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

Example 36 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project j2objc by google.

the class IosRSAKeyFactory method engineGetKeySpec.

@Override
@SuppressWarnings("unchecked")
protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec) throws InvalidKeySpecException {
    if (key == null) {
        throw new InvalidKeySpecException("key == null");
    }
    if (keySpec == null) {
        throw new InvalidKeySpecException("keySpec == null");
    }
    if (!"RSA".equals(key.getAlgorithm())) {
        throw new InvalidKeySpecException("Key must be a RSA key");
    }
    if (key instanceof RSAPublicKey && RSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
        RSAPublicKey rsaKey = (RSAPublicKey) key;
        return (T) new RSAPublicKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent());
    } else if (key instanceof PublicKey && RSAPublicKeySpec.class.isAssignableFrom(keySpec)) {
        final byte[] encoded = key.getEncoded();
        if (!"X.509".equals(key.getFormat()) || encoded == null) {
            throw new InvalidKeySpecException("Not a valid X.509 encoding");
        }
        RSAPublicKey rsaKey = (RSAPublicKey) engineGeneratePublic(new X509EncodedKeySpec(encoded));
        return (T) new RSAPublicKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent());
    } else if (key instanceof RSAPrivateCrtKey && RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) {
        RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) key;
        return (T) new RSAPrivateCrtKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent(), rsaKey.getPrivateExponent(), rsaKey.getPrimeP(), rsaKey.getPrimeQ(), rsaKey.getPrimeExponentP(), rsaKey.getPrimeExponentQ(), rsaKey.getCrtCoefficient());
    } else if (key instanceof RSAPrivateCrtKey && RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
        RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) key;
        return (T) new RSAPrivateKeySpec(rsaKey.getModulus(), rsaKey.getPrivateExponent());
    } else if (key instanceof RSAPrivateKey && RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
        RSAPrivateKey rsaKey = (RSAPrivateKey) key;
        return (T) new RSAPrivateKeySpec(rsaKey.getModulus(), rsaKey.getPrivateExponent());
    } else if (key instanceof PrivateKey && RSAPrivateCrtKeySpec.class.isAssignableFrom(keySpec)) {
        final byte[] encoded = key.getEncoded();
        if (!"PKCS#8".equals(key.getFormat()) || encoded == null) {
            throw new InvalidKeySpecException("Not a valid PKCS#8 encoding");
        }
        RSAPrivateKey privKey = (RSAPrivateKey) engineGeneratePrivate(new PKCS8EncodedKeySpec(encoded));
        if (privKey instanceof RSAPrivateCrtKey) {
            RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) privKey;
            return (T) new RSAPrivateCrtKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent(), rsaKey.getPrivateExponent(), rsaKey.getPrimeP(), rsaKey.getPrimeQ(), rsaKey.getPrimeExponentP(), rsaKey.getPrimeExponentQ(), rsaKey.getCrtCoefficient());
        } else {
            throw new InvalidKeySpecException("Encoded key is not an RSAPrivateCrtKey");
        }
    } else if (key instanceof PrivateKey && RSAPrivateKeySpec.class.isAssignableFrom(keySpec)) {
        final byte[] encoded = key.getEncoded();
        if (!"PKCS#8".equals(key.getFormat()) || encoded == null) {
            throw new InvalidKeySpecException("Not a valid PKCS#8 encoding");
        }
        RSAPrivateKey rsaKey = (RSAPrivateKey) engineGeneratePrivate(new PKCS8EncodedKeySpec(encoded));
        return (T) new RSAPrivateKeySpec(rsaKey.getModulus(), rsaKey.getPrivateExponent());
    } else if (key instanceof PrivateKey && PKCS8EncodedKeySpec.class.isAssignableFrom(keySpec)) {
        final byte[] encoded = key.getEncoded();
        if (!"PKCS#8".equals(key.getFormat())) {
            throw new InvalidKeySpecException("Encoding type must be PKCS#8; was " + key.getFormat());
        } else if (encoded == null) {
            throw new InvalidKeySpecException("Key is not encodable");
        }
        return (T) new PKCS8EncodedKeySpec(encoded);
    } else if (key instanceof PublicKey && X509EncodedKeySpec.class.isAssignableFrom(keySpec)) {
        final byte[] encoded = key.getEncoded();
        if (!"X.509".equals(key.getFormat())) {
            throw new InvalidKeySpecException("Encoding type must be X.509; was " + key.getFormat());
        } else if (encoded == null) {
            throw new InvalidKeySpecException("Key is not encodable");
        }
        return (T) new X509EncodedKeySpec(encoded);
    } else {
        throw new InvalidKeySpecException("Unsupported key type and key spec combination; key=" + key.getClass().getName() + ", keySpec=" + keySpec.getName());
    }
}

Example 37 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project j2objc by google.

the class IosRSAKeyFactory method engineTranslateKey.

