PKCS1Encoding.processBlock(Unknown Source)

[i_p_addr]

hi any one,

i got this error while running app:

org.bouncycastle.crypto.InvalidCipherTextException: unknown block type
at org.bouncycastle.crypto.encodings.PKCS1Encoding.decodeBlock(Unknown Source)
at org.bouncycastle.crypto.encodings.PKCS1Encoding.processBlock(Unknown Source)
at SecureGprs.RSADecrypt(SecureGprs.java:267)

the source like this :

public byte [] RSADecrypt (byte [] toDecrypt,RSAPrivateCrtKeyParameters _RSAPrivateKey) throws Exception
{
if (_RSAPrivateKey == null)
{
throw new Exception("Please generate RSA keys first in order to work");
}
AsymmetricBlockCipher theEngine = new RSAEngine();
theEngine = new PKCS1Encoding(theEngine);
theEngine.init(false, _RSAPrivateKey);
System.out.println("Decrypting length:"+toDecrypt.length);
// the statement below give an error above
return theEngine.processBlock(toDecrypt, 0, toDecrypt.length);
}

could any one help me?
thank

[malathy29]

hi any one,

i got this error while running app:

org.bouncycastle.crypto.InvalidCipherTextException: unknown block type
at org.bouncycastle.crypto.encodings.PKCS1Encoding.decodeBlock(Unknown Source)
at org.bouncycastle.crypto.encodings.PKCS1Encoding.processBlock(Unknown Source)
at SecureGprs.RSADecrypt(SecureGprs.java:267)

the source like this :

public byte [] RSADecrypt (byte [] toDecrypt,RSAPrivateCrtKeyParameters _RSAPrivateKey) throws Exception
{
if (_RSAPrivateKey == null)
{
throw new Exception("Please generate RSA keys first in order to work");
}
AsymmetricBlockCipher theEngine = new RSAEngine();
theEngine = new PKCS1Encoding(theEngine);
theEngine.init(false, _RSAPrivateKey);
System.out.println("Decrypting length:"+toDecrypt.length);
// the statement below give an error above
return theEngine.processBlock(toDecrypt, 0, toDecrypt.length);
}

could any one help me?
Thanks in advance..