Java Code Examples for java.security.interfaces.RSAPrivateKey#getPrivateExponent()

The following examples show how to use java.security.interfaces.RSAPrivateKey#getPrivateExponent() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: KeyGeneratorCli.java    From protect with MIT License 6 votes vote down vote up 
public static PaillierKeyPair convertToPaillier(final KeyPair rsaKeyPair)
		throws InvalidKeySpecException, NoSuchAlgorithmException {
	// Get keys
	final RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) rsaKeyPair.getPrivate();
	final RSAPublicKey rsaPublicKey = (RSAPublicKey) rsaKeyPair.getPublic();

	// Get fields
	final BigInteger n = rsaPublicKey.getModulus(); // treat as 'n'
	final BigInteger g = rsaPublicKey.getPublicExponent(); // treat as 'g'
	final BigInteger lambda = rsaPrivateKey.getPrivateExponent(); // treat as 'lambda'

	// Convert them back to Paillier keys
	final PaillierPrivateKey privKey = new PaillierPrivateKey(lambda, n);
	final PaillierPublicKey pubKey = new PaillierPublicKey(n, g);

	// Convert to key pair
	return new PaillierKeyPair(pubKey, privKey);
}
Example 2
Source File: MessageStatusCli.java    From protect with MIT License 6 votes vote down vote up 
public static PaillierKeyPair convertToPaillier(final KeyPair rsaKeyPair)
		throws InvalidKeySpecException, NoSuchAlgorithmException {
	// Get keys
	final RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) rsaKeyPair.getPrivate();
	final RSAPublicKey rsaPublicKey = (RSAPublicKey) rsaKeyPair.getPublic();

	// Get fields
	final BigInteger n = rsaPublicKey.getModulus(); // treat as 'n'
	final BigInteger g = rsaPublicKey.getPublicExponent(); // treat as 'g'
	final BigInteger lambda = rsaPrivateKey.getPrivateExponent(); // treat as 'lambda'

	// Convert them back to Paillier keys
	final PaillierPrivateKey privKey = new PaillierPrivateKey(lambda, n);
	final PaillierPublicKey pubKey = new PaillierPublicKey(n, g);

	// Convert to key pair
	return new PaillierKeyPair(pubKey, privKey);
}
Example 3
Source File: KeyPairGen.java    From heisenberg with Apache License 2.0 6 votes vote down vote up 
public static String encrypt(byte[] keyBytes, String plainText) throws Exception {
    PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyBytes);
    KeyFactory factory = KeyFactory.getInstance("RSA");
    PrivateKey privateKey = factory.generatePrivate(spec);
    Cipher cipher = Cipher.getInstance("RSA");
    try {
        cipher.init(1, privateKey);
    } catch (InvalidKeyException e) {
        RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) privateKey;
        RSAPublicKeySpec publicKeySpec = new RSAPublicKeySpec(rsaPrivateKey.getModulus(),
            rsaPrivateKey.getPrivateExponent());
        Key fakePublicKey = KeyFactory.getInstance("RSA").generatePublic(publicKeySpec);
        cipher = Cipher.getInstance("RSA");
        cipher.init(1, fakePublicKey);
    }

    byte[] encryptedBytes = cipher.doFinal(plainText.getBytes());
    return Base64.encodeBase64String(encryptedBytes);

}
Example 4
Source File: DecryptUtil.java    From Mycat2 with GNU General Public License v3.0 6 votes vote down vote up 
public static String encrypt(byte[] keyBytes, String plainText)
		throws Exception {
	PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyBytes);
	KeyFactory factory = KeyFactory.getInstance("RSA");
	PrivateKey privateKey = factory.generatePrivate(spec);
	Cipher cipher = Cipher.getInstance("RSA");
       try {
	    cipher.init(Cipher.ENCRYPT_MODE, privateKey);
       } catch (InvalidKeyException e) {
           //For IBM JDK, 原因请看解密方法中的说明
           RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) privateKey;
           RSAPublicKeySpec publicKeySpec = new RSAPublicKeySpec(rsaPrivateKey.getModulus(), rsaPrivateKey.getPrivateExponent());
           Key fakePublicKey = KeyFactory.getInstance("RSA").generatePublic(publicKeySpec);
           cipher = Cipher.getInstance("RSA");
           cipher.init(Cipher.ENCRYPT_MODE, fakePublicKey);
       }

