Examples with CAST5CBCParameters com.github.zhenwei.core.asn1.misc.CAST5CBCParameters used on opensource projects

Example 1 with CAST5CBCParameters

use of com.github.zhenwei.core.asn1.misc.CAST5CBCParameters in project LinLong-Java by zhenwei1108.

the class CAST5CBCParameters method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 * <pre>
 * cast5CBCParameters ::= SEQUENCE {
 *                           iv         OCTET STRING DEFAULT 0,
 *                                  -- Initialization vector
 *                           keyLength  INTEGER
 *                                  -- Key length, in bits
 *                      }
 * </pre>
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(2);
    v.add(iv);
    v.add(keyLength);
    return new DERSequence(v);
}

Example 2 with CAST5CBCParameters

use of com.github.zhenwei.core.asn1.misc.CAST5CBCParameters in project LinLong-Java by zhenwei1108.

the class CipherFactory method createContentCipher.

/**
 * Create a content cipher for encrypting bulk data.
 *
 * @param forEncryption   true if the cipher is for encryption, false otherwise.
 * @param encKey          the basic key to use.
 * @param encryptionAlgID identifying algorithm OID and parameters to use.
 * @return a StreamCipher or a BufferedBlockCipher depending on the algorithm.
 * @throws IllegalArgumentException
 */
public static Object createContentCipher(boolean forEncryption, CipherParameters encKey, AlgorithmIdentifier encryptionAlgID) throws IllegalArgumentException {
    ASN1ObjectIdentifier encAlg = encryptionAlgID.getAlgorithm();
    if (encAlg.equals(PKCSObjectIdentifiers.rc4)) {
        StreamCipher cipher = new RC4Engine();
        cipher.init(forEncryption, encKey);
        return cipher;
    } else if (encAlg.equals(NISTObjectIdentifiers.id_aes128_GCM) || encAlg.equals(NISTObjectIdentifiers.id_aes192_GCM) || encAlg.equals(NISTObjectIdentifiers.id_aes256_GCM)) {
        AEADBlockCipher cipher = createAEADCipher(encryptionAlgID.getAlgorithm());
        GCMParameters gcmParameters = GCMParameters.getInstance(encryptionAlgID.getParameters());
        if (!(encKey instanceof KeyParameter)) {
            throw new IllegalArgumentException("key data must be accessible for GCM operation");
        }
        AEADParameters aeadParameters = new AEADParameters((KeyParameter) encKey, gcmParameters.getIcvLen() * 8, gcmParameters.getNonce());
        cipher.init(forEncryption, aeadParameters);
        return cipher;
    } else if (encAlg.equals(NISTObjectIdentifiers.id_aes128_CCM) || encAlg.equals(NISTObjectIdentifiers.id_aes192_CCM) || encAlg.equals(NISTObjectIdentifiers.id_aes256_CCM)) {
        AEADBlockCipher cipher = createAEADCipher(encryptionAlgID.getAlgorithm());
        CCMParameters ccmParameters = CCMParameters.getInstance(encryptionAlgID.getParameters());
        if (!(encKey instanceof KeyParameter)) {
            throw new IllegalArgumentException("key data must be accessible for GCM operation");
        }
        AEADParameters aeadParameters = new AEADParameters((KeyParameter) encKey, ccmParameters.getIcvLen() * 8, ccmParameters.getNonce());
        cipher.init(forEncryption, aeadParameters);
        return cipher;
    } else {
        BufferedBlockCipher cipher = createCipher(encryptionAlgID.getAlgorithm());
        ASN1Primitive sParams = encryptionAlgID.getParameters().toASN1Primitive();
        if (sParams != null && !(sParams instanceof ASN1Null)) {
            if (encAlg.equals(PKCSObjectIdentifiers.des_EDE3_CBC) || encAlg.equals(AlgorithmIdentifierFactory.IDEA_CBC) || encAlg.equals(NISTObjectIdentifiers.id_aes128_CBC) || encAlg.equals(NISTObjectIdentifiers.id_aes192_CBC) || encAlg.equals(NISTObjectIdentifiers.id_aes256_CBC) || encAlg.equals(NTTObjectIdentifiers.id_camellia128_cbc) || encAlg.equals(NTTObjectIdentifiers.id_camellia192_cbc) || encAlg.equals(NTTObjectIdentifiers.id_camellia256_cbc) || encAlg.equals(KISAObjectIdentifiers.id_seedCBC) || encAlg.equals(OIWObjectIdentifiers.desCBC)) {
                cipher.init(forEncryption, new ParametersWithIV(encKey, ASN1OctetString.getInstance(sParams).getOctets()));
            } else if (encAlg.equals(AlgorithmIdentifierFactory.CAST5_CBC)) {
                CAST5CBCParameters cbcParams = CAST5CBCParameters.getInstance(sParams);
                cipher.init(forEncryption, new ParametersWithIV(encKey, cbcParams.getIV()));
            } else if (encAlg.equals(PKCSObjectIdentifiers.RC2_CBC)) {
                RC2CBCParameter cbcParams = RC2CBCParameter.getInstance(sParams);
                cipher.init(forEncryption, new ParametersWithIV(new RC2Parameters(((KeyParameter) encKey).getKey(), rc2Ekb[cbcParams.getRC2ParameterVersion().intValue()]), cbcParams.getIV()));
            } else {
                throw new IllegalArgumentException("cannot match parameters");
            }
        } else {
            if (encAlg.equals(PKCSObjectIdentifiers.des_EDE3_CBC) || encAlg.equals(AlgorithmIdentifierFactory.IDEA_CBC) || encAlg.equals(AlgorithmIdentifierFactory.CAST5_CBC)) {
                cipher.init(forEncryption, new ParametersWithIV(encKey, new byte[8]));
            } else {
                cipher.init(forEncryption, encKey);
            }
        }
        return cipher;
    }
}

