Java Code Examples for java.security.interfaces.RSAPrivateCrtKey#getPrimeExponentP()

The following examples show how to use java.security.interfaces.RSAPrivateCrtKey#getPrimeExponentP() . 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: ModPowVectors.java    From jna-gmp with Apache License 2.0 6 votes vote down vote up
private static void generateTestVector(int rsaKeyBits, int suffix) throws Exception {
  KeyPair pair = generateKeyPair(rsaKeyBits);
  RSAPrivateCrtKey priv = (RSAPrivateCrtKey) pair.getPrivate();

  // The core RSA private key operation is doing the modPow for the two components.
  BigInteger p = priv.getPrimeP();
  BigInteger dp = priv.getPrimeExponentP();
  BigInteger q = priv.getPrimeQ();
  BigInteger dq = priv.getPrimeExponentQ();

  byte[] random = new byte[rsaKeyBits / 8];
  SECURE_RANDOM.nextBytes(random);
  // Clear the top bit to ensure it fits.
  random[0] &= 0x7F;
  BigInteger message = new BigInteger(1, random);
  BigInteger pResult = message.modPow(dp, p);
  BigInteger qResult = message.modPow(dq, q);

  System.out.println("public static final TestVector VECTOR" + suffix + " = ");
  new TestVector(message, p, dp, pResult, q, dq, qResult).printJavaConstructorFor();
  System.out.println();
}
 
Example 2
Source File: KeyStoreGenerator.java    From cute-proxy with BSD 2-Clause "Simplified" License 5 votes vote down vote up
private RSAPrivateCrtKeyParameters getPrivateKeyParameters(RSAPrivateCrtKey privateCrtKey) {
    return new RSAPrivateCrtKeyParameters(privateCrtKey.getModulus(),
            privateCrtKey.getPublicExponent(),
            privateCrtKey.getPrivateExponent(),
            privateCrtKey.getPrimeP(), privateCrtKey.getPrimeQ(), privateCrtKey.getPrimeExponentP(),
            privateCrtKey.getPrimeExponentQ(),
            privateCrtKey.getCrtCoefficient());
}
 
Example 3
Source File: JCERSAPrivateCrtKey.java    From RipplePower with Apache License 2.0 5 votes vote down vote up
/**
 * construct a private key from another RSAPrivateCrtKey.
 *
 * @param key the object implementing the RSAPrivateCrtKey interface.
 */
JCERSAPrivateCrtKey(
    RSAPrivateCrtKey key)
{
    this.modulus = key.getModulus();
    this.publicExponent = key.getPublicExponent();
    this.privateExponent = key.getPrivateExponent();
    this.primeP = key.getPrimeP();
    this.primeQ = key.getPrimeQ();
    this.primeExponentP = key.getPrimeExponentP();
    this.primeExponentQ = key.getPrimeExponentQ();
    this.crtCoefficient = key.getCrtCoefficient();
}
 
Example 4
Source File: BCRSAPrivateCrtKey.java    From RipplePower with Apache License 2.0 5 votes vote down vote up
/**
 * construct a private key from another RSAPrivateCrtKey.
 *
 * @param key the object implementing the RSAPrivateCrtKey interface.
 */
BCRSAPrivateCrtKey(
    RSAPrivateCrtKey key)
{
    this.modulus = key.getModulus();
    this.publicExponent = key.getPublicExponent();
    this.privateExponent = key.getPrivateExponent();
    this.primeP = key.getPrimeP();
    this.primeQ = key.getPrimeQ();
    this.primeExponentP = key.getPrimeExponentP();
    this.primeExponentQ = key.getPrimeExponentQ();
    this.crtCoefficient = key.getCrtCoefficient();
}
 
Example 5
Source File: SignerUtil.java    From xipki with Apache License 2.0 5 votes vote down vote up
public static RSAKeyParameters generateRSAPrivateKeyParameter(RSAPrivateKey key) {
  Args.notNull(key, "key");
  if (key instanceof RSAPrivateCrtKey) {
    RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey) key;

    return new RSAPrivateCrtKeyParameters(rsaKey.getModulus(), rsaKey.getPublicExponent(),
        rsaKey.getPrivateExponent(), rsaKey.getPrimeP(), rsaKey.getPrimeQ(),
        rsaKey.getPrimeExponentP(), rsaKey.getPrimeExponentQ(), rsaKey.getCrtCoefficient());
  } else {
    return new RSAKeyParameters(true, key.getModulus(), key.getPrivateExponent());
  }
}
 
