.net
static void Main(string[] args)
{
string encryptKey = ".netkean";
string plaintexta = EncryptDES("123456", encryptKey);
string ddes = DecryptDES(plaintexta, encryptKey);
//Console.WriteLine(plaintext);
Console.WriteLine(plaintexta);
Console.WriteLine(ddes);
Console.ReadKey();
}
public static string EncryptDES(string encryptString, string encryptKey)
{
DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey);
byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, new byte[8]), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
return Convert.ToBase64String(mStream.ToArray());
}
public static string DecryptDES(string decryptString, string decryptKey)
{
byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey);
byte[] inputByteArray = Convert.FromBase64String(decryptString);
DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, new byte[8]), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
return Encoding.UTF8.GetString(mStream.ToArray());
}
java
public static void main(String[] args) {
String encryptKey =".netkean";
//加密
try {
String dec = encryptDES("123456",encryptKey);
String ddec = decryptDES(dec,encryptKey);
} catch (Exception e) {
e.printStackTrace();
}
}
public static String encryptDES(String encryptString, String encryptKey) throws Exception {
IvParameterSpec zeroIv = new IvParameterSpec(new byte[8]);
SecretKeySpec key = new SecretKeySpec(encryptKey.getBytes(), "DES");
Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, key, zeroIv);
byte[] encryptedData = cipher.doFinal(encryptString.getBytes());
return new BASE64Encoder().encode(encryptedData);
}
public static String decryptDES(String decryptString, String decryptKey) throws Exception {
byte[] byteMi = new BASE64Decoder().decodeBuffer(decryptString);
IvParameterSpec zeroIv = new IvParameterSpec(new byte[8]);
SecretKeySpec key = new SecretKeySpec(decryptKey.getBytes(), "DES");
Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, key, zeroIv);
byte decryptedData[] = cipher.doFinal(byteMi);
return new String(decryptedData);
}