Examples with CRMFException com.github.zhenwei.pkix.cert.crmf.CRMFException used on opensource projects

Example 1 with CRMFException

use of com.github.zhenwei.pkix.cert.crmf.CRMFException in project LinLong-Java by zhenwei1108.

the class CRMFHelper method createContentCipher.

Cipher createContentCipher(final Key sKey, final AlgorithmIdentifier encryptionAlgID) throws CRMFException {
    return (Cipher) execute(new JCECallback() {

        public Object doInJCE() throws CRMFException, InvalidAlgorithmParameterException, InvalidKeyException, InvalidParameterSpecException, NoSuchAlgorithmException, NoSuchPaddingException, NoSuchProviderException {
            Cipher cipher = createCipher(encryptionAlgID.getAlgorithm());
            ASN1Primitive sParams = (ASN1Primitive) encryptionAlgID.getParameters();
            ASN1ObjectIdentifier encAlg = encryptionAlgID.getAlgorithm();
            if (sParams != null && !(sParams instanceof ASN1Null)) {
                try {
                    AlgorithmParameters params = createAlgorithmParameters(encryptionAlgID.getAlgorithm());
                    try {
                        AlgorithmParametersUtils.loadParameters(params, sParams);
                    } catch (IOException e) {
                        throw new CRMFException("error decoding algorithm parameters.", e);
                    }
                    cipher.init(Cipher.DECRYPT_MODE, sKey, params);
                } catch (NoSuchAlgorithmException e) {
                    if (encAlg.equals(CMSAlgorithm.DES_EDE3_CBC) || encAlg.equals(CMSAlgorithm.IDEA_CBC) || encAlg.equals(CMSAlgorithm.AES128_CBC) || encAlg.equals(CMSAlgorithm.AES192_CBC) || encAlg.equals(CMSAlgorithm.AES256_CBC)) {
                        cipher.init(Cipher.DECRYPT_MODE, sKey, new IvParameterSpec(ASN1OctetString.getInstance(sParams).getOctets()));
                    } else {
                        throw e;
                    }
                }
            } else {
                if (encAlg.equals(CMSAlgorithm.DES_EDE3_CBC) || encAlg.equals(CMSAlgorithm.IDEA_CBC) || encAlg.equals(CMSAlgorithm.CAST5_CBC)) {
                    cipher.init(Cipher.DECRYPT_MODE, sKey, new IvParameterSpec(new byte[8]));
                } else {
                    cipher.init(Cipher.DECRYPT_MODE, sKey);
                }
            }
            return cipher;
        }
    });
}

Example 2 with CRMFException

use of com.github.zhenwei.pkix.cert.crmf.CRMFException in project LinLong-Java by zhenwei1108.

the class CRMFHelper method toPublicKey.

PublicKey toPublicKey(SubjectPublicKeyInfo subjectPublicKeyInfo) throws CRMFException {
    try {
        X509EncodedKeySpec xspec = new X509EncodedKeySpec(subjectPublicKeyInfo.getEncoded());
        AlgorithmIdentifier keyAlg = subjectPublicKeyInfo.getAlgorithm();
        return createKeyFactory(keyAlg.getAlgorithm()).generatePublic(xspec);
    } catch (Exception e) {
        throw new CRMFException("invalid key: " + e.getMessage(), e);
    }
}

Example 3 with CRMFException

use of com.github.zhenwei.pkix.cert.crmf.CRMFException in project LinLong-Java by zhenwei1108.

the class CRMFHelper method generateParameters.

AlgorithmParameters generateParameters(ASN1ObjectIdentifier encryptionOID, SecretKey encKey, SecureRandom rand) throws CRMFException {
    try {
        AlgorithmParameterGenerator pGen = createAlgorithmParameterGenerator(encryptionOID);
        if (encryptionOID.equals(CMSAlgorithm.RC2_CBC)) {
            byte[] iv = new byte[8];
            rand.nextBytes(iv);
            try {
                pGen.init(new RC2ParameterSpec(encKey.getEncoded().length * 8, iv), rand);
            } catch (InvalidAlgorithmParameterException e) {
                throw new CRMFException("parameters generation error: " + e, e);
            }
        }
        return pGen.generateParameters();
    } catch (NoSuchAlgorithmException e) {
        return null;
    } catch (GeneralSecurityException e) {
        throw new CRMFException("exception creating algorithm parameter generator: " + e, e);
    }
}