Package org.bouncycastle.crypto

Examples of org.bouncycastle.crypto.CipherParameters

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        Key                     key,
        AlgorithmParameterSpec  params,
        SecureRandom            random)
    throws InvalidKeyException, InvalidAlgorithmParameterException
    {
        CipherParameters        param;

        if (key instanceof JCEPBEKey)
        {
            JCEPBEKey   k = (JCEPBEKey)key;
           
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            throw new InvalidAlgorithmParameterException("must be passed IES parameters");
        }

        IESKey       ieKey = (IESKey)key;

        CipherParameters pubKey;
        CipherParameters privKey;

        if (ieKey.getPublic() instanceof ECPublicKey)
        {
            pubKey = ECUtil.generatePublicKeyParameter(ieKey.getPublic());
            privKey = ECUtil.generatePrivateKeyParameter(ieKey.getPrivate());
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        Key                     key,
        AlgorithmParameterSpec  params,
        SecureRandom            random)
        throws InvalidKeyException, InvalidAlgorithmParameterException
    {
        CipherParameters        param;

        this.pbeSpec = null;
        this.pbeAlgorithm = null;
       
        this.engineParams = null;
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        Key                     key,
        AlgorithmParameterSpec  params,
        SecureRandom            random)
    throws InvalidKeyException
    {
        CipherParameters        param;

        if (params == null)
        {
            if (key instanceof ElGamalPublicKey)
            {
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        this.outBuf = Unpooled.buffer();
        initialize(encipher, key, iv);
    }

    private void initialize(boolean encipher, ByteBuf key, ByteBuf iv) throws InvalidKeyException {
        CipherParameters params = null;

        byte[] keyBytes = new byte[key.readableBytes()];
        key.readBytes(keyBytes);

        params = new KeyParameter(keyBytes);
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    protected void initCipherEncrypt(Key key, AlgorithmParameterSpec params,
                                     SecureRandom sr)
        throws InvalidKeyException,
        InvalidAlgorithmParameterException
    {
        CipherParameters param;
        param = McElieceCCA2KeysToParams.generatePublicKeyParameter((PublicKey)key);

        param = new ParametersWithRandom(param, sr);
        digest.reset();
        cipher.init(true, param);
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    }

    protected void initCipherDecrypt(Key key, AlgorithmParameterSpec params)
        throws InvalidKeyException, InvalidAlgorithmParameterException
    {
        CipherParameters param;
        param = McElieceCCA2KeysToParams.generatePrivateKeyParameter((PrivateKey)key);

        digest.reset();
        cipher.init(false, param);
    }
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        throws InvalidKeyException,
        InvalidAlgorithmParameterException
    {

        buf.reset();
        CipherParameters param;
        param = McElieceCCA2KeysToParams.generatePublicKeyParameter((PublicKey)key);

        param = new ParametersWithRandom(param, sr);
        digest.reset();
        cipher.init(true, param);
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    protected void initCipherDecrypt(Key key, AlgorithmParameterSpec params)
        throws InvalidKeyException, InvalidAlgorithmParameterException
    {

        buf.reset();
        CipherParameters param;
        param = McElieceCCA2KeysToParams.generatePrivateKeyParameter((PrivateKey)key);

        digest.reset();
        cipher.init(false, param);
    }
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            generator.init(
                PBEParametersGenerator.PKCS5PasswordToBytes(password),
                salt,
                iterationCount);
   
            CipherParameters    param;
   
            if (scheme.getObjectId().equals(RC2_CBC))
            {
                RC2CBCParameter rc2Params = new RC2CBCParameter((ASN1Sequence)scheme.getObject());
                byte[]  iv = rc2Params.getIV();
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