app直播源码，android AES加密解密实现

 app直播源码，android AES加密解密实现

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

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