Java Code Examples for org.bouncycastle.openpgp.PGPPublicKeyRingCollection#getKeyRings()

The following examples show how to use org.bouncycastle.openpgp.PGPPublicKeyRingCollection#getKeyRings() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PgpHelper.java    From nomulus with Apache License 2.0 6 votes vote down vote up 
/**
 * 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
 */
public static PGPPublicKey lookupPublicKey(
    PGPPublicKeyRingCollection keyring, String query, KeyRequirement want) {
  try {
    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 failed for query: %s", query), e);
  }
}
Example 2
Source File: OpenPGPKeyBasedEncryptor.java    From localization_nifi with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("rawtypes")
public static PGPPublicKey getPublicKey(String userId, String publicKeyringFile) throws IOException, PGPException {
    // TODO: Reevaluate the mechanism for executing this task as performance can suffer here and only a specific key needs to be validated

    // Read in from the public keyring file
    try (FileInputStream keyInputStream = new FileInputStream(publicKeyringFile)) {

        // Form the PublicKeyRing collection (1.53 way with fingerprint calculator)
        PGPPublicKeyRingCollection pgpPublicKeyRingCollection = new PGPPublicKeyRingCollection(keyInputStream, new BcKeyFingerprintCalculator());

        // Iterate over all public keyrings
        Iterator<PGPPublicKeyRing> iter = pgpPublicKeyRingCollection.getKeyRings();
        PGPPublicKeyRing keyRing;
        while (iter.hasNext()) {
            keyRing = iter.next();

            // Iterate over each public key in this keyring
            Iterator<PGPPublicKey> keyIter = keyRing.getPublicKeys();
            while (keyIter.hasNext()) {
                PGPPublicKey publicKey = keyIter.next();

                // Iterate over each userId attached to the public key
                Iterator userIdIterator = publicKey.getUserIDs();
                while (userIdIterator.hasNext()) {
                    String id = (String) userIdIterator.next();
                    if (userId.equalsIgnoreCase(id)) {
                        return publicKey;
                    }
                }
            }
        }
    }

    // If this point is reached, no public key could be extracted with the given userId
    throw new PGPException("Could not find a public key with the given userId");
}
Example 3
Source File: PGPKeyHelper.java    From peer-os with Apache License 2.0 5 votes vote down vote up 
public static PGPPublicKey readPublicKey( InputStream is ) throws IOException, PGPException
{
    PGPPublicKeyRingCollection pgpPub =
            new PGPPublicKeyRingCollection( PGPUtil.getDecoderStream( is ), new JcaKeyFingerprintCalculator() );

    Iterator keyRingIter = pgpPub.getKeyRings();

    while ( keyRingIter.hasNext() )
    {
        PGPPublicKeyRing keyRing = ( PGPPublicKeyRing ) keyRingIter.next();
        Iterator keyIter = keyRing.getPublicKeys();

        while ( keyIter.hasNext() )
        {
            PGPPublicKey key = ( PGPPublicKey ) keyIter.next();

            if ( key.isEncryptionKey() )
            {
                return key;
            }
        }
    }

    throw new IllegalArgumentException( "Can't find encryption key in key ring." );
}
Example 4
Source File: OpenPGPKeyBasedEncryptor.java    From nifi with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("rawtypes")
public static PGPPublicKey getPublicKey(String userId, String publicKeyringFile) throws IOException, PGPException {
    // TODO: Reevaluate the mechanism for executing this task as performance can suffer here and only a specific key needs to be validated

    // Read in from the public keyring file
    try (FileInputStream keyInputStream = new FileInputStream(publicKeyringFile)) {

        // Form the PublicKeyRing collection (1.53 way with fingerprint calculator)
        PGPPublicKeyRingCollection pgpPublicKeyRingCollection = new PGPPublicKeyRingCollection(keyInputStream, new BcKeyFingerprintCalculator());

        // Iterate over all public keyrings
        Iterator<PGPPublicKeyRing> iter = pgpPublicKeyRingCollection.getKeyRings();
        PGPPublicKeyRing keyRing;
        while (iter.hasNext()) {
            keyRing = iter.next();

            // Iterate over each public key in this keyring
            Iterator<PGPPublicKey> keyIter = keyRing.getPublicKeys();
            while (keyIter.hasNext()) {
                PGPPublicKey publicKey = keyIter.next();

                // Iterate over each userId attached to the public key
                Iterator userIdIterator = publicKey.getUserIDs();
                while (userIdIterator.hasNext()) {
                    String id = (String) userIdIterator.next();
                    if (userId.equalsIgnoreCase(id)) {
                        return publicKey;
                    }
                }
            }
        }
    }

    // If this point is reached, no public key could be extracted with the given userId
    throw new PGPException("Could not find a public key with the given userId");
}