Java Code Examples for java.security.interfaces.DSAPublicKey#getY()

The following examples show how to use java.security.interfaces.DSAPublicKey#getY() . 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: CaClientExample.java    From xipki with Apache License 2.0 6 votes vote down vote up 
protected static MyKeypair generateDsaKeypair() throws Exception {
  // plen: 2048, qlen: 256
  DSAParameterSpec spec = new DSAParameterSpec(P2048_Q256_P, P2048_Q256_Q, P2048_Q256_G);
  KeyPairGenerator kpGen = KeyPairGenerator.getInstance("DSA");
  kpGen.initialize(spec);
  KeyPair kp = kpGen.generateKeyPair();

  DSAPublicKey dsaPubKey = (DSAPublicKey) kp.getPublic();
  ASN1EncodableVector vec = new ASN1EncodableVector();
  vec.add(new ASN1Integer(dsaPubKey.getParams().getP()));
  vec.add(new ASN1Integer(dsaPubKey.getParams().getQ()));
  vec.add(new ASN1Integer(dsaPubKey.getParams().getG()));
  ASN1Sequence dssParams = new DERSequence(vec);

  SubjectPublicKeyInfo subjectPublicKeyInfo = new SubjectPublicKeyInfo(
      new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, dssParams),
      new ASN1Integer(dsaPubKey.getY()));

  return new MyKeypair(kp.getPrivate(), subjectPublicKeyInfo);
}
Example 2
Source File: DOMKeyValue.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 3
Source File: DOMKeyValue.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 4
Source File: DOMKeyValue.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 5
Source File: DSAUtil.java    From RipplePower with Apache License 2.0 5 votes vote down vote up 
static public AsymmetricKeyParameter generatePublicKeyParameter(
    PublicKey    key)
    throws InvalidKeyException
{
    if (key instanceof DSAPublicKey)
    {
        DSAPublicKey    k = (DSAPublicKey)key;

        return new DSAPublicKeyParameters(k.getY(),
            new DSAParameters(k.getParams().getP(), k.getParams().getQ(), k.getParams().getG()));
    }

    throw new InvalidKeyException("can't identify DSA public key: " + key.getClass().getName());
}
Example 6
Source File: DSAUtil.java    From ripple-lib-java with ISC License 5 votes vote down vote up 
static public AsymmetricKeyParameter generatePublicKeyParameter(
    PublicKey    key)
    throws InvalidKeyException
{
    if (key instanceof DSAPublicKey)
    {
        DSAPublicKey    k = (DSAPublicKey)key;

        return new DSAPublicKeyParameters(k.getY(),
            new DSAParameters(k.getParams().getP(), k.getParams().getQ(), k.getParams().getG()));
    }

    throw new InvalidKeyException("can't identify DSA public key: " + key.getClass().getName());
}
Example 7
Source File: DOMKeyValue.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 8
Source File: DOMKeyValue.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 9
Source File: DOMKeyValue.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 10
Source File: DSAUtil.java    From BiglyBT with GNU General Public License v2.0 5 votes vote down vote up 
static public AsymmetricKeyParameter generatePublicKeyParameter(
    PublicKey    key)
    throws InvalidKeyException
{
    if (key instanceof DSAPublicKey)
    {
        DSAPublicKey    k = (DSAPublicKey)key;

        return new DSAPublicKeyParameters(k.getY(),
            new DSAParameters(k.getParams().getP(), k.getParams().getQ(), k.getParams().getG()));
    }

