Package java.security.spec

Examples of java.security.spec.RSAPrivateCrtKeySpec

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            key = kf.generatePrivate(keySpec);
        }
        catch(InvalidKeySpecException e)
        {
            // not in PCKS#8 format - try parsing as PKCS#1
            RSAPrivateCrtKeySpec keySpec = getRSAKeySpec(content);
            KeyFactory kf = KeyFactory.getInstance("RSA");
            try
            {
                key = kf.generatePrivate(keySpec);
            }
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            byte versionTag = buffer.get();
            int versionLength = getLength(buffer);
            buffer.position(buffer.position()+versionLength);


            RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(
                    getInteger(buffer), getInteger(buffer), getInteger(buffer), getInteger(buffer), getInteger(buffer),
                    getInteger(buffer), getInteger(buffer), getInteger(buffer));

            return keySpec;
        }
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            case PGPPublicKey.RSA_ENCRYPT:
            case PGPPublicKey.RSA_GENERAL:
            case PGPPublicKey.RSA_SIGN:
                RSAPublicBCPGKey        rsaPub = (RSAPublicBCPGKey)pubPk.getKey();
                RSASecretBCPGKey rsaPriv = (RSASecretBCPGKey)privPk;
                RSAPrivateCrtKeySpec rsaPrivSpec = new RSAPrivateCrtKeySpec(
                                                    rsaPriv.getModulus(),
                                                    rsaPub.getPublicExponent(),
                                                    rsaPriv.getPrivateExponent(),
                                                    rsaPriv.getPrimeP(),
                                                    rsaPriv.getPrimeQ(),
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public class GenerateRSAPrivateCrtKey {

    public static void main(String[] args) throws Exception {

        // Create an RSA Private Key from the CRT information
        RSAPrivateCrtKeySpec rsaCrtSpec =
            new RSAPrivateCrtKeySpec(new BigInteger(1, modulus),
                                     new BigInteger(1, pubExpo),
                                     new BigInteger(1, priExpo),
                                     new BigInteger(1, primeP),
                                     new BigInteger(1, primeQ),
                                     new BigInteger(1, expoP),
                                     new BigInteger(1, expoQ),
                                     new BigInteger(1, coeff));

        // Create an RSA private key from the CRT specification
        KeyFactory kf = KeyFactory.getInstance("RSA", "SunRsaSign");
        RSAPrivateCrtKey rsaPriKey =
            (RSAPrivateCrtKey) kf.generatePrivate(rsaCrtSpec);

        // test resulting key against original specification
        if (!rsaPriKey.getCrtCoefficient().equals(rsaCrtSpec.getCrtCoefficient()))
            throw new Exception("coefficients not equal");
        if (!rsaPriKey.getPrimeExponentP().equals(rsaCrtSpec.getPrimeExponentP()))
            throw new Exception("primeExponentPs not equal");
        if (!rsaPriKey.getPrimeExponentQ().equals(rsaCrtSpec.getPrimeExponentQ()))
            throw new Exception("primeExponentQs not equal");
        if (!rsaPriKey.getPrimeP().equals(rsaCrtSpec.getPrimeP()))
            throw new Exception("primePs not equal");
        if (!rsaPriKey.getPrimeQ().equals(rsaCrtSpec.getPrimeQ()))
            throw new Exception("primeQs not equal");
        if (!rsaPriKey.getPublicExponent().equals(rsaCrtSpec.getPublicExponent()))
            throw new Exception("public exponents not equal");
        if (!rsaPriKey.getPrivateExponent().equals(rsaCrtSpec.getPrivateExponent()))
            throw new Exception("private exponents not equal");
        if (!rsaPriKey.getModulus().equals(rsaCrtSpec.getModulus()))
            throw new Exception("modulus not equal");
        if (!rsaPriKey.getFormat().equals("PKCS#8") &&
            !rsaPriKey.getFormat().equals("PKCS8"))
            throw new Exception("format not PKCS#8");
        if (!rsaPriKey.getAlgorithm().equals("RSA"))
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    */
   public static String fingerprintPrivateKey(String privateKeyPEM) {
      KeySpec privateKeySpec = privateKeySpec(privateKeyPEM);
      checkArgument(privateKeySpec instanceof RSAPrivateCrtKeySpec,
               "incorrect format expected RSAPrivateCrtKeySpec was %s", privateKeySpec);
      RSAPrivateCrtKeySpec certKeySpec = RSAPrivateCrtKeySpec.class.cast(privateKeySpec);
      return fingerprint(certKeySpec.getPublicExponent(), certKeySpec.getModulus());
   }
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    */
   public static String sha1PrivateKey(String privateKeyPEM) {
      KeySpec privateKeySpec = privateKeySpec(privateKeyPEM);
      checkArgument(privateKeySpec instanceof RSAPrivateCrtKeySpec,
               "incorrect format expected RSAPrivateCrtKeySpec was %s", privateKeySpec);
      RSAPrivateCrtKeySpec certKeySpec = RSAPrivateCrtKeySpec.class.cast(privateKeySpec);
      return sha1(certKeySpec);
   }
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   static RSAPrivateCrtKeySpec decodeRSAPrivateKey(byte[] bytes) {
      List<Object> seq = createASN1Sequence(bytes);
      checkArgument(seq.size() >= 9, "not enough elements (%s) for a private key", seq.size(), seq);
      int version = bigIntAt(seq, 0).intValue();
      checkArgument(version == 0 || version == 1, "wrong version %s for RSA private key", version);
      return new RSAPrivateCrtKeySpec(bigIntAt(seq, 1), bigIntAt(seq, 2), bigIntAt(seq, 3), bigIntAt(seq, 4), bigIntAt(
            seq, 5), bigIntAt(seq, 6), bigIntAt(seq, 7), bigIntAt(seq, 8));
   }
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                                                                         new BigInteger(privexponent));
                            key=KeyFactory.getInstance("RSA").generatePrivate(spec);
                        } else {
                            // complete data
                            HBCIUtils.log("private "+type+" key is fully specified",HBCIUtils.LOG_DEBUG);
                            RSAPrivateCrtKeySpec spec=new RSAPrivateCrtKeySpec(new BigInteger(modulus),
                                                                               new BigInteger(pubexponent),
                                                                               new BigInteger(privexponent),
                                                                               new BigInteger(p),
                                                                               new BigInteger(q),
                                                                               new BigInteger(dP),
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    public RSAPrivateKey privateKey(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP,
                                    BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ,
                                    BigInteger crtCoefficient) throws JoseException
    {
        RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(modulus,
                publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, crtCoefficient);
        return getRsaPrivateKey(keySpec);
    }
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            KeyFactory factory = KeyFactory.getInstance("RSA");

            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(rsa.getModulus(), rsa.getPublicExponent());
            PublicKey pub = factory.generatePublic(pubSpec);

            RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(
                rsa.getModulus(),
                rsa.getPublicExponent(),
                rsa.getPrivateExponent(),
                rsa.getPrime1(),
                rsa.getPrime2(),
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Related Classes of java.security.spec.RSAPrivateCrtKeySpec

  • com.nimbusds.jose.jwk.RSAKey
  • Cryptography
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  • net.oauth.signature.pem.PKCS1EncodedKeySpec
  • org.apache.geronimo.crypto.jce.provider.JDKKeyFactory
  • org.apache.geronimo.util.jce.provider.JDKKeyFactory
  • org.apache.harmony.security.tests.java.security.spec.RSAPrivateCrtKeySpecTest
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  • org.apache.niolex.commons.codec.RSAHelper
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