	byte[] encryptedBytes = cipher.doFinal(plainText.getBytes("UTF-8"));
	String encryptedString = Base64.byteArrayToBase64(encryptedBytes);

	return encryptedString;
}
Example 5
Source File: DecryptUtil.java    From dble with GNU General Public License v2.0 6 votes vote down vote up 
private static String encrypt(byte[] keyBytes, String plainText)
        throws Exception {
    PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyBytes);
    KeyFactory factory = KeyFactory.getInstance("RSA");
    PrivateKey privateKey = factory.generatePrivate(spec);
    Cipher cipher = Cipher.getInstance("RSA");
    try {
        cipher.init(Cipher.ENCRYPT_MODE, privateKey);
    } catch (InvalidKeyException e) {
        //For IBM JDK
        RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) privateKey;
        RSAPublicKeySpec publicKeySpec = new RSAPublicKeySpec(rsaPrivateKey.getModulus(), rsaPrivateKey.getPrivateExponent());
        Key fakePublicKey = KeyFactory.getInstance("RSA").generatePublic(publicKeySpec);
        cipher = Cipher.getInstance("RSA");
        cipher.init(Cipher.ENCRYPT_MODE, fakePublicKey);
    }

    byte[] encryptedBytes = cipher.doFinal(plainText.getBytes("UTF-8"));
    return Base64.byteArrayToBase64(encryptedBytes);
}
Example 6
Source File: KeyGeneratorCli.java    From protect with MIT License 5 votes vote down vote up 
public static PaillierPrivateKey convertToPaillierPrivateKey(final RSAPrivateKey rsaPrivateKey)
		throws InvalidKeySpecException, NoSuchAlgorithmException {

	// Get fields
	final BigInteger n = rsaPrivateKey.getModulus(); // treat as 'n'
	final BigInteger lambda = rsaPrivateKey.getPrivateExponent(); // treat as 'lambda'

	// Convert them back to Paillier private key
	return new PaillierPrivateKey(lambda, n);
}
Example 7
Source File: MessageStatusCli.java    From protect with MIT License 5 votes vote down vote up 
public static PaillierPrivateKey convertToPaillierPrivateKey(final RSAPrivateKey rsaPrivateKey)
		throws InvalidKeySpecException, NoSuchAlgorithmException {

	// Get fields
	final BigInteger n = rsaPrivateKey.getModulus(); // treat as 'n'
	final BigInteger lambda = rsaPrivateKey.getPrivateExponent(); // treat as 'lambda'

	// Convert them back to Paillier private key
	return new PaillierPrivateKey(lambda, n);
}
Example 8
Source File: Pem.java    From protect with MIT License 5 votes vote down vote up 
public static PaillierPrivateKey convertToPaillierPrivateKey(final RSAPrivateKey rsaPrivateKey)
		throws InvalidKeySpecException, NoSuchAlgorithmException {

	// Get fields
	final BigInteger n = rsaPrivateKey.getModulus(); // treat as 'n'
	final BigInteger lambda = rsaPrivateKey.getPrivateExponent(); // treat as 'lambda'

	// Convert them back to Paillier private key
	return new PaillierPrivateKey(lambda, n);
}
Example 9
Source File: SslConfigurer.java    From ambari-logsearch with Apache License 2.0 5 votes vote down vote up 
private X509Certificate createCert(KeyPair keyPair, String signatureAlgoritm, String domainName)
  throws NoSuchAlgorithmException, InvalidKeyException, SignatureException, OperatorCreationException, CertificateException, IOException {
  
  RSAPublicKey rsaPublicKey = (RSAPublicKey) keyPair.getPublic();
  RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate();
  
  AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find(signatureAlgoritm);
  AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
  BcContentSignerBuilder sigGen = new BcRSAContentSignerBuilder(sigAlgId, digAlgId);
  
  ASN1InputStream publicKeyStream = new ASN1InputStream(rsaPublicKey.getEncoded());
  SubjectPublicKeyInfo pubKey = SubjectPublicKeyInfo.getInstance(publicKeyStream.readObject());
  publicKeyStream.close();
  
