Example usage for org.bouncycastle.openpgp PGPLiteralDataGenerator BINARY

Introduction

In this page you can find the example usage for org.bouncycastle.openpgp PGPLiteralDataGenerator BINARY.

Prototype

char BINARY

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Document

Format tag for binary literal data

Usage

From source file:org.apache.gobblin.crypto.GPGFileEncryptor.java

License:Apache License

/**
 * Taking in an input {@link OutputStream} and a passPhrase, return an {@link OutputStream} that can be used to output
 * encrypted output to the input {@link OutputStream}.
 * @param outputStream the output stream to hold the ciphertext {@link OutputStream}
 * @param passPhrase pass phrase//from  w ww .j a  v a  2 s .  c o m
 * @param cipher the symmetric cipher to use for encryption. If null or empty then a default cipher is used.
 * @return {@link OutputStream} to write content to for encryption
 * @throws IOException
 */
public OutputStream encryptFile(OutputStream outputStream, String passPhrase, String cipher)
        throws IOException {
    try {
        if (Security.getProvider(PROVIDER_NAME) == null) {
            Security.addProvider(new BouncyCastleProvider());
        }

        PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(
                new JcePGPDataEncryptorBuilder(symmetricKeyAlgorithmNameToTag(cipher))
                        .setSecureRandom(new SecureRandom()).setProvider(PROVIDER_NAME));
        cPk.addMethod(
                new JcePBEKeyEncryptionMethodGenerator(passPhrase.toCharArray()).setProvider(PROVIDER_NAME));

        OutputStream cOut = cPk.open(outputStream, new byte[BUFFER_SIZE]);

        PGPLiteralDataGenerator literalGen = new PGPLiteralDataGenerator();
        OutputStream _literalOut = literalGen.open(cOut, PGPLiteralDataGenerator.BINARY, PAYLOAD_NAME,
                new Date(), new byte[BUFFER_SIZE]);

        return new ClosingWrapperOutputStream(_literalOut, cOut, outputStream);
    } catch (PGPException e) {
        throw new IOException(e);
    }
}

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From source file:org.apache.gobblin.crypto.GPGFileEncryptor.java

License:Apache License

/**
 * Taking in an input {@link OutputStream}, keyring inputstream and a passPhrase, generate an encrypted {@link OutputStream}.
 * @param outputStream {@link OutputStream} that will receive the encrypted content
 * @param keyIn keyring inputstream. This InputStream is owned by the caller.
 * @param keyId key identifier// w ww  .  j  a  v  a2 s . c  o  m
 * @param cipher the symmetric cipher to use for encryption. If null or empty then a default cipher is used.
 * @return an {@link OutputStream} to write content to for encryption
 * @throws IOException
 */
public OutputStream encryptFile(OutputStream outputStream, InputStream keyIn, long keyId, String cipher)
        throws IOException {
    try {
        if (Security.getProvider(PROVIDER_NAME) == null) {
            Security.addProvider(new BouncyCastleProvider());
        }

        PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(
                new JcePGPDataEncryptorBuilder(symmetricKeyAlgorithmNameToTag(cipher))
                        .setSecureRandom(new SecureRandom()).setProvider(PROVIDER_NAME));

        PGPPublicKey publicKey;
        PGPPublicKeyRingCollection keyRings = new PGPPublicKeyRingCollection(PGPUtil.getDecoderStream(keyIn),
                new BcKeyFingerprintCalculator());
        publicKey = keyRings.getPublicKey(keyId);

        if (publicKey == null) {
            throw new IllegalArgumentException("public key for encryption not found");
        }

        cPk.addMethod(new JcePublicKeyKeyEncryptionMethodGenerator(publicKey).setProvider(PROVIDER_NAME));

        OutputStream cOut = cPk.open(outputStream, new byte[BUFFER_SIZE]);

        PGPLiteralDataGenerator literalGen = new PGPLiteralDataGenerator();
        OutputStream _literalOut = literalGen.open(cOut, PGPLiteralDataGenerator.BINARY, PAYLOAD_NAME,
                new Date(), new byte[BUFFER_SIZE]);

        return new ClosingWrapperOutputStream(_literalOut, cOut, outputStream);
    } catch (PGPException e) {
        throw new IOException(e);
    }
}

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From source file:ubicrypt.core.crypto.PGPEC.java

License:Open Source License

public static InputStream encrypt(final List<PGPPublicKey> pks, final InputStream clearBytes) {
    final PipedInputStream pis = new PipedInputStream();
    final AtomicReference<PipedOutputStream> pos = new AtomicReference<>();
    final AtomicReference<OutputStream> pgpOut = new AtomicReference<>();
    final AtomicReference<OutputStream> lout = new AtomicReference<>();
    try {//w  w w .  j ava 2s.c  o  m
        pos.set(new PipedOutputStream(pis));
        final PGPLiteralDataGenerator lData = new PGPLiteralDataGenerator();

        final PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(
                new JcePGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.AES_256).setWithIntegrityPacket(true)
                        .setProvider("BC").setSecureRandom(new SecureRandom()));

        pks.stream().forEach(
                pk -> cPk.addMethod(new JcePublicKeyKeyEncryptionMethodGenerator(pk).setProvider("BC")));
        pgpOut.set(cPk.open(pos.get(), new byte[1 << 16]));
        lout.set(lData.open(pgpOut.get(), PGPLiteralDataGenerator.BINARY, PGPLiteralData.CONSOLE, new Date(),
                new byte[1 << 64]));

        Observable.create(new OnSubscribeInputStream(clearBytes, 1 << 64)).subscribeOn(Schedulers.io())
                .doOnCompleted(() -> Utils.close(lout.get(), pgpOut.get(), pos.get())).doOnError(err -> {
                    log.error("error on encrypt", err);
                    Utils.close(clearBytes, lout.get(), pgpOut.get(), pos.get());
                }).subscribe(ConsumerExp.silent(lout.get()::write));
    } catch (final Exception e) {
        Utils.close(clearBytes, lout.get(), pgpOut.get(), pos.get());
        Throwables.propagate(e);
    }
    return pis;
}

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