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

Example 46 with RSAPrivateKeySpec

use of java.security.spec.RSAPrivateKeySpec in project azure-sdk-for-java by Azure.

the class JsonWebKey method getRSAPrivateKey.

/**
     * Get the RSA private key value.
     *
     * @param provider the Java security provider.
     * @return the RSA private key value
     */
private PrivateKey getRSAPrivateKey(Provider provider) {
    try {
        RSAPrivateKeySpec privateKeySpec = getRSAPrivateKeySpec();
        KeyFactory factory = provider != null ? KeyFactory.getInstance("RSA", provider) : KeyFactory.getInstance("RSA");
        return factory.generatePrivate(privateKeySpec);
    } catch (GeneralSecurityException e) {
        throw new IllegalStateException(e);
    }
}

Example 47 with RSAPrivateKeySpec

use of java.security.spec.RSAPrivateKeySpec in project oxAuth by GluuFederation.

the class RSASigner method sign.

@Override
public String sign(String signingInput) throws Exception {
    if (Strings.isNullOrEmpty(signingInput)) {
        throw new Exception("Invalid signing input");
    }
    try {
        RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(), rsaPrivateKey.getPrivateExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
        PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);
        Signature signature = Signature.getInstance(getSignatureAlgorithm().getAlgorithm(), "BC");
        signature.initSign(privateKey);
        signature.update(signingInput.getBytes(Util.UTF8_STRING_ENCODING));
        return Base64Util.base64urlencode(signature.sign());
    } catch (NoSuchAlgorithmException e) {
        throw new Exception("There was a problem in RSA signing", e);
    } catch (UnsupportedEncodingException e) {
        throw new Exception("There was a problem in RSA signing", e);
    } catch (SignatureException e) {
        throw new Exception("There was a problem in RSA signing", e);
    } catch (NoSuchProviderException e) {
        throw new Exception("There was a problem in RSA signing", e);
    } catch (InvalidKeyException e) {
        throw new Exception("There was a problem in RSA signing", e);
    } catch (InvalidKeySpecException e) {
        throw new Exception("There was a problem in RSA signing", e);
    }
}

Example 48 with RSAPrivateKeySpec

use of java.security.spec.RSAPrivateKeySpec in project oxAuth by GluuFederation.

the class RSASigner method generateSignature.

@Override
public String generateSignature(String signingInput) throws SignatureException {
    if (getSignatureAlgorithm() == null) {
        throw new SignatureException("The signature algorithm is null");
    }
    if (rsaPrivateKey == null) {
        throw new SignatureException("The RSA private key is null");
    }
    if (signingInput == null) {
        throw new SignatureException("The signing input is null");
    }
    try {
        RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(), rsaPrivateKey.getPrivateExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
        PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);
        Signature signature = Signature.getInstance(getSignatureAlgorithm().getAlgorithm(), "BC");
        signature.initSign(privateKey);
        signature.update(signingInput.getBytes(Util.UTF8_STRING_ENCODING));
        return Base64Util.base64urlencode(signature.sign());
    } catch (InvalidKeySpecException e) {
        throw new SignatureException(e);
    } catch (InvalidKeyException e) {
        throw new SignatureException(e);
    } catch (NoSuchAlgorithmException e) {
        throw new SignatureException(e);
    } catch (NoSuchProviderException e) {
        throw new SignatureException(e);
    } catch (SignatureException e) {
        throw new SignatureException(e);
    } catch (UnsupportedEncodingException e) {
        throw new SignatureException(e);
    } catch (Exception e) {
        throw new SignatureException(e);
    }
}

Example 49 with RSAPrivateKeySpec

use of java.security.spec.RSAPrivateKeySpec in project jdk8u_jdk by JetBrains.

the class KeySizeTest method main.

