Example usage for java.security KeyFactory generatePrivate

List of usage examples for java.security KeyFactory generatePrivate

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Introduction

In this page you can find the example usage for java.security KeyFactory generatePrivate.

Prototype

public final PrivateKey generatePrivate(KeySpec keySpec) throws InvalidKeySpecException

Source Link

Document

Generates a private key object from the provided key specification (key material).

Usage

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureRS512(byte[] signingInput, RSAPrivateKey rsaPrivateKey)
        throws SignatureException, InvalidKeyException, NoSuchProviderException, InvalidKeySpecException,
        NoSuchAlgorithmException {
    RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(),
            rsaPrivateKey.getPrivateExponent());

    KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);

    Signature signature = Signature.getInstance("SHA512withRSA", "BC");
    signature.initSign(privateKey);//  ww  w  .  ja va 2 s.co  m
    signature.update(signingInput);

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureES256(byte[] signingInput, ECDSAPrivateKey ecdsaPrivateKey)
        throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException,
        SignatureException {/*from  ww w . j  a  va  2  s .  c om*/
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("P-256");
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(ecdsaPrivateKey.getD(), ecSpec);

    KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);

    Signature signature = Signature.getInstance("SHA256WITHECDSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureES384(byte[] signingInput, ECDSAPrivateKey ecdsaPrivateKey)
        throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException,
        SignatureException {// w w  w .ja  v  a  2  s  .  c  o m
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("P-384");
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(ecdsaPrivateKey.getD(), ecSpec);

    KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);

    Signature signature = Signature.getInstance("SHA384WITHECDSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);

    return signature.sign();
}

From source file:org.xdi.oxauth.model.util.JwtUtil.java

public static byte[] getSignatureES512(byte[] signingInput, ECDSAPrivateKey ecdsaPrivateKey)
        throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidKeyException,
        SignatureException {//from  w ww . jav a2 s.  c o  m
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("P-521");
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(ecdsaPrivateKey.getD(), ecSpec);

    KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
    PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);

    Signature signature = Signature.getInstance("SHA512WITHECDSA", "BC");
    signature.initSign(privateKey);
    signature.update(signingInput);

    return signature.sign();
}

From source file:com.vmware.identity.idm.server.ServerUtils.java

public static PrivateKey getPrivateKeyValue(LdapValue[] value) {
    PrivateKey privateKey = null;

    if ((value != null) && (value.length == 1)) {
        byte[] privateKeyBytes = value[0].getValue();
        if (privateKeyBytes != null) {
            try {
                KeyFactory keyFactory = KeyFactory.getInstance("RSA");

                EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(privateKeyBytes);

                privateKey = keyFactory.generatePrivate(privateKeySpec);
            } catch (NoSuchAlgorithmException ex1) {
                throw new RuntimeException("No such algorithm");
            } catch (InvalidKeySpecException ex2) {
                throw new RuntimeException("Invalid key spec");
            }/*from w ww . ja v  a  2s  .  c  o  m*/
        }
    }
    return privateKey;
}

From source file:org.apache.camel.component.gae.auth.GAuthPk8Loader.java

/**
 * Loads a private key from a PKCS#8 file.
 *///from   ww w.  j  a v a 2 s  .c  o m
public PrivateKey loadPrivateKey() throws Exception {
    String str = IOUtils.toString(keyLocation.getInputStream());

    if (str.contains(BEGIN) && str.contains(END)) {
        str = str.substring(BEGIN.length(), str.lastIndexOf(END));
    }

    KeyFactory factory = KeyFactory.getInstance("RSA");
    return factory.generatePrivate(new PKCS8EncodedKeySpec(Base64.decode(str)));
}

From source file:org.jasig.cas.util.PrivateKeyFactoryBean.java

protected Object createInstance() throws Exception {
    final InputStream privKey = this.location.getInputStream();
    try {//from  w w w.  jav  a 2  s  .  com
        final byte[] bytes = new byte[privKey.available()];
        privKey.read(bytes);
        privKey.close();
        final PKCS8EncodedKeySpec privSpec = new PKCS8EncodedKeySpec(bytes);
        KeyFactory factory = KeyFactory.getInstance(this.algorithm);
        return factory.generatePrivate(privSpec);
    } finally {
        privKey.close();
    }
}

