编码的密文<br>     * @return 明文<br>     * @throws Exception<br>     */<br>    public static byte[] ees3DecodeECB(byte[] data)<br>            throws Exception {<br>        Key deskey = null;<br>        DESedeKeySpec spec = new DESedeKeySpec(key);<br>        SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");<br>        deskey = keyfactory.generateSecret(spec);<br>        Cipher cipher = Cipher.getInstance("desede" + "/ECB/PKCS5Padding");<br>        Log.i("des", "decode init before");<br>        cipher.init(Cipher.DECRYPT_MODE, deskey);<br>        Log.i("des", "decode init after" + new String(data,"UTF-8"));<br>        byte[] bOut = cipher.doFinal(data);<br>        Log.i("des", "decode doFinal after");<br>        return bOut;<br> <br>    }<br> <br>    /**<br>     * CBC加密<br> <br>     * @param data 明文<br>     * @return Base64编码的密文<br>     * @throws Exception<br>     */<br>    public static byte[] des3EncodeCBC( byte[] data)<br>            throws Exception {<br>        Key deskey = null;<br>        DESedeKeySpec spec = new DESedeKeySpec(key);<br>        SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");<br>        deskey = keyfactory.generateSecret(spec);<br>        Cipher cipher = Cipher.getInstance("desede" + "/CBC/PKCS5Padding");<br>        IvParameterSpec ips = new IvParameterSpec(keyiv);<br>        cipher.init(Cipher.ENCRYPT_MODE, deskey, ips);<br>        byte[] bOut = cipher.doFinal(data);<br>        return bOut;<br>    }<br> <br>    /**<br>     * CBC解密<br> <br>     * @param data Base64编码的密文<br>     * @return 明文<br>     * @throws Exception<br>     */<br>    public static byte[] des3DecodeCBC(byte[] data)<br>            throws Exception {<br> <br>        Key deskey = null;<br>        DESedeKeySpec spec = new DESedeKeySpec(key);<br>        SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");<br>        deskey = keyfactory.generateSecret(spec);<br>        Cipher cipher = Cipher.getInstance("desede" + "/CBC/PKCS5Padding");<br>        IvParameterSpec ips = new IvParameterSpec(keyiv);<br>        cipher.init(Cipher.DECRYPT_MODE, deskey, ips);<br>        byte[] bOut = cipher.doFinal(data);<br>        return bOut;<br> <br>    }<br>}<br> <br> <br>加密：<br> byte[] temp = CryptoTools.des3EncodeECB(getString(R.string.app_url_use).getBytes("UTF-8"));<br>String  message = new String(Base64.encode(temp, Base64.DEFAULT),"UTF-8");<br>解密:<br>byte[] tmpt = Base64.decode(getString(R.string.app_url_use).getBytes("UTF-8"), Base64.DEFAULT);<br>tmpt = CryptoTools.ees3DecodeECB(tmpt);<br>String str = new String(tmpt, "UTF-8");<br> 