c#:

///

/// 完整

///

public class TripleDESHelper1

{

public static string Encrypt(string aStrString, string aStrKey, CipherMode mode = CipherMode.ECB, string iv = "12345678")

{

try

{

var des = new TripleDESCryptoServiceProvider

{

Key = Encoding.UTF8.GetBytes(aStrKey.Substring(0, 24)),//长度必须24个字节

Mode = mode

};

if (mode == CipherMode.ECB)

{

des.IV = Encoding.UTF8.GetBytes(iv);

}

var desEncrypt = des.CreateEncryptor();

byte[] buffer = Encoding.UTF8.GetBytes(aStrString);

return Convert.ToBase64String(desEncrypt.TransformFinalBlock(buffer, 0, buffer.Length));

}

catch (Exception e)

{

return string.Empty;

}

}

public static string Decrypt(string aStrString, string aStrKey, CipherMode mode = CipherMode.ECB, string iv = "12345678")

{

try

{

var des = new TripleDESCryptoServiceProvider

{

Key = Encoding.UTF8.GetBytes(aStrKey.Substring(0, 24)),//长度必须24个字节

Mode = mode,

Padding = PaddingMode.PKCS7

};

if (mode == CipherMode.CBC)

{

des.IV = Encoding.UTF8.GetBytes(iv);

}

var desDecrypt = des.CreateDecryptor();

var result = "";

byte[] buffer = Convert.FromBase64String(aStrString);

result = Encoding.UTF8.GetString(desDecrypt.TransformFinalBlock(buffer, 0, buffer.Length));

return result;

}

catch (Exception e)

{

return string.Empty;

}

}

}

public class TripleDESHelper

{

static byte[] IV = Encoding.UTF8.GetBytes("12345678");

public static string Encrypt(string content, string key)

{

try

{

var tDes = new TripleDESCryptoServiceProvider

{

Key = Encoding.UTF8.GetBytes(key.Substring(0, 24)),//长度必须24个字节

Mode = CipherMode.ECB,

IV = IV

};

var desEncrypt = tDes.CreateEncryptor();

byte[] buffer = Encoding.UTF8.GetBytes(content);

return Convert.ToBase64String(desEncrypt.TransformFinalBlock(buffer, 0, buffer.Length));

}

catch (Exception e)

{

return string.Empty;

}

}

public static string Decrypt(string content, string key)

{

try

{

var tDes = new TripleDESCryptoServiceProvider

{

Key = Encoding.UTF8.GetBytes(key.Substring(0, 24)),//长度必须24个字节

Mode = CipherMode.ECB,

Padding = PaddingMode.PKCS7

};

var desDecrypt = tDes.CreateDecryptor();

byte[] buffer = Convert.FromBase64String(content);

var result = Encoding.UTF8.GetString(desDecrypt.TransformFinalBlock(buffer, 0, buffer.Length));

return result;

}

catch (Exception e)

{

return string.Empty;

}

}

}

测试：

static void Main(string[] args)

{

//4C012206573169BF8E9F36BCF5D4125E      //YFjDtE5ywAM=

string key = "4C012206573169BF8E9F36BC5D4125E";

string content = "123";

var val2 = TripleDESHelper.Encrypt(content, key);

var val3 = TripleDESHelper.Decrypt(val2, key);

Console.WriteLine("over");

Console.Read();

}

JAVA:

package com.yfpal.mpay.util;

import java.security.Key;

import java.security.SecureRandom;

import javax.crypto.Cipher;

import javax.crypto.SecretKey;

import javax.crypto.SecretKeyFactory;

import javax.crypto.spec.DESedeKeySpec;

import org.apache.commons.codec.binary.Base64;

public class DesUtil {

/**

* 3DES加密

*

* @param data

*            数据

* @param key

*            密钥

* @return

*/

public static String encode(String data, String key) {

try {

DESedeKeySpec dks = new DESedeKeySpec(key.getBytes());

SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");

Key secretKey = keyFactory.generateSecret(dks);

Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");

cipher.init(Cipher.ENCRYPT_MODE, secretKey, new SecureRandom());

return Base64.encodeBase64String(cipher.doFinal(data.getBytes("utf-8")));

} catch (Exception e) {

e.printStackTrace();

}

return null;

}

public static void main(String[] args) {

String minganKey = "OPJURIZFIWZWJIFDNXUXWSMFILOCLJQK";

System.out.println(minganKey);

System.out.println("dy9OMCtSK1ZoZ0FMUDZOWjUwQ2tlLzZvN2xKNVN4bFMwSFQ0YVY0QXBWUHAzYW84YjViWS9ydEY2U1JEUjlmV1hkcjhYMG1veGs3QXdzSmxHQ0QxNno3NXhha3hxdlkyN0U5U0EyQWxKNUk9".length());

String s=decode("dy9OMCtSK1ZoZ0FMUDZOWjUwQ2tlLzZvN2xKNVN4bFMwSFQ0YVY0QXBWUHAzYW84YjViWS9ydEY2U1JEUjlmV1hkcjhYMG1veGs3QXdzSmxHQ0QxNno3NXhha3hxdlkyN0U5U0EyQWxKNUk9", minganKey);

System.out.println(s);

}

/**

* 3DES解密

*

* @param key

*            密钥

* @param data

*            密文

* @return

*/

public static String decode(String data, String key) {

try {

Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");

DESedeKeySpec dks = new DESedeKeySpec(key.getBytes());

SecretKey sk = SecretKeyFactory.getInstance("DESede").generateSecret(dks);

cipher.init(Cipher.DECRYPT_MODE, sk);

byte[] result = cipher.doFinal(Base64.decodeBase64(data));

return new String(result, "utf-8");

} catch (Exception e) {

e.printStackTrace();

}

return null;

}

public static byte[] hexStringToByteArray(String text) {

if (text == null)

return null;

byte[] result = new byte[text.length() / 2];

for (int i = 0; i < result.length; ++i) {

int x = Integer.parseInt(text.substring(i * 2, i * 2 + 2), 16);

result[i] = x <= 127 ? (byte) x : (byte) (x - 256);

}

return result;

}

public static String byteArrayToHexString(byte data[]) {

String result = "";

for (int i = 0; i < data.length; i++) {

int v = data[i] & 0xFF;

String hv = Integer.toHexString(v);

if (hv.length() < 2) {

result += "0";

}

result += hv;

}

return result;

}

}