From source file:com.adeptj.modules.security.jwt.internal.JwtKeys.java

static PrivateKey createSigningKey(JwtConfig jwtConfig, SignatureAlgorithm signatureAlgo) {
    LOGGER.info("Creating RSA signing key!!");
    String keyData = jwtConfig.privateKey();
    Assert.isTrue(StringUtils.startsWithAny(keyData, PRIVATE_ENCRYPTED_KEY_HEADER, PRIVATE_KEY_HEADER),
            INVALID_PRIVATE_KEY_MSG);//w  w  w. j  a  v  a  2s. co m
    try {
        KeyFactory keyFactory = KeyFactory.getInstance(signatureAlgo.getFamilyName());
        if (StringUtils.startsWith(keyData, PRIVATE_ENCRYPTED_KEY_HEADER)) {
            LOGGER.info("Creating PKCS8EncodedKeySpec from private [encrypted] key !!");
            Assert.hasText(jwtConfig.privateKeyPassword(), KEYPASS_NULL_MSG);
            byte[] privateKeyData = decodePrivateKeyData(keyData, true);
            EncryptedPrivateKeyInfo privateKeyInfo = new EncryptedPrivateKeyInfo(privateKeyData);
            SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance(privateKeyInfo.getAlgName());
            PBEKeySpec keySpec = new PBEKeySpec(jwtConfig.privateKeyPassword().toCharArray());
            SecretKey secretKey = secretKeyFactory.generateSecret(keySpec);
            Cipher cipher = Cipher.getInstance(privateKeyInfo.getAlgName());
            cipher.init(DECRYPT_MODE, secretKey, privateKeyInfo.getAlgParameters());
            return keyFactory.generatePrivate(privateKeyInfo.getKeySpec(cipher));
        }
        LOGGER.info("Creating PKCS8EncodedKeySpec from private key !!");
        return keyFactory.generatePrivate(new PKCS8EncodedKeySpec(decodePrivateKeyData(keyData, false)));
    } catch (GeneralSecurityException | IOException ex) {
        LOGGER.error(ex.getMessage(), ex);
        throw new KeyInitializationException(ex.getMessage(), ex);
    }
}

From source file:com.microsoft.azure.keyvault.test.CertificateOperationsTest.java

/**
 * Extracts private key from PEM contents
 * /*from www.j  a  v  a 2s.  c o  m*/
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 */
private static PrivateKey extractPrivateKeyFromPemContents(String pemContents)
        throws InvalidKeySpecException, NoSuchAlgorithmException {
    Matcher matcher = _privateKey.matcher(pemContents);
    if (!matcher.find()) {
        throw new IllegalArgumentException("No private key found in PEM contents.");
    }

    byte[] privateKeyBytes = _base64.decode(matcher.group(1));
    PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(privateKeyBytes);
    KeyFactory keyFactory = KeyFactory.getInstance(ALGO_RSA);
    PrivateKey privateKey = keyFactory.generatePrivate(keySpec);
    return privateKey;
}

From source file:hudson.model.UsageStatisticsTest.java

/**
 * Makes sure that the stat data can be decrypted safely.
 *//*from   w  w w  . j  ava  2s.  co  m*/
public void testRoundtrip() throws Exception {
    // key pair for testing
    String privateKey = "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";
    String publicKey = "30819f300d06092a864886f70d010101050003818d003081890281810084cababdb38040f659c2cb07a36d758f46e84ebc3d6ba39d967aedf1d396b0788ed3ab868d45ce280b1102b434c2a250ddc3254defe1785ab4f94d7038cf69ecca16753d2de3f6ad8976b3f74902d8634111d730982da74e1a6e3fc0bc3523bba53e45b8a8cbfd0321b94efc9f7fefbe66ad85281e3d0323d87f4426ec51204f0203010001";

    String data = new UsageStatistics(publicKey).getStatData();
    System.out.println(data);

    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    PrivateKey priv = keyFactory.generatePrivate(new PKCS8EncodedKeySpec(Util.fromHexString(privateKey)));

    Cipher cipher = Cipher.getInstance("RSA");
    cipher.init(Cipher.DECRYPT_MODE, priv);

    byte[] cipherText = Base64.decode(data.toCharArray());
    InputStreamReader r = new InputStreamReader(
            new GZIPInputStream(
                    new CombinedCipherInputStream(new ByteArrayInputStream(cipherText), cipher, "AES", 1024)),
            "UTF-8");
    JSONObject o = JSONObject.fromObject(IOUtils.toString(r));
    System.out.println(o);
    assertEquals(1, o.getInt("stat"));
}