Example 6
Source File: JCERSAPrivateCrtKey.java    From ripple-lib-java with ISC License 5 votes vote down vote up
/**
 * construct a private key from another RSAPrivateCrtKey.
 *
 * @param key the object implementing the RSAPrivateCrtKey interface.
 */
JCERSAPrivateCrtKey(
    RSAPrivateCrtKey key)
{
    this.modulus = key.getModulus();
    this.publicExponent = key.getPublicExponent();
    this.privateExponent = key.getPrivateExponent();
    this.primeP = key.getPrimeP();
    this.primeQ = key.getPrimeQ();
    this.primeExponentP = key.getPrimeExponentP();
    this.primeExponentQ = key.getPrimeExponentQ();
    this.crtCoefficient = key.getCrtCoefficient();
}
 
Example 7
Source File: BCRSAPrivateCrtKey.java    From ripple-lib-java with ISC License 5 votes vote down vote up
/**
 * construct a private key from another RSAPrivateCrtKey.
 *
 * @param key the object implementing the RSAPrivateCrtKey interface.
 */
BCRSAPrivateCrtKey(
    RSAPrivateCrtKey key)
{
    this.modulus = key.getModulus();
    this.publicExponent = key.getPublicExponent();
    this.privateExponent = key.getPrivateExponent();
    this.primeP = key.getPrimeP();
    this.primeQ = key.getPrimeQ();
    this.primeExponentP = key.getPrimeExponentP();
    this.primeExponentQ = key.getPrimeExponentQ();
    this.crtCoefficient = key.getCrtCoefficient();
}
 
Example 8
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");
    }
}
 
Example 9
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 10
Source File: PrivateKeyEqualityTest.java    From openjdk-jdk8u 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 11
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 12
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 13
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 14
Source File: RsaKeyTest.java    From wycheproof with Apache License 2.0 4 votes vote down vote up
private void checkPrivateCrtKey(RSAPrivateCrtKey key, int expectedKeySize) throws Exception {
  BigInteger p = key.getPrimeP();
  BigInteger q = key.getPrimeQ();
  BigInteger n = key.getModulus();
  BigInteger e = key.getPublicExponent();
  BigInteger d = key.getPrivateExponent();
  BigInteger dp = key.getPrimeExponentP();
  BigInteger dq = key.getPrimeExponentQ();
  BigInteger crtCoeff = key.getCrtCoefficient();

  // Simple test that (n,d,e) is a valid RSA key.
  assertEquals(n, p.multiply(q));
  assertEquals(expectedKeySize, n.bitLength());
  int certainty = 80;
  assertTrue(p.isProbablePrime(certainty));
  assertTrue(q.isProbablePrime(certainty));
  // Very simple checks for weak random number generators.
  RandomUtil.checkPrime(p);
  RandomUtil.checkPrime(q);
  // TODO(bleichen): Keys that are very imbalanced can be broken with elliptic curve factoring.
  //   Add other checks. E.g. for the size of dp and dq
  assertTrue(p.bitLength() > 256);
  assertTrue(q.bitLength() > 256);
  BigInteger p1 = p.subtract(BigInteger.ONE);
  BigInteger q1 = q.subtract(BigInteger.ONE);
  BigInteger phi = p1.multiply(q1);
  BigInteger order = phi.divide(p1.gcd(q1)); // maximal order of elements
  // RFC 8017 Section 3.2 specifies that d is a positive integer smaller than n satisfying
  //    e * d == 1 (mod lcm(p-1, q-1)).
  // FIPS-PUB 186-4 specifies that d is the smallest positive integer satisfying
  // the equation above and further specifies that key with d < 2^(n.bitlenght()/2) are not
  // allowed. The second condition is very unlikely to hold if keys are chosen at random.
  // Hence seeing a small d indicates with high probability a faulty key generation, such
  // as switching e and d, or selecting the primes p and q incorretly.
  // Such keys can likely be broken easily. I.e. since lcm(p - 1, q - 1) divides d * e - 1,
  // it follows that (p - 1) * (q - 1) divides (d * e - 1) * gcd(p - 1, q - 1).
  // Hence if d * e - 1 is small then p - 1 and q - 1 must have a large common factor g.
  assertEquals(1, d.compareTo(BigInteger.ONE));
  assertEquals(-1, d.compareTo(n)); // This is the requirement of RFC 8017
  // The following would be the stricter requirement of FIPS-PUB 186-4.
  // assertEquals(-1, d.compareTo(order));
  assertTrue(d.bitLength() > expectedKeySize / 2);
  assertEquals(BigInteger.ONE, d.multiply(e).mod(order));
  assertEquals(d.mod(p1), dp.mod(p1));
  assertEquals(d.mod(q1), dq.mod(q1));
  assertEquals(q.multiply(crtCoeff).mod(p), BigInteger.ONE);
  // Checks that p - 1 and q - 1 do not have a large common factor g. Since large common
  // factors are very unlikely to occur at random one has to assume that such an event is caused
  // by a faulty generation and that g is in fact known. Coppersmith showed how to factor an RSA
  // modulus if about 1/4 of the low order bits of a factor is known.
  assertTrue(p1.gcd(q1).bitLength() < expectedKeySize / 4);
}
 
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");
    }
}