  X509v3CertificateBuilder v3CertBuilder = new X509v3CertificateBuilder(
      new X500Name("CN=" + domainName + ", OU=None, O=None L=None, C=None"),
      BigInteger.valueOf(Math.abs(new SecureRandom().nextInt())),
      new Date(System.currentTimeMillis() - 1000L * 60 * 60 * 24 * 30),
      new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 365*10)),
      new X500Name("CN=" + domainName + ", OU=None, O=None L=None, C=None"),
      pubKey);
  
  RSAKeyParameters keyParams = new RSAKeyParameters(true, rsaPrivateKey.getPrivateExponent(), rsaPrivateKey.getModulus());
  ContentSigner contentSigner = sigGen.build(keyParams);
  
  X509CertificateHolder certificateHolder = v3CertBuilder.build(contentSigner);
  
  JcaX509CertificateConverter certConverter = new JcaX509CertificateConverter().setProvider("BC");
  return certConverter.getCertificate(certificateHolder);
}
Example 10
Source File: HttpTestUtil.java    From gocd with Apache License 2.0 5 votes vote down vote up 
private KeyPair generateKeyPair() {
    try {
        KeyPair seed = KeyPairGenerator.getInstance("RSA", "BC").generateKeyPair();
        RSAPrivateKey privateSeed = (RSAPrivateKey) seed.getPrivate();
        RSAPublicKey publicSeed = (RSAPublicKey) seed.getPublic();
        KeyFactory fact = KeyFactory.getInstance("RSA", "BC");
        RSAPrivateKeySpec privateKeySpec = new RSAPrivateKeySpec(privateSeed.getModulus(), privateSeed.getPrivateExponent());
        RSAPublicKeySpec publicKeySpec = new RSAPublicKeySpec(publicSeed.getModulus(), publicSeed.getPublicExponent());
        return new KeyPair(fact.generatePublic(publicKeySpec), fact.generatePrivate(privateKeySpec));
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
Example 11
Source File: RsaPrivateKeyDef.java    From swim with Apache License 2.0 5 votes vote down vote up 
public static RsaPrivateKeyDef from(RSAPrivateKey key) {
  if (key instanceof RSAMultiPrimePrivateCrtKey) {
    return from((RSAMultiPrimePrivateCrtKey) key);
  } else if (key instanceof RSAPrivateCrtKey) {
    return from((RSAPrivateCrtKey) key);
  } else {
    return new RsaPrivateKeyDef(key.getModulus(), key.getPrivateExponent(), key);
  }
}
Example 12
Source File: PrivateKeyEqualityTest.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
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");
    }
}
Example 13
Source File: BCRSAPrivateKey.java    From RipplePower with Apache License 2.0 4 votes vote down vote up 
BCRSAPrivateKey(
    RSAPrivateKey key)
{
    this.modulus = key.getModulus();
    this.privateExponent = key.getPrivateExponent();
}
Example 14
Source File: JCERSAPrivateKey.java    From RipplePower with Apache License 2.0 4 votes vote down vote up 
JCERSAPrivateKey(
    RSAPrivateKey key)
{
    this.modulus = key.getModulus();
    this.privateExponent = key.getPrivateExponent();
}
Example 15
Source File: PrivateKeyEqualityTest.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
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");
    }
}
Example 16
Source File: BCRSAPrivateKey.java    From ripple-lib-java with ISC License 4 votes vote down vote up 
BCRSAPrivateKey(
    RSAPrivateKey key)
{
    this.modulus = key.getModulus();
    this.privateExponent = key.getPrivateExponent();
}
Example 17
Source File: JCERSAPrivateKey.java    From ripple-lib-java with ISC License 4 votes vote down vote up 
JCERSAPrivateKey(
    RSAPrivateKey key)
{
    this.modulus = key.getModulus();
    this.privateExponent = key.getPrivateExponent();
}
Example 18
Source File: PrivateKeyEqualityTest.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
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");
    }
}
Example 19
Source File: PrivateKeyEqualityTest.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
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");
    }
}
Example 20
Source File: PrivateKeyEqualityTest.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
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");
    }
}