    throw new InvalidKeyException("can't identify DSA public key: " + key.getClass().getName());
}
Example 11
Source File: DOMKeyValue.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 12
Source File: DOMKeyValue.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 13
Source File: DOMKeyValue.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 14
Source File: DOMKeyValue.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 15
Source File: DOMKeyValue.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
DSA(PublicKey key) throws KeyException {
    super(key);
    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());
}
Example 16
Source File: CertPathValidatorUtilities.java    From ripple-lib-java with ISC License 4 votes vote down vote up 
/**
 * Return the next working key inheriting DSA parameters if necessary.
 * <p>
 * This methods inherits DSA parameters from the indexed certificate or
 * previous certificates in the certificate chain to the returned
 * <code>PublicKey</code>. The list is searched upwards, meaning the end
 * certificate is at position 0 and previous certificates are following.
 * </p>
 * <p>
 * If the indexed certificate does not contain a DSA key this method simply
 * returns the public key. If the DSA key already contains DSA parameters
 * the key is also only returned.
 * </p>
 *
 * @param certs The certification path.
 * @param index The index of the certificate which contains the public key
 *              which should be extended with DSA parameters.
 * @return The public key of the certificate in list position
 *         <code>index</code> extended with DSA parameters if applicable.
 * @throws AnnotatedException if DSA parameters cannot be inherited.
 */
protected static PublicKey getNextWorkingKey(List certs, int index, JcaJceHelper helper)
    throws CertPathValidatorException
{
    Certificate cert = (Certificate)certs.get(index);
    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 = helper.createKeyFactory("DSA");
            return keyFactory.generatePublic(dsaPubKeySpec);
        }
        catch (Exception exception)
        {
            throw new RuntimeException(exception.getMessage());
        }
    }
    throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
}
Example 17
Source File: CertPathValidatorUtilities.java    From ripple-lib-java with ISC License 4 votes vote down vote up 
/**
 * Return the next working key inheriting DSA parameters if necessary.
 * <p>
 * This methods inherits DSA parameters from the indexed certificate or
 * previous certificates in the certificate chain to the returned
 * <code>PublicKey</code>. The list is searched upwards, meaning the end
 * certificate is at position 0 and previous certificates are following.
 * </p>
 * <p>
 * If the indexed certificate does not contain a DSA key this method simply
 * returns the public key. If the DSA key already contains DSA parameters
 * the key is also only returned.
 * </p>
 *
 * @param certs The certification path.
 * @param index The index of the certificate which contains the public key
 *              which should be extended with DSA parameters.
 * @return The public key of the certificate in list position
 *         <code>index</code> extended with DSA parameters if applicable.
 * @throws AnnotatedException if DSA parameters cannot be inherited.
 */
protected static PublicKey getNextWorkingKey(List certs, int index)
    throws CertPathValidatorException
{
    Certificate cert = (Certificate)certs.get(index);
    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", BouncyCastleProvider.PROVIDER_NAME);
            return keyFactory.generatePublic(dsaPubKeySpec);
        }
        catch (Exception exception)
        {
            throw new RuntimeException(exception.getMessage());
        }
    }
    throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
}
Example 18
Source File: CertPathValidatorUtilities.java    From RipplePower with Apache License 2.0 4 votes vote down vote up 
/**
 * Return the next working key inheriting DSA parameters if necessary.
 * <p>
 * This methods inherits DSA parameters from the indexed certificate or
 * previous certificates in the certificate chain to the returned
 * <code>PublicKey</code>. The list is searched upwards, meaning the end
 * certificate is at position 0 and previous certificates are following.
 * </p>
 * <p>
 * If the indexed certificate does not contain a DSA key this method simply
 * returns the public key. If the DSA key already contains DSA parameters
 * the key is also only returned.
 * </p>
 *
 * @param certs The certification path.
 * @param index The index of the certificate which contains the public key
 *              which should be extended with DSA parameters.
 * @return The public key of the certificate in list position
 *         <code>index</code> extended with DSA parameters if applicable.
 * @throws AnnotatedException if DSA parameters cannot be inherited.
 */
protected static PublicKey getNextWorkingKey(List certs, int index)
    throws CertPathValidatorException
{
    Certificate cert = (Certificate)certs.get(index);
    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", BouncyCastleProvider.PROVIDER_NAME);
            return keyFactory.generatePublic(dsaPubKeySpec);
        }
        catch (Exception exception)
        {
            throw new RuntimeException(exception.getMessage());
        }
    }
    throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
}
Example 19
Source File: BCDSAPublicKey.java    From ripple-lib-java with ISC License 4 votes vote down vote up 
BCDSAPublicKey(
    DSAPublicKey key)
{
    this.y = key.getY();
    this.dsaSpec = key.getParams();
}
Example 20
Source File: BCDSAPublicKey.java    From RipplePower with Apache License 2.0 4 votes vote down vote up 
BCDSAPublicKey(
    DSAPublicKey key)
{
    this.y = key.getY();
    this.dsaSpec = key.getParams();
}