Package java.security.interfaces

Examples of java.security.interfaces.DSAPublicKey

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        PublicKey pubKey = cert.getPublicKey();
        if (!(pubKey instanceof DSAPublicKey))
        {
            return pubKey;
        }
        DSAPublicKey dsaPubKey = (DSAPublicKey) pubKey;
        if (dsaPubKey.getParams() != null)
        {
            return dsaPubKey;
        }
        for (int i = index + 1; i < certs.size(); i++)
        {
            X509Certificate parentCert = (X509Certificate)certs.get(i);
            pubKey = parentCert.getPublicKey();
            if (!(pubKey instanceof DSAPublicKey))
            {
                throw new CertPathValidatorException(
                    "DSA parameters cannot be inherited from previous certificate.");
            }
            DSAPublicKey prevDSAPubKey = (DSAPublicKey) pubKey;
            if (prevDSAPubKey.getParams() == null)
            {
                continue;
            }
            DSAParams dsaParams = prevDSAPubKey.getParams();
            DSAPublicKeySpec dsaPubKeySpec = new DSAPublicKeySpec(
                dsaPubKey.getY(), dsaParams.getP(), dsaParams.getQ(), dsaParams.getG());
            try
            {
                KeyFactory keyFactory = KeyFactory.getInstance("DSA", "BC");
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        if (!(o instanceof DSAPublicKey))
        {
            return false;
        }
       
        DSAPublicKey other = (DSAPublicKey)o;
       
        return this.getY().equals(other.getY())
            && this.getParams().getG().equals(other.getParams().getG())
            && this.getParams().getP().equals(other.getParams().getP())
            && this.getParams().getQ().equals(other.getParams().getQ());
    }
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        // key encoding test - BC decoding Sun keys
        //
        KeyFactory          f = KeyFactory.getInstance("DSA", "BC");
        X509EncodedKeySpec  x509s = new X509EncodedKeySpec(vKey.getEncoded());

        DSAPublicKey        k1 = (DSAPublicKey)f.generatePublic(x509s);

        checkPublic(k1, vKey);
       
        PKCS8EncodedKeySpec  pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());

        DSAPrivateKey        k2 = (DSAPrivateKey)f.generatePrivate(pkcs8);

        checkPrivateKey(k2, sKey);
       
        //
        // key decoding test - SUN decoding BC keys
        //
        f = KeyFactory.getInstance("DSA", "SUN");
        x509s = new X509EncodedKeySpec(k1.getEncoded());
       
        vKey = (DSAPublicKey)f.generatePublic(x509s);

        checkPublic(k1, vKey);
       
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        //
        // key decoding test - serialisation test
        //

        DSAPublicKey k1 = (DSAPublicKey)serializeDeserialize(vKey);

        checkPublic(k1, vKey);

        DSAPrivateKey k2 = (DSAPrivateKey)serializeDeserialize(sKey);
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        return kp;
    }

    protected static boolean areKeyEquals(PublicKey k1, PublicKey k2) {
        if (k1 instanceof DSAPublicKey && k2 instanceof DSAPublicKey) {
            DSAPublicKey d1 = (DSAPublicKey) k1;
            DSAPublicKey d2 = (DSAPublicKey) k2;
            DSAParams p1 = d1.getParams();
            DSAParams p2 = d2.getParams();
            return d1.getY().equals(d2.getY())
                        && p1.getG().equals(p2.getG())
                        && p1.getP().equals(p2.getP())
                        && p1.getQ().equals(p2.getQ());
        } else if (k1 instanceof ECPublicKey && k2 instanceof ECPublicKey) {
            ECPublicKey e1 = (ECPublicKey) k1;
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   @Test
   public void testEncodeAsOpenSSH() throws IOException, InvalidKeySpecException, NoSuchAlgorithmException {
      String dsa = Strings2.toStringAndClose(getClass().getResourceAsStream("/ssh-dsa.txt"));
      DSAPublicKeySpec spec = DSAKeys.publicKeySpecFromOpenSSH(dsa);
      DSAPublicKey key = (DSAPublicKey) KeyFactory.getInstance("DSA").generatePublic(spec);

      assertEquals(DSAKeys.encodeAsOpenSSH(key), dsa);
   }
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  if (key == null) {
      throw new NullPointerException("key cannot be null");
  }
  this.publicKey = key;
  if (key instanceof DSAPublicKey) {
      DSAPublicKey dkey = (DSAPublicKey) key;
      DSAParams params = dkey.getParams();
      p = new DOMCryptoBinary(params.getP());
      q = new DOMCryptoBinary(params.getQ());
      g = new DOMCryptoBinary(params.getG());
      y = new DOMCryptoBinary(dkey.getY());
  } else if (key instanceof RSAPublicKey) {
      RSAPublicKey rkey = (RSAPublicKey) key;
      exponent = new DOMCryptoBinary(rkey.getPublicExponent());
      modulus = new DOMCryptoBinary(rkey.getModulus());
  } else {
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    }

    private String getString(PublicKey key) throws FailedLoginException {
        try {
            if (key instanceof DSAPublicKey) {
                DSAPublicKey dsa = (DSAPublicKey) key;
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                DataOutputStream dos = new DataOutputStream(baos);
                write(dos, "ssh-dss");
                write(dos, dsa.getParams().getP());
                write(dos, dsa.getParams().getQ());
                write(dos, dsa.getParams().getG());
                write(dos, dsa.getY());
                dos.close();
                return base64Encode(baos.toByteArray());
            } else if (key instanceof RSAKey) {
                RSAPublicKey rsa = (RSAPublicKey) key;
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
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  {
    harness.checkPoint("testUnknownKeyPairCodec");

    kp = kpg.generate();

    DSAPublicKey pubK = (DSAPublicKey) kp.getPublic();
    try
      {
        ((DSSPublicKey) pubK).getEncoded(0);
        harness.fail("Public key succeeded with unknown format ID");
      }
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    kp = kpg.generate();

    IKeyPairCodec codec = new DSSKeyPairRawCodec();
    byte[] pk;

    DSAPublicKey pubK = (DSAPublicKey) kp.getPublic();
    pk = ((DSSPublicKey) pubK).getEncoded(IKeyPairCodec.RAW_FORMAT);
    PublicKey newPubK = codec.decodePublicKey(pk);
    harness.check(pubK.equals(newPubK),
                  "DSS public key Raw encoder/decoder test");

    DSAPrivateKey secK = (DSAPrivateKey) kp.getPrivate();
    pk = ((DSSPrivateKey) secK).getEncoded(IKeyPairCodec.RAW_FORMAT);
    PrivateKey newSecK = codec.decodePrivateKey(pk);
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