CryptTool 封装了一些加密工具方法-实用

CryptTool 封装了一些加密工具方法-实用(5)   return value;
 }

 /** Test crypt */
 public static void main(String[] args) {
  byte src_byte[] = "1234567812345678".getBytes();
  System.out.println(src_byte.length);
  byte key_byte[] = "123456781234567812345678".getBytes();
  // 3DES 24 bytes key

  try {
   // 生成DES密钥
   Javax.crypto.SecretKey deskey;
   //生成DES密钥
   //      Javax.crypto.KeyGenerator key = Javax.crypto.KeyGenerator.getInstance(
   //          "DES");
   //      key.init(56);
   //      deskey = key.generateKey();

   deskey = genDESKey(key_byte);
   System.out.println("Generator DES KEY OK");

   // DES加解密
   byte[] encrypt, decrypt;
   //加密
   encrypt = desEncrypt(deskey, src_byte);
   System.out.println("encrypt=" + new String(encrypt));
   //解密
   decrypt = desDecrypt(deskey, encrypt);
   System.out.println("decrypt=" + new String(decrypt));

   //      String s = "12345678";
   //      //加密
   //      s = desEncrypt(deskey, s);
   //      System.out.println("encrypt=" + s);
   //      //解密
   //      s = desDecrypt(deskey, s);
   //      System.out.println("decrypt=" + s);