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// 解密 Base64(3DES(消息体))
public static String decrypt(String args, String key) {
try {
Des3Util d3u = new Des3Util();
Security.addProvider(new com.sun.crypto.provider.SunJCE());
return d3u.decryptFromBase64(key, args, "UTF-8");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public String decryptFromBase64(String key, String src, String encoding) {
try {
BASE64Decoder decoder = new BASE64Decoder();
return new String(
decrypt(key.getBytes(), decoder.decodeBuffer(src)),
encoding);
} catch (Exception ex) {
return null;
// ex.printStackTrace();
}
}
public static string DES3Decrypt(string data, string key)
{
TripleDESCryptoServiceProvider DES = new TripleDESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(key);
DES.Mode = CipherMode.ECB;
DES.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
ICryptoTransform DESDecrypt = DES.CreateDecryptor();
string result = "";
try
{
byte[] Buffer = Convert.FromBase64String(data);
result = ASCIIEncoding.ASCII.GetString(DESDecrypt.TransformFinalBlock(Buffer, 0, Buffer.Length));
}
catch (Exception e)
{
}
return result;
}
[/quote]
多谢分享
public static string DES3Decrypt(string data, string key)
{
TripleDESCryptoServiceProvider DES = new TripleDESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(key);
DES.Mode = CipherMode.ECB;
DES.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
ICryptoTransform DESDecrypt = DES.CreateDecryptor();
string result = "";
try
{
byte[] Buffer = Convert.FromBase64String(data);
result = ASCIIEncoding.ASCII.GetString(DESDecrypt.TransformFinalBlock(Buffer, 0, Buffer.Length));
}
catch (Exception e)
{
}
return result;
}
[/quote]
应该是ecb,平台是ecb模式加密的。
public static string DES3Decrypt(string data, string key)
{
TripleDESCryptoServiceProvider DES = new TripleDESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(key);
DES.Mode = CipherMode.ECB;
DES.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
ICryptoTransform DESDecrypt = DES.CreateDecryptor();
string result = "";
try
{
byte[] Buffer = Convert.FromBase64String(data);
result = ASCIIEncoding.ASCII.GetString(DESDecrypt.TransformFinalBlock(Buffer, 0, Buffer.Length));
}
catch (Exception e)
{
}
return result;
}