public static void main(String[] args) throws Exception {
    int iKeyPairSize = Integer.parseInt(args[0]);
    int maxLoopCnt = Integer.parseInt(args[1]);
    int failCount = 0;
    KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance(KEYALG, PROVIDER_NAME);
    keyPairGen.initialize(iKeyPairSize);
    // Generate RSA keypair
    KeyPair keyPair = keyPairGen.generateKeyPair();
    // Get priavte and public keys
    PrivateKey privateKey = keyPair.getPrivate();
    PublicKey publicKey = keyPair.getPublic();
    try {
        if (!sizeTest(keyPair)) {
            failCount++;
        }
    } catch (Exception ex) {
        ex.printStackTrace(System.err);
        failCount++;
    }
    for (int iCnt = 0; iCnt < maxLoopCnt; iCnt++) {
        // Get keysize (modulus) of keys
        KeyFactory keyFact = KeyFactory.getInstance(KEYALG, PROVIDER_NAME);
        // Comparing binary length.
        RSAPrivateKeySpec privateKeySpec = (RSAPrivateKeySpec) keyFact.getKeySpec(privateKey, RSAPrivateKeySpec.class);
        int iPrivateKeySize = privateKeySpec.getModulus().bitLength();
        RSAPublicKeySpec publicKeySpec = (RSAPublicKeySpec) keyFact.getKeySpec(publicKey, RSAPublicKeySpec.class);
        int iPublicKeySize = publicKeySpec.getModulus().bitLength();
        if ((iKeyPairSize != iPublicKeySize) || (iKeyPairSize != iPrivateKeySize)) {
            System.err.println("iKeyPairSize : " + iKeyPairSize);
            System.err.println("Generated a " + iPrivateKeySize + " bit RSA private key");
            System.err.println("Generated a " + iPublicKeySize + " bit RSA public key");
            failCount++;
        }
    }
    if (failCount > 0) {
        throw new RuntimeException("There are " + failCount + " tests failed.");
    }
}

Example 50 with RSAPrivateKeySpec

use of java.security.spec.RSAPrivateKeySpec in project jdk8u_jdk by JetBrains.

the class PrivateKeyEqualityTest method main.

public static void main(String[] args) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException {
    // Generate the first key.
    KeyPairGenerator generator = KeyPairGenerator.getInstance(KEYALG, PROVIDER_NAME);
    KeyPair keyPair = generator.generateKeyPair();
    RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate();
    if (!(rsaPrivateKey instanceof RSAPrivateCrtKey)) {
        System.err.println("rsaPrivateKey class : " + rsaPrivateKey.getClass().getName());
        throw new RuntimeException("rsaPrivateKey is not a RSAPrivateCrtKey instance");
    }
    // Generate the second key.
    KeyFactory factory = KeyFactory.getInstance(KEYALG, PROVIDER_NAME);
    RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(), rsaPrivateKey.getPrivateExponent());
    RSAPrivateKey rsaPrivateKey2 = (RSAPrivateKey) factory.generatePrivate(rsaPrivateKeySpec);
    // Generate the third key.
    PKCS8EncodedKeySpec encodedKeySpec = new PKCS8EncodedKeySpec(rsaPrivateKey.getEncoded());
    RSAPrivateKey rsaPrivateKey3 = (RSAPrivateKey) factory.generatePrivate(encodedKeySpec);
    // Check for equality.
    if (rsaPrivateKey.equals(rsaPrivateKey2)) {
        throw new RuntimeException("rsaPrivateKey should not equal to rsaPrivateKey2");
    }
    if (!rsaPrivateKey3.equals(rsaPrivateKey)) {
        throw new RuntimeException("rsaPrivateKey3 should equal to rsaPrivateKey");
    }
    if (rsaPrivateKey3.equals(rsaPrivateKey2)) {
        throw new RuntimeException("rsaPrivateKey3 should not equal to rsaPrivateKey2");
    }
    if (rsaPrivateKey2.equals(rsaPrivateKey3)) {
        throw new RuntimeException("rsaPrivateKey2 should not equal to rsaPrivateKey3");
    }
    // Generate the fourth key.
    RSAPrivateCrtKey rsaPrivateCrtKey = (RSAPrivateCrtKey) rsaPrivateKey;
    RSAPrivateCrtKeySpec rsaPrivateCrtKeySpec = new RSAPrivateCrtKeySpec(rsaPrivateCrtKey.getModulus(), rsaPrivateCrtKey.getPublicExponent(), rsaPrivateCrtKey.getPrivateExponent(), rsaPrivateCrtKey.getPrimeP(), rsaPrivateCrtKey.getPrimeQ(), rsaPrivateCrtKey.getPrimeExponentP(), rsaPrivateCrtKey.getPrimeExponentQ(), rsaPrivateCrtKey.getCrtCoefficient());
    RSAPrivateCrtKey rsaPrivateKey4 = (RSAPrivateCrtKey) factory.generatePrivate(rsaPrivateCrtKeySpec);
    if (!rsaPrivateKey.equals(rsaPrivateKey4)) {
        throw new RuntimeException("rsaPrivateKey should equal to rsaPrivateKey4");
    }
}