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

Example 91 with KeySpec

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

the class SubjectPublicKeyInfo method getPublicKey.

/**
     * Returns the PublicKey corresponding to this SubjectPublicKeyInfo
     * instance.
     */
public PublicKey getPublicKey() {
    if (publicKey == null) {
        final byte[] encoded = getEncoded();
        final KeySpec keySpec = new X509EncodedKeySpec(encoded);
        /* Try using the algorithm name first. */
        final String algName = algorithmID.getAlgorithmName();
        publicKey = generateKeyForAlgorithm(keySpec, algName);
        /*
             * Fall back to using the algorithm OID if it's not the same as the
             * algorithm name.
             */
        final String algOid = algorithmID.getAlgorithm();
        if (publicKey == null && !algOid.equals(algName)) {
            publicKey = generateKeyForAlgorithm(keySpec, algOid);
        }
        /*
             * Encode this as an X.509 public key since we didn't have any
             * KeyFactory that could handle this algorithm name or OID. Perhaps
             * the thing that's using this can decode it.
             */
        if (publicKey == null) {
            publicKey = new X509PublicKey(algOid, encoded, subjectPublicKey);
        }
    }
    return publicKey;
}

Example 92 with KeySpec

use of java.security.spec.KeySpec in project neo4j by neo4j.

the class Certificates method loadPrivateKey.

public PrivateKey loadPrivateKey(File privateKeyFile) throws IOException, NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException {
    try (PemReader r = new PemReader(new FileReader(privateKeyFile))) {
        PemObject pemObject = r.readPemObject();
        if (pemObject != null) {
            byte[] encodedKey = pemObject.getContent();
            KeySpec keySpec = new PKCS8EncodedKeySpec(encodedKey);
            try {
                return KeyFactory.getInstance("RSA").generatePrivate(keySpec);
            } catch (InvalidKeySpecException ignore) {
                try {
                    return KeyFactory.getInstance("DSA").generatePrivate(keySpec);
                } catch (InvalidKeySpecException ignore2) {
                    try {
                        return KeyFactory.getInstance("EC").generatePrivate(keySpec);
                    } catch (InvalidKeySpecException e) {
                        throw new InvalidKeySpecException("Neither RSA, DSA nor EC worked", e);
                    }
                }
            }
        }
    }
    // Ok, failed to read as PEM file, try and read it as a raw binary private key
    try (DataInputStream in = new DataInputStream(new FileInputStream(privateKeyFile))) {
        byte[] keyBytes = new byte[(int) privateKeyFile.length()];
        in.readFully(keyBytes);
        KeySpec keySpec = new PKCS8EncodedKeySpec(keyBytes);
        return KeyFactory.getInstance(DEFAULT_ENCRYPTION).generatePrivate(keySpec);
    }
}

Example 93 with KeySpec

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

the class RSAMultiPrimePrivateCrtKeySpecTest method testRSAMultiPrimePrivateCrtKeySpec12.

/**
     * Test #12 for
     * <code>RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus,
     *                                      BigInteger publicExponent,
     *                                      BigInteger privateExponent,
     *                                      BigInteger primeP,
     *                                      BigInteger primeQ,
     *                                      BigInteger primeExponentP,
     *                                      BigInteger primeExponentQ,
     *                                      BigInteger crtCoefficient,
     *                                      RSAOtherPrimeInfo[] otherPrimeInfo)
     * </code> ctor<br>
     * Assertion: constructs <code>RSAMultiPrimePrivateCrtKeySpec</code>
     * object using valid parameters. Constructed object must be
     * instance of RSAPrivateKeySpec.
     */
public final void testRSAMultiPrimePrivateCrtKeySpec12() {
    KeySpec ks = new RSAMultiPrimePrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, opi);
    assertTrue(ks instanceof RSAPrivateKeySpec);
}

Example 94 with KeySpec

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

the class RSAMultiPrimePrivateCrtKeySpecTest method testRSAMultiPrimePrivateCrtKeySpec01.

// Test-cases:
/**
     * Test #1 for
     * <code>RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus,
     *                                      BigInteger publicExponent,
     *                                      BigInteger privateExponent,
     *                                      BigInteger primeP,
     *                                      BigInteger primeQ,
     *                                      BigInteger primeExponentP,
     *                                      BigInteger primeExponentQ,
     *                                      BigInteger crtCoefficient,
     *                                      RSAOtherPrimeInfo[] otherPrimeInfo)
     * </code> ctor<br>
     * Assertion: constructs <code>RSAMultiPrimePrivateCrtKeySpec</code>
     * object using valid parameters
     */
public final void testRSAMultiPrimePrivateCrtKeySpec01() {
    KeySpec ks = new RSAMultiPrimePrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, opi);
    assertTrue(ks instanceof RSAMultiPrimePrivateCrtKeySpec);
}

Example 95 with KeySpec

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

the class RSAPrivateCrtKeySpecTest method testRSAPrivateCrtKeySpec01.

/**
     * Test #1 for <code>RSAPrivateCrtKeySpec</code> constructor
     * Assertion: Constructs <code>RSAPrivateCrtKeySpec</code>
     * object using valid parameters
     */
public final void testRSAPrivateCrtKeySpec01() {
    KeySpec ks = new RSAPrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE);
    assertTrue(ks instanceof RSAPrivateCrtKeySpec);
}