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C#Comment faire ceci: J2ME crypter C# decrypt Et J2ME décrypter C# encrypt?
string keystr = "abcdefabcdef";
string plainText = "www.bouncycastle.org";
RijndaelManaged crypto = new RijndaelManaged();
crypto.KeySize = 128;
crypto.Mode = CipherMode.CBC;
crypto.Padding = PaddingMode.PKCS7;
crypto.Key = keystr.ToCharArray().Select(c=>(byte)c).ToArray();
// get the IV and key for writing to a file
byte[] iv = crypto.IV;
byte[] key = crypto.Key;
// turn the message into bytes
// use UTF8 encoding to ensure that Java can read in the file properly
byte[] plainBytes = Encoding.UTF8.GetBytes(plainText.ToCharArray());
// Encrypt the Text Message using AES (Rijndael) (Symmetric algorithm)
ICryptoTransform sse = crypto.CreateEncryptor();
MemoryStream encryptedFs = new MemoryStream();
CryptoStream cs = new CryptoStream(encryptedFs, sse, CryptoStreamMode.Write);
try
{
cs.Write(plainBytes, 0, plainBytes.Length);
cs.FlushFinalBlock();
encryptedFs.Position = 0;
string result = string.Empty;
for (int i = 0; i < encryptedFs.Length; i++)
{
int read = encryptedFs.ReadByte();
result += read.ToString("x2");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
finally
{
encryptedFs.Close();
cs.Close();
}
}
Java:
private String key = "abcdefabcdef";
private String plainText = "www.bouncycastle.org";
cipherText = performEncrypt(Hex.decode(key.getBytes()), plainText);
private byte[] performEncrypt(byte[] key, String plainText)
{
byte[] ptBytes = plainText.getBytes();
final RijndaelEngine rijndaelEngine = new RijndaelEngine();
cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(rijndaelEngine));
String name = cipher.getUnderlyingCipher().getAlgorithmName();
message("Using " + name);
byte[]iv = new byte[16];
final KeyParameter keyParameter = new KeyParameter(key);
cipher.init(true, keyParameter);
byte[] rv = new byte[cipher.getOutputSize(ptBytes.length)];
int oLen = cipher.processBytes(ptBytes, 0, ptBytes.length, rv, 0);
try
{
cipher.doFinal(rv, oLen);
}
catch (CryptoException ce)
{
message("Ooops, encrypt exception");
status(ce.toString());
}
return rv;
}
C# produit: ff53bc51c0caf5de53ba850f7ba08b58345a89a51356d0e030ce1367606c5f08
java produit: 375c52fd202696dba679e57f612ee95e707ccb05aff368b62b2802d5fb685403
Quelqu'un peut me aider à réparer mon code?