Example 3 with CAST5CBCParameters

use of com.github.zhenwei.core.asn1.misc.CAST5CBCParameters in project LinLong-Java by zhenwei1108.

the class AlgorithmIdentifierFactory method generateEncryptionAlgID.

/**
 * Create an AlgorithmIdentifier for the passed in encryption algorithm.
 *
 * @param encryptionOID OID for the encryption algorithm
 * @param keySize       key size in bits (-1 if unknown)
 * @param random        SecureRandom to use for parameter generation.
 * @return a full AlgorithmIdentifier including parameters
 * @throws IllegalArgumentException if encryptionOID cannot be matched
 */
public static AlgorithmIdentifier generateEncryptionAlgID(ASN1ObjectIdentifier encryptionOID, int keySize, SecureRandom random) throws IllegalArgumentException {
    if (encryptionOID.equals(NISTObjectIdentifiers.id_aes128_CBC) || encryptionOID.equals(NISTObjectIdentifiers.id_aes192_CBC) || encryptionOID.equals(NISTObjectIdentifiers.id_aes256_CBC) || encryptionOID.equals(NTTObjectIdentifiers.id_camellia128_cbc) || encryptionOID.equals(NTTObjectIdentifiers.id_camellia192_cbc) || encryptionOID.equals(NTTObjectIdentifiers.id_camellia256_cbc) || encryptionOID.equals(KISAObjectIdentifiers.id_seedCBC)) {
        byte[] iv = new byte[16];
        random.nextBytes(iv);
        return new AlgorithmIdentifier(encryptionOID, new DEROctetString(iv));
    } else if (encryptionOID.equals(NISTObjectIdentifiers.id_aes128_GCM) || encryptionOID.equals(NISTObjectIdentifiers.id_aes192_GCM) || encryptionOID.equals(NISTObjectIdentifiers.id_aes256_GCM)) {
        byte[] iv = new byte[12];
        random.nextBytes(iv);
        return new AlgorithmIdentifier(encryptionOID, new GCMParameters(iv, 16));
    } else if (encryptionOID.equals(NISTObjectIdentifiers.id_aes128_CCM) || encryptionOID.equals(NISTObjectIdentifiers.id_aes192_CCM) || encryptionOID.equals(NISTObjectIdentifiers.id_aes256_CCM)) {
        byte[] iv = new byte[8];
        random.nextBytes(iv);
        return new AlgorithmIdentifier(encryptionOID, new CCMParameters(iv, 16));
    } else if (encryptionOID.equals(PKCSObjectIdentifiers.des_EDE3_CBC) || encryptionOID.equals(IDEA_CBC) || encryptionOID.equals(OIWObjectIdentifiers.desCBC)) {
        byte[] iv = new byte[8];
        random.nextBytes(iv);
        return new AlgorithmIdentifier(encryptionOID, new DEROctetString(iv));
    } else if (encryptionOID.equals(CAST5_CBC)) {
        byte[] iv = new byte[8];
        random.nextBytes(iv);
        CAST5CBCParameters cbcParams = new CAST5CBCParameters(iv, keySize);
        return new AlgorithmIdentifier(encryptionOID, cbcParams);
    } else if (encryptionOID.equals(PKCSObjectIdentifiers.rc4)) {
        return new AlgorithmIdentifier(encryptionOID, DERNull.INSTANCE);
    } else if (encryptionOID.equals(PKCSObjectIdentifiers.RC2_CBC)) {
        byte[] iv = new byte[8];
        random.nextBytes(iv);
        RC2CBCParameter cbcParams = new RC2CBCParameter(rc2Table[128], iv);
        return new AlgorithmIdentifier(encryptionOID, cbcParams);
    } else {
        throw new IllegalArgumentException("unable to match algorithm");
    }
}