Examples with KeyFactory java.security.KeyFactory used on opensource projects

Example 66 with KeyFactory

use of java.security.KeyFactory in project Conversations by siacs.

the class OtrService method saveKey.

private void saveKey() {
    PublicKey publicKey = keyPair.getPublic();
    PrivateKey privateKey = keyPair.getPrivate();
    KeyFactory keyFactory;
    try {
        keyFactory = KeyFactory.getInstance("DSA");
        DSAPrivateKeySpec privateKeySpec = keyFactory.getKeySpec(privateKey, DSAPrivateKeySpec.class);
        DSAPublicKeySpec publicKeySpec = keyFactory.getKeySpec(publicKey, DSAPublicKeySpec.class);
        this.account.setKey("otr_x", privateKeySpec.getX().toString(16));
        this.account.setKey("otr_g", privateKeySpec.getG().toString(16));
        this.account.setKey("otr_p", privateKeySpec.getP().toString(16));
        this.account.setKey("otr_q", privateKeySpec.getQ().toString(16));
        this.account.setKey("otr_y", publicKeySpec.getY().toString(16));
    } catch (final NoSuchAlgorithmException | InvalidKeySpecException e) {
        e.printStackTrace();
    }
}

Example 67 with KeyFactory

use of java.security.KeyFactory in project ButterRemote-Android by se-bastiaan.

the class Security method generatePublicKey.

/**
     * Generates a PublicKey instance from a string containing the
     * Base64-encoded public key.
     *
     * @param encodedPublicKey Base64-encoded public key
     * @throws IllegalArgumentException if encodedPublicKey is invalid
     */
public static PublicKey generatePublicKey(String encodedPublicKey) {
    try {
        byte[] decodedKey = Base64.decode(encodedPublicKey);
        KeyFactory keyFactory = KeyFactory.getInstance(KEY_FACTORY_ALGORITHM);
        return keyFactory.generatePublic(new X509EncodedKeySpec(decodedKey));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (InvalidKeySpecException e) {
        Log.e(TAG, "Invalid key specification.");
        throw new IllegalArgumentException(e);
    } catch (Base64DecoderException e) {
        Log.e(TAG, "Base64 decoding failed.");
        throw new IllegalArgumentException(e);
    }
}

Example 68 with KeyFactory

use of java.security.KeyFactory in project helios by spotify.

the class CertificateAndPrivateKey method from.

public static CertificateAndPrivateKey from(final Path certPath, final Path keyPath) throws IOException, GeneralSecurityException {
    final CertificateFactory cf = CertificateFactory.getInstance("X.509");
    final Certificate certificate;
    try (final InputStream is = Files.newInputStream(certPath)) {
        certificate = cf.generateCertificate(is);
    }
    final Object parsedPem;
    try (final BufferedReader br = Files.newBufferedReader(keyPath, Charset.defaultCharset())) {
        parsedPem = new PEMParser(br).readObject();
    }
    final PrivateKeyInfo keyInfo;
    if (parsedPem instanceof PEMKeyPair) {
        keyInfo = ((PEMKeyPair) parsedPem).getPrivateKeyInfo();
    } else if (parsedPem instanceof PrivateKeyInfo) {
        keyInfo = (PrivateKeyInfo) parsedPem;
    } else {
        throw new UnsupportedOperationException("Unable to parse x509 certificate.");
    }
    final PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyInfo.getEncoded());
    final KeyFactory kf = KeyFactory.getInstance("RSA");
    return new CertificateAndPrivateKey(certificate, kf.generatePrivate(spec));
}

Example 69 with KeyFactory

use of java.security.KeyFactory in project helios by spotify.

the class X509CertificateFactoryTest method setUp.

@Before
public void setUp() throws Exception {
    final X509EncodedKeySpec pubKeySpec = new X509EncodedKeySpec(Base64.decode(ROHAN_PUB_KEY));
    final KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    publicKey = keyFactory.generatePublic(pubKeySpec);
    when(identity.getPublicKey()).thenReturn(publicKey);
    when(identity.getKeyBlob()).thenReturn(publicKey.getEncoded());
    when(agentProxy.sign(any(Identity.class), any(byte[].class))).thenAnswer(new Answer<byte[]>() {

        @Override
        public byte[] answer(InvocationOnMock invocation) throws Throwable {
            final byte[] bytesToSign = (byte[]) invocation.getArguments()[1];
            return sha1digest(bytesToSign);
        }
    });
    sut = new X509CertificateFactory(cacheFolder.getRoot().toPath(), 500, 5000);
}

Example 70 with KeyFactory

use of java.security.KeyFactory in project spring-boot by spring-projects.

the class TokenValidatorTests method getPrivateKey.

