Package javax.crypto.spec

Examples of javax.crypto.spec.IvParameterSpec

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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("DES", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            param = new KeyParameter(key.getEncoded());
        }

        if (params instanceof IvParameterSpec)
        {
            IvParameterSpec iv = (IvParameterSpec) params;
            param = new ParametersWithIV(param, iv.getIV());
        }

        if (param instanceof KeyParameter && ivSize != 0)
        {
            iv = new byte[ivSize];
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("RC5", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("Noekeon", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("CAST5", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            Class paramSpec)
            throws InvalidParameterSpecException
        {
            if (paramSpec == IvParameterSpec.class)
            {
                return new IvParameterSpec(iv);
            }

            throw new InvalidParameterSpecException("unknown parameter spec passed to CAST5 parameters object.");
        }
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                SecretKey k = keyFact.generateSecret(new PBEKeySpec(password, func.getSalt(), func.getIterationCount().intValue(), SecretKeyUtil.getKeySize(alg.getEncryptionScheme().getAlgorithm())));

                Cipher cipher = Cipher.getInstance(alg.getEncryptionScheme().getAlgorithm().getId(), bcProvider);

                cipher.init(Cipher.UNWRAP_MODE, k, new IvParameterSpec(ASN1OctetString.getInstance(alg.getEncryptionScheme().getParameters()).getOctets()));

                // we pass "" as the key algorithm type as it is unknown at this point
                return (PrivateKey)cipher.unwrap(data, "", Cipher.PRIVATE_KEY);
            }
        }
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                random.nextBytes(iv);

                try
                {
                    params = AlgorithmParameters.getInstance("RC2", BouncyCastleProvider.PROVIDER_NAME);
                    params.init(new IvParameterSpec(iv));
                }
                catch (Exception e)
                {
                    throw new RuntimeException(e.getMessage());
                }
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                }
            }

            if (paramSpec == IvParameterSpec.class)
            {
                return new IvParameterSpec(iv);
            }

            throw new InvalidParameterSpecException("unknown parameter spec passed to RC2 parameters object.");
        }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("IDEA", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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