Examples with X509EncodedKeySpec java.security.spec.X509EncodedKeySpec used on opensource projects

Example 46 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project lucene-solr by apache.

the class CryptoKeys method getX509PublicKey.

/**
   * Create PublicKey from a .DER file
   */
public static PublicKey getX509PublicKey(byte[] buf) throws Exception {
    X509EncodedKeySpec spec = new X509EncodedKeySpec(buf);
    KeyFactory kf = KeyFactory.getInstance("RSA");
    return kf.generatePublic(spec);
}

Example 47 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project karaf by apache.

the class KnownHostsManager method getKnownKeyInternal.

private PublicKey getKnownKeyInternal(SocketAddress remoteAddress, String checkAlgorithm, BufferedReader reader) throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
    String checkServerAddress = getAddressString(remoteAddress);
    String line = reader.readLine();
    while (line != null) {
        String[] lineParts = line.split(" ");
        String serverAddress = lineParts[0];
        String algorithm = lineParts[1];
        if (checkServerAddress.equals(serverAddress) && checkAlgorithm.equals(algorithm)) {
            byte[] key = Base64.getDecoder().decode(lineParts[2].getBytes());
            KeyFactory keyFactory = KeyFactory.getInstance(algorithm);
            X509EncodedKeySpec keySpec = new X509EncodedKeySpec(key);
            return keyFactory.generatePublic(keySpec);
        }
        line = reader.readLine();
    }
    return null;
}

Example 48 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project cloudstack by apache.

the class SAMLUtils method savePublicKey.

public static String savePublicKey(PublicKey key) {
    try {
        KeyFactory keyFactory = SAMLUtils.getKeyFactory();
        if (keyFactory == null)
            return null;
        X509EncodedKeySpec spec = keyFactory.getKeySpec(key, X509EncodedKeySpec.class);
        return new String(org.bouncycastle.util.encoders.Base64.encode(spec.getEncoded()), Charset.forName("UTF-8"));
    } catch (InvalidKeySpecException e) {
        s_logger.error("Unable to create KeyFactory:" + e.getMessage());
    }
    return null;
}

Example 49 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project cloudstack by apache.

the class SAMLUtils method loadPublicKey.

public static PublicKey loadPublicKey(String publicKey) {
    byte[] sigBytes = org.bouncycastle.util.encoders.Base64.decode(publicKey);
    X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(sigBytes);
    KeyFactory keyFact = SAMLUtils.getKeyFactory();
    if (keyFact == null)
        return null;
    try {
        return keyFact.generatePublic(x509KeySpec);
    } catch (InvalidKeySpecException e) {
        s_logger.error("Unable to create PrivateKey from privateKey string:" + e.getMessage());
    }
    return null;
}

Example 50 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project robovm by robovm.

the class X509CertificateTest method getRsaCertificatePublicKey.

private PublicKey getRsaCertificatePublicKey() throws Exception {
    final InputStream ris = Support_Resources.getStream("x509/cert-rsa-pubkey.der");
    try {
        final int size = ris.available();
        final DataInputStream is = new DataInputStream(ris);
        final byte[] keyBytes = new byte[size];
        is.readFully(keyBytes);
        final KeyFactory kf = KeyFactory.getInstance("RSA");
        return kf.generatePublic(new X509EncodedKeySpec(keyBytes));
    } finally {
        try {
            ris.close();
        } catch (IOException ignored) {
        }
    }
}