private PrivateKey getPrivateKey() throws InvalidKeySpecException, NoSuchAlgorithmException {
    String signingKey = "-----BEGIN PRIVATE KEY-----\n" + "MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDSbn2Xa72IOcxu\n" + "tcd+qQ6ufZ1VDe98EmpwO4VQrTd37U9kZtWU0KqeSkgnyzIWmlbyWOdbB4/v4uJa\n" + "lGjPQjt9hvd3xOOFXzpj33sWXgMGvGAzopMk64T+7GegOFlDXguA5TZyReM7M51O\n" + "ycYwpAEsKXS+lxcG0UsxpJum/WjOLyHsMnJVnoScVBlRYZ2BMyEOuap69/H3lT/X\n" + "pzlYEM6SrAifsaWvL2f1K7HKBt/yDkDOlZy6xmAMsghnslNSV0FvypTZrQOXia8t\n" + "k6fjA+iN+P0LDZAgKxzn4/B/bV8/6HN/7VZJEdudi/y5qdE7SBnx6QZqCEz/YfqC\n" + "olujacgnAgMBAAECggEAc9X2tJ/OWWrXqinOg160gkELloJxTi8lAFsDbAGuAwpT\n" + "JcWl1KF5CmGBjsY/8ElNi2J9GJL1HOwcBhikCVNARD1DhF6RkB13mvquWwWtTMvt\n" + "eP8JWM19DIc+E+hw2rCuTGngqs7l4vTqpzBTNPtS2eiIJ1IsjsgvSEiAlk/wnW48\n" + "11cf6SQMQcT3HNTWrS+yLycEuWKb6Khh8RpD9D+i8w2+IspWz5lTP7BrKCUNsLOx\n" + "6+5T52HcaZ9z3wMnDqfqIKWl3h8M+q+HFQ4EN5BPWYV4fF7EOx7+Qf2fKDFPoTjC\n" + "VTWzDRNAA1xPqwdF7IdPVOXCdaUJDOhHeXZGaTNSwQKBgQDxb9UiR/Jh1R3muL7I\n" + "neIt1gXa0O+SK7NWYl4DkArYo7V81ztxI8r+xKEeu5zRZZkpaJHxOnd3VfADascw\n" + "UfALvxGxN2z42lE6zdhrmxZ3ma+akQFsv7NyXcBT00sdW+xmOiCaAj0cgxNOXiV3\n" + "sYOwUy3SqUIPO2obpb+KC5ALHwKBgQDfH+NSQ/jn89oVZ3lzUORa+Z+aL1TGsgzs\n" + "p7IG0MTEYiR9/AExYUwJab0M4PDXhumeoACMfkCFALNVhpch2nXZv7X5445yRgfD\n" + "ONY4WknecuA0rfCLTruNWnQ3RR+BXmd9jD/5igd9hEIawz3V+jCHvAtzI8/CZIBt\n" + "AArBs5kp+QKBgQCdxwN1n6baIDemK10iJWtFoPO6h4fH8h8EeMwPb/ZmlLVpnA4Q\n" + "Zd+mlkDkoJ5eiRKKaPfWuOqRZeuvj/wTq7g/NOIO+bWQ+rrSvuqLh5IrHpgPXmub\n" + "8bsHJhUlspMH4KagN6ROgOAG3fGj6Qp7KdpxRCpR3KJ66czxvGNrhxre6QKBgB+s\n" + "MCGiYnfSprd5G8VhyziazKwfYeJerfT+DQhopDXYVKPJnQW8cQW5C8wDNkzx6sHI\n" + "pqtK1K/MnKhcVaHJmAcT7qoNQlA4Xqu4qrgPIQNBvU/dDRNJVthG6c5aspEzrG8m\n" + "9IHgtRV9K8EOy/1O6YqrB9kNUVWf3JccdWpvqyNJAoGAORzJiQCOk4egbdcozDTo\n" + "4Tg4qk/03qpTy5k64DxkX1nJHu8V/hsKwq9Af7Fj/iHy2Av54BLPlBaGPwMi2bzB\n" + "gYjmUomvx/fqOTQks9Rc4PIMB43p6Rdj0sh+52SKPDR2eHbwsmpuQUXnAs20BPPI\n" + "J/OOn5zOs8yf26os0q3+JUM=\n-----END PRIVATE KEY-----";
    String privateKey = signingKey.replace("-----BEGIN PRIVATE KEY-----\n", "");
    privateKey = privateKey.replace("-----END PRIVATE KEY-----", "");
    byte[] pkcs8EncodedBytes = Base64.decodeBase64(privateKey);
    PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(pkcs8EncodedBytes);
    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    return keyFactory.generatePrivate(keySpec);
}