Examples with RecipientOperator com.github.zhenwei.pkix.cms.RecipientOperator used on opensource projects

Example 1 with RecipientOperator

use of com.github.zhenwei.pkix.cms.RecipientOperator in project LinLong-Java by zhenwei1108.

the class BcRSAKeyTransEnvelopedRecipient method getRecipientOperator.

public RecipientOperator getRecipientOperator(AlgorithmIdentifier keyEncryptionAlgorithm, final AlgorithmIdentifier contentEncryptionAlgorithm, byte[] encryptedContentEncryptionKey) throws CMSException {
    CipherParameters secretKey = extractSecretKey(keyEncryptionAlgorithm, contentEncryptionAlgorithm, encryptedContentEncryptionKey);
    final Object dataCipher = EnvelopedDataHelper.createContentCipher(false, secretKey, contentEncryptionAlgorithm);
    return new RecipientOperator(new InputDecryptor() {

        public AlgorithmIdentifier getAlgorithmIdentifier() {
            return contentEncryptionAlgorithm;
        }

        public InputStream getInputStream(InputStream dataIn) {
            if (dataCipher instanceof BufferedBlockCipher) {
                return new CipherInputStream(dataIn, (BufferedBlockCipher) dataCipher);
            } else {
                return new CipherInputStream(dataIn, (StreamCipher) dataCipher);
            }
        }
    });
}

Example 2 with RecipientOperator

use of com.github.zhenwei.pkix.cms.RecipientOperator in project LinLong-Java by zhenwei1108.

the class JceKEKAuthenticatedRecipient method getRecipientOperator.

public RecipientOperator getRecipientOperator(AlgorithmIdentifier keyEncryptionAlgorithm, final AlgorithmIdentifier contentMacAlgorithm, byte[] encryptedContentEncryptionKey) throws CMSException {
    final Key secretKey = extractSecretKey(keyEncryptionAlgorithm, contentMacAlgorithm, encryptedContentEncryptionKey);
    final Mac dataMac = contentHelper.createContentMac(secretKey, contentMacAlgorithm);
    return new RecipientOperator(new MacCalculator() {

        public AlgorithmIdentifier getAlgorithmIdentifier() {
            return contentMacAlgorithm;
        }

        public GenericKey getKey() {
            return new JceGenericKey(contentMacAlgorithm, secretKey);
        }

        public OutputStream getOutputStream() {
            return new MacOutputStream(dataMac);
        }

        public byte[] getMac() {
            return dataMac.doFinal();
        }
    });
}

Example 3 with RecipientOperator

use of com.github.zhenwei.pkix.cms.RecipientOperator in project LinLong-Java by zhenwei1108.

the class JceKEKEnvelopedRecipient method getRecipientOperator.

public RecipientOperator getRecipientOperator(AlgorithmIdentifier keyEncryptionAlgorithm, final AlgorithmIdentifier contentEncryptionAlgorithm, byte[] encryptedContentEncryptionKey) throws CMSException {
    Key secretKey = extractSecretKey(keyEncryptionAlgorithm, contentEncryptionAlgorithm, encryptedContentEncryptionKey);
    final Cipher dataCipher = contentHelper.createContentCipher(secretKey, contentEncryptionAlgorithm);
    return new RecipientOperator(new InputDecryptor() {

        public AlgorithmIdentifier getAlgorithmIdentifier() {
            return contentEncryptionAlgorithm;
        }

        public InputStream getInputStream(InputStream dataOut) {
            return new CipherInputStream(dataOut, dataCipher);
        }
    });
}

Example 4 with RecipientOperator

use of com.github.zhenwei.pkix.cms.RecipientOperator in project LinLong-Java by zhenwei1108.

the class JcePasswordEnvelopedRecipient method getRecipientOperator.

public RecipientOperator getRecipientOperator(AlgorithmIdentifier keyEncryptionAlgorithm, final AlgorithmIdentifier contentEncryptionAlgorithm, byte[] derivedKey, byte[] encryptedContentEncryptionKey) throws CMSException {
    Key secretKey = extractSecretKey(keyEncryptionAlgorithm, contentEncryptionAlgorithm, derivedKey, encryptedContentEncryptionKey);
    final Cipher dataCipher = helper.createContentCipher(secretKey, contentEncryptionAlgorithm);
    return new RecipientOperator(new InputDecryptor() {

        public AlgorithmIdentifier getAlgorithmIdentifier() {
            return contentEncryptionAlgorithm;
        }

        public InputStream getInputStream(InputStream dataOut) {
            return new CipherInputStream(dataOut, dataCipher);
        }
    });
}

Example 5 with RecipientOperator

use of com.github.zhenwei.pkix.cms.RecipientOperator in project LinLong-Java by zhenwei1108.

the class JceKeyTransAuthEnvelopedRecipient method getRecipientOperator.

public RecipientOperator getRecipientOperator(AlgorithmIdentifier keyEncryptionAlgorithm, final AlgorithmIdentifier contentEncryptionAlgorithm, byte[] encryptedContentEncryptionKey) throws CMSException {
    Key secretKey = extractSecretKey(keyEncryptionAlgorithm, contentEncryptionAlgorithm, encryptedContentEncryptionKey);
    final Cipher dataCipher = contentHelper.createContentCipher(secretKey, contentEncryptionAlgorithm);
    return new RecipientOperator(new InputAEADDecryptor() {

        public AlgorithmIdentifier getAlgorithmIdentifier() {
            return contentEncryptionAlgorithm;
        }

        public InputStream getInputStream(InputStream dataIn) {
            return new CipherInputStream(dataIn, dataCipher);
        }

        public OutputStream getAADStream() {
            return new AADStream(dataCipher);
        }

        public byte[] getMAC() {
            // TODO
            return new byte[0];
        }
    });
}