Example usage for org.bouncycastle.openpgp PGPPublicKeyRingCollection getKeyRings

Introduction

In this page you can find the example usage for org.bouncycastle.openpgp PGPPublicKeyRingCollection getKeyRings.

Prototype

public Iterator<PGPPublicKeyRing> getKeyRings(String userID, boolean matchPartial, boolean ignoreCase)
        throws PGPException 

Source Link

Document

Return an iterator of the key rings associated with the passed in userID.

Usage

From source file:google.registry.keyring.api.PgpHelper.java

License:Open Source License

/**
 * Search for public key on keyring based on a substring (like an email address).
 *
 * @throws VerifyException if the key couldn't be found.
 * @see #lookupKeyPair/*from   w  ww  . java2 s .co m*/
 */
public static PGPPublicKey lookupPublicKey(PGPPublicKeyRingCollection keyring, String query,
        KeyRequirement want) {
    try {
        // Safe by specification.
        @SuppressWarnings("unchecked")
        Iterator<PGPPublicKeyRing> results = keyring.getKeyRings(checkNotNull(query, "query"), true, true);
        verify(results.hasNext(), "No public key found matching substring: %s", query);
        while (results.hasNext()) {
            Optional<PGPPublicKey> result = lookupPublicSubkey(results.next(), want);
            if (result.isPresent()) {
                return result.get();
            }
        }
        throw new VerifyException(
                String.format("No public key (%s) found matching substring: %s", want, query));
    } catch (PGPException e) {
        throw new VerifyException(
                String.format("Public key lookup with query %s failed: %s", query, e.getMessage()));
    }
}

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From source file:google.registry.rde.BouncyCastleTest.java

License:Open Source License

@Test
public void testEncryptDecrypt_KeyRingStyle() throws Exception {
    int bufferSize = 64 * 1024;

    // Alice loads Bob's "publicKey" into memory from her public key ring.
    PGPPublicKeyRingCollection publicKeyRings = new BcPGPPublicKeyRingCollection(
            PGPUtil.getDecoderStream(new ByteArrayInputStream(PUBLIC_KEY)));
    PGPPublicKeyRing publicKeyRing = publicKeyRings.getKeyRings("eric@bouncycastle.org", true, true).next();
    PGPPublicKey publicKey = publicKeyRing.getPublicKey();

    // Alice encrypts the secret message for Bob using his "publicKey".
    PGPEncryptedDataGenerator encryptor = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(AES_128));
    encryptor.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(publicKey));
    byte[] encryptedData;
    try (ByteArrayOutputStream output = new ByteArrayOutputStream()) {
        try (OutputStream output2 = encryptor.open(output, new byte[bufferSize])) {
            output2.write(FALL_OF_HYPERION_A_DREAM.getBytes(UTF_8));
        }/*from w  w  w  .  j  av a 2  s.  c om*/
        encryptedData = output.toByteArray();
    }
    logger.info("Encrypted data: " + dumpHex(encryptedData));

    // Bob loads his chain of private keys into memory.
    PGPSecretKeyRingCollection privateKeyRings = new BcPGPSecretKeyRingCollection(
            PGPUtil.getDecoderStream(new ByteArrayInputStream(PRIVATE_KEY)));

    // Bob decrypt's the OpenPGP message (w/ ciphertext) using his "privateKey".
    try (ByteArrayInputStream input = new ByteArrayInputStream(encryptedData)) {
        PGPObjectFactory pgpFact = new BcPGPObjectFactory(input);
        PGPEncryptedDataList encDataList = (PGPEncryptedDataList) pgpFact.nextObject();
        assertThat(encDataList.size()).isEqualTo(1);
        PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) encDataList.get(0);
        // Bob loads the private key to which the message is addressed.
        PGPPrivateKey privateKey = extractPrivateKey(privateKeyRings.getSecretKey(encData.getKeyID()));
        try (InputStream original = encData.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey))) {
            assertThat(CharStreams.toString(new InputStreamReader(original, UTF_8)))
                    .isEqualTo(FALL_OF_HYPERION_A_DREAM);
        }
    }
}

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From source file:google.registry.rde.BouncyCastleTest.java

License:Open Source License

@Test
public void testCompressEncryptDecryptDecompress_KeyRingStyle() throws Exception {
    int bufsz = 64 * 1024;

    // Alice loads Bob's "publicKey" into memory from her public key ring.
    PGPPublicKeyRingCollection publicKeyRings = new BcPGPPublicKeyRingCollection(
            PGPUtil.getDecoderStream(new ByteArrayInputStream(PUBLIC_KEY)));
    PGPPublicKeyRing publicKeyRing = publicKeyRings.getKeyRings("eric@bouncycastle.org", true, true).next();
    PGPPublicKey publicKey = publicKeyRing.getPublicKey();

    // Alice encrypts the secret message for Bob using his "publicKey".
    PGPEncryptedDataGenerator encryptor = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(AES_128));
    encryptor.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(publicKey));
    byte[] encryptedData;
    try (ByteArrayOutputStream output = new ByteArrayOutputStream()) {
        try (OutputStream output2 = encryptor.open(output, new byte[bufsz])) {
            PGPCompressedDataGenerator kompressor = new PGPCompressedDataGenerator(ZIP);
            try (OutputStream output3 = kompressor.open(output2, new byte[bufsz])) {
                output3.write(FALL_OF_HYPERION_A_DREAM.getBytes(UTF_8));
            }//from  w w w  . j a  v  a 2  s. c o  m
        }
        encryptedData = output.toByteArray();
    }
    logger.info("Encrypted data: " + dumpHex(encryptedData));

    // Bob loads his chain of private keys into memory.
    PGPSecretKeyRingCollection privateKeyRings = new BcPGPSecretKeyRingCollection(
            PGPUtil.getDecoderStream(new ByteArrayInputStream(PRIVATE_KEY)));

    // Bob decrypt's the OpenPGP message (w/ ciphertext) using his "privateKey".
    try (ByteArrayInputStream input = new ByteArrayInputStream(encryptedData)) {
        PGPObjectFactory pgpFact = new BcPGPObjectFactory(input);
        PGPEncryptedDataList encDataList = (PGPEncryptedDataList) pgpFact.nextObject();
        assertThat(encDataList.size()).isEqualTo(1);
        PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) encDataList.get(0);
        // Bob loads the private key to which the message is addressed.
        PGPPrivateKey privateKey = extractPrivateKey(privateKeyRings.getSecretKey(encData.getKeyID()));
        try (InputStream original = encData.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey))) {
            pgpFact = new BcPGPObjectFactory(original);
            PGPCompressedData kompressedData = (PGPCompressedData) pgpFact.nextObject();
            try (InputStream orig2 = kompressedData.getDataStream()) {
                assertThat(CharStreams.toString(new InputStreamReader(orig2, UTF_8)))
                        .isEqualTo(FALL_OF_HYPERION_A_DREAM);
            }
        }
    }
}

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