protected void engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException {
if (params != null && params instanceof RC2ParameterSpec) {
embeddedCipher.initEffectiveKeyBits(((RC2ParameterSpec) params).getEffectiveKeyBits());
} else {
embeddedCipher.initEffectiveKeyBits(0);
}
core.init(opmode, key, params, random);
}
protected void engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException {
if (params != null && params.getAlgorithm().equals("RC2")) {
try {
RC2ParameterSpec rc2Params = params.getParameterSpec(RC2ParameterSpec.class);
engineInit(opmode, key, rc2Params, random);
} catch (InvalidParameterSpecException ipse) {
throw new InvalidAlgorithmParameterException("Wrong parameter type: RC2 expected");
}
} else {
embeddedCipher.initEffectiveKeyBits(0);
core.init(opmode, key, params, random);
}
}
protected AlgorithmParameters engineGetParameters() {
return core.getParameters("RC2");
}
protected void engineInit(int opmode, Key key, SecureRandom random) throws InvalidKeyException {
embeddedCipher.initEffectiveKeyBits(0);
core.init(opmode, key, random);
}
protected int engineGetOutputSize(int inputLen) {
return core.getOutputSize(inputLen);
}
protected byte[] engineGetIV() {
return core.getIV();
}
protected void engineSetMode(String mode) throws NoSuchAlgorithmException {
core.setMode(mode);
}
protected void engineSetPadding(String paddingScheme) throws NoSuchPaddingException {
core.setPadding(paddingScheme);
}
protected byte[] engineWrap(Key key) throws IllegalBlockSizeException, InvalidKeyException {
return core.wrap(key);
}
protected Key engineUnwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, int wrappedKeyType)
throws InvalidKeyException, NoSuchAlgorithmException {
return core.unwrap(wrappedKey, wrappedKeyAlgorithm, wrappedKeyType);
}
protected int engineGetKeySize(Key key) throws InvalidKeyException {
byte[] keyBytes = CipherCore.getKeyBytes(key);
RC2Crypt.checkKey(key.getAlgorithm(), keyBytes.length);
return keyBytes.length << 3;
}
protected int engineDoFinal(byte[] in, int inOfs, int inLen, byte[] out, int outOfs)
throws IllegalBlockSizeException, ShortBufferException, BadPaddingException {
return core.doFinal(in, inOfs, inLen, out, outOfs);
}
protected byte[] engineDoFinal(byte[] in, int inOfs, int inLen)
throws IllegalBlockSizeException, BadPaddingException {
return core.doFinal(in, inOfs, inLen);
}
protected int engineUpdate(byte[] in, int inOfs, int inLen, byte[] out, int outOfs)
throws ShortBufferException {
return core.update(in, inOfs, inLen, out, outOfs);
}
protected byte[] engineUpdate(byte[] in, int inOfs, int inLen) {
return core.update(in, inOfs, inLen);
}