@Override
protected Key engineTranslateKey(Key key) throws InvalidKeyException {
    if (key == null) {
        throw new InvalidKeyException("key == null");
    }
    if ((key instanceof IosRSAKey.IosRSAPublicKey) || (key instanceof IosRSAKey.IosRSAPrivateKey)) {
        return key;
    } else if (key instanceof RSAPublicKey) {
        RSAPublicKey rsaKey = (RSAPublicKey) key;
        try {
            return engineGeneratePublic(new RSAPublicKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent()));
        } catch (InvalidKeySpecException e) {
            throw new InvalidKeyException(e);
        }
    } else if (key instanceof RSAPrivateCrtKey) {
        RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) key;
        BigInteger modulus = rsaKey.getModulus();
        BigInteger publicExponent = rsaKey.getPublicExponent();
        BigInteger privateExponent = rsaKey.getPrivateExponent();
        BigInteger primeP = rsaKey.getPrimeP();
        BigInteger primeQ = rsaKey.getPrimeQ();
        BigInteger primeExponentP = rsaKey.getPrimeExponentP();
        BigInteger primeExponentQ = rsaKey.getPrimeExponentQ();
        BigInteger crtCoefficient = rsaKey.getCrtCoefficient();
        try {
            return engineGeneratePrivate(new RSAPrivateCrtKeySpec(modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, crtCoefficient));
        } catch (InvalidKeySpecException e) {
            throw new InvalidKeyException(e);
        }
    } else if (key instanceof RSAPrivateKey) {
        RSAPrivateKey rsaKey = (RSAPrivateKey) key;
        BigInteger modulus = rsaKey.getModulus();
        BigInteger privateExponent = rsaKey.getPrivateExponent();
        try {
            return engineGeneratePrivate(new RSAPrivateKeySpec(modulus, privateExponent));
        } catch (InvalidKeySpecException e) {
            throw new InvalidKeyException(e);
        }
    } else if ((key instanceof PrivateKey) && ("PKCS#8".equals(key.getFormat()))) {
        byte[] encoded = key.getEncoded();
        if (encoded == null) {
            throw new InvalidKeyException("Key does not support encoding");
        }
        try {
            return engineGeneratePrivate(new PKCS8EncodedKeySpec(encoded));
        } catch (InvalidKeySpecException e) {
            throw new InvalidKeyException(e);
        }
    } else if ((key instanceof PublicKey) && ("X.509".equals(key.getFormat()))) {
        byte[] encoded = key.getEncoded();
        if (encoded == null) {
            throw new InvalidKeyException("Key does not support encoding");
        }
        try {
            return engineGeneratePublic(new X509EncodedKeySpec(encoded));
        } catch (InvalidKeySpecException e) {
            throw new InvalidKeyException(e);
        }
    } else {
        throw new InvalidKeyException("Key must be an RSA public or private key; was " + key.getClass().getName());
    }
}

Example 38 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project j2objc by google.

the class RSAPrivateCrtKeySpecTest method testGetCrtCoefficient.

/**
 * Test for <code>getCrtCoefficient()</code> method<br>
 * Assertion: returns crt coefficient
 */
public final void testGetCrtCoefficient() {
    RSAPrivateCrtKeySpec ks = new RSAPrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.valueOf(5L));
    assertTrue(BigInteger.valueOf(5L).equals(ks.getCrtCoefficient()));
}

Example 39 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project j2objc by google.

the class RSAPrivateCrtKeySpecTest method testGetPrimeQ.

/**
 * Test for <code>getPrimeQ()</code> method<br>
 * Assertion: returns prime Q
 */
public final void testGetPrimeQ() {
    RSAPrivateCrtKeySpec ks = new RSAPrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.valueOf(5L), BigInteger.ONE, BigInteger.ONE, BigInteger.ONE);
    assertTrue(BigInteger.valueOf(5L).equals(ks.getPrimeQ()));
}

Example 40 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project j2objc by google.

the class RSAPrivateCrtKeySpecTest method testGetPrivateExponent.

/**
 * Test for <code>getPrivateExponent()</code> method<br>
 * Assertion: returns private exponent
 */
public final void testGetPrivateExponent() {
    RSAPrivateCrtKeySpec ks = new RSAPrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.valueOf(5L), BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE);
    assertTrue(BigInteger.valueOf(5L).equals(ks.getPrivateExponent()));
}