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

Example 41 with RSAPrivateCrtKeySpec

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

the class RSAPrivateCrtKeySpecTest method testGetPrimeExponentP.

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

Example 42 with RSAPrivateCrtKeySpec

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

the class RSAPrivateCrtKeySpecTest method testGetPrimeExponentQ.

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

Example 43 with RSAPrivateCrtKeySpec

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

the class RSAPrivateCrtKeySpecTest method testGetPrimeP.

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

Example 44 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project vert.x by eclipse.

the class PrivateKeyParser method getRSAKeySpec.

/**
 * Convert PKCS#1 encoded private key into RSAPrivateCrtKeySpec.
 * <p/>
 * <p/>The ASN.1 syntax for the private key with CRT is
 * <p/>
 * <pre>
 * --
 * -- Representation of RSA private key with information for the CRT algorithm.
 * --
 * RSAPrivateKey ::= SEQUENCE {
 *   version           Version,
 *   modulus           INTEGER,  -- n
 *   publicExponent    INTEGER,  -- e
 *   privateExponent   INTEGER,  -- d
 *   prime1            INTEGER,  -- p
 *   prime2            INTEGER,  -- q
 *   exponent1         INTEGER,  -- d mod (p-1)
 *   exponent2         INTEGER,  -- d mod (q-1)
 *   coefficient       INTEGER,  -- (inverse of q) mod p
 *   otherPrimeInfos   OtherPrimeInfos OPTIONAL
 * }
 * </pre>
 *
 * @param keyBytes PKCS#1 encoded key
 * @return KeySpec
 * @throws VertxException
 */
public static RSAPrivateCrtKeySpec getRSAKeySpec(byte[] keyBytes) throws VertxException {
    DerParser parser = new DerParser(keyBytes);
    Asn1Object sequence = parser.read();
    if (sequence.getType() != DerParser.SEQUENCE) {
        throw new VertxException("Invalid DER: not a sequence");
    }
    // Parse inside the sequence
    parser = sequence.getParser();
    // Skip version
    parser.read();
    BigInteger modulus = parser.read().getInteger();
    BigInteger publicExp = parser.read().getInteger();
    BigInteger privateExp = parser.read().getInteger();
    BigInteger prime1 = parser.read().getInteger();
    BigInteger prime2 = parser.read().getInteger();
    BigInteger exp1 = parser.read().getInteger();
    BigInteger exp2 = parser.read().getInteger();
    BigInteger crtCoef = parser.read().getInteger();
    return new RSAPrivateCrtKeySpec(modulus, publicExp, privateExp, prime1, prime2, exp1, exp2, crtCoef);
}

Example 45 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project dbeaver by serge-rider.

the class PKCS1Util method loadPrivateKeyFromPKCS1.

public static PrivateKey loadPrivateKeyFromPKCS1(String privateKeyPem) throws GeneralSecurityException, IOException {
    DerInputStream derReader = new DerInputStream(Base64.decode(privateKeyPem));
    DerValue[] seq = derReader.getSequence(0);
    if (seq.length < 9) {
        throw new GeneralSecurityException("Could not parse a PKCS1 private key.");
    }
    // skip version seq[0];
    BigInteger modulus = seq[1].getBigInteger();
    BigInteger publicExp = seq[2].getBigInteger();
    BigInteger privateExp = seq[3].getBigInteger();
    BigInteger prime1 = seq[4].getBigInteger();
    BigInteger prime2 = seq[5].getBigInteger();
    BigInteger exp1 = seq[6].getBigInteger();
    BigInteger exp2 = seq[7].getBigInteger();
    BigInteger crtCoef = seq[8].getBigInteger();
    RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(modulus, publicExp, privateExp, prime1, prime2, exp1, exp2, crtCoef);
    KeyFactory factory = KeyFactory.getInstance("RSA");
    return factory.generatePrivate(keySpec);
}