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

Example 21 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project GNS by MobilityFirst.

the class KeyPairUtils method getGuidEntry.

/**
   * Retrieves the public/private key pair for the given user.
   *
   * @param gnsName the name of the GNS instance (e.g. "server.gns.name:8080")
   * @param username the user name
   * @return the GNSProtocol.GUID.toString() entry if found, null otherwise
   */
public static GuidEntry getGuidEntry(String gnsName, String username) {
    if (username == null) {
        return null;
    }
    if (IS_ANDROID) {
        return KeyPairUtilsAndroid.getGuidEntryFromPreferences(gnsName, username);
    }
    createSingleton();
    String guid = keyStorageObj.get(generateKey(gnsName, username, GUID), "");
    String publicString = keyStorageObj.get(generateKey(gnsName, username, PUBLIC), "");
    String privateString = keyStorageObj.get(generateKey(gnsName, username, PRIVATE), "");
    if (!guid.isEmpty() && !publicString.isEmpty() && !privateString.isEmpty()) {
        try {
            byte[] encodedPublicKey = DatatypeConverter.parseHexBinary(publicString);
            //byte[] encodedPublicKey = ByteUtils.hexStringToByteArray(publicString);
            byte[] encodedPrivateKey = DatatypeConverter.parseHexBinary(privateString);
            //byte[] encodedPrivateKey = ByteUtils.hexStringToByteArray(privateString);
            KeyFactory keyFactory = KeyFactory.getInstance(GNSProtocol.RSA_ALGORITHM.toString());
            X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(encodedPublicKey);
            PublicKey publicKey = keyFactory.generatePublic(publicKeySpec);
            PKCS8EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(encodedPrivateKey);
            PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);
            return new GuidEntry(username, guid, publicKey, privateKey);
        } catch (NoSuchAlgorithmException | InvalidKeySpecException | EncryptionException e) {
            System.out.println(e.toString());
            return null;
        }
    } else {
        return null;
    }
}

Example 22 with X509EncodedKeySpec

use of java.security.spec.X509EncodedKeySpec in project GNS by MobilityFirst.

the class KeyPairUtilsAndroid method getAllGuids.

/**
   * Return the list of all GUIDs stored locally that belong to a particular GNS
   * instance
   *
   * @param gnsName the GNS host:port
   * @return all matching GUIDs
   */
public static List<GuidEntry> getAllGuids(String gnsName) {
    List<GuidEntry> guids = new LinkedList<>();
    File gnsFolder = new File(GNS_KEY_DIR);
    // Save the path as a string value
    String extStorageDirectory = gnsFolder.toString();
    File file = new File(extStorageDirectory, GNS_KEYS_FILENAME);
    try {
        BufferedReader br = new BufferedReader(new FileReader(file));
        String line;
        while ((line = br.readLine()) != null) {
            String aliasKey = line;
            String guid = br.readLine();
            String publicString = br.readLine();
            String privateString = br.readLine();
            if (aliasKey.contains(gnsName) && !publicString.isEmpty() && !privateString.isEmpty()) {
                try {
                    byte[] encodedPublicKey = DatatypeConverter.parseHexBinary(publicString);
                    byte[] encodedPrivateKey = DatatypeConverter.parseHexBinary(privateString);
                    //byte[] encodedPublicKey = ByteUtils.hexStringToByteArray(publicString);
                    //byte[] encodedPrivateKey = ByteUtils.hexStringToByteArray(privateString);
                    KeyFactory keyFactory = KeyFactory.getInstance(GNSProtocol.RSA_ALGORITHM.toString());
                    X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(encodedPublicKey);
                    PublicKey publicKey = keyFactory.generatePublic(publicKeySpec);
                    PKCS8EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(encodedPrivateKey);
                    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);
                    // Strip gnsName from stored alias to only return the entity name
                    guids.add(new GuidEntry(aliasKey.substring(gnsName.length() + 1), guid, publicKey, privateKey));
                } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                    Log.e(KeyPairUtilsAndroid.class.getName(), "Cannot decode keys", e);
                } catch (EncryptionException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    // You'll need to add proper error handling here
    }
    return guids;
}

Example 23 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 24 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 25 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;
}