Examples with DSAPrivateKey java.security.interfaces.DSAPrivateKey used on opensource projects

Example 11 with DSAPrivateKey

use of java.security.interfaces.DSAPrivateKey in project keystore-explorer by kaikramer.

the class OpenSslPvkUtil method get.

/**
 * OpenSSL encode a private key.
 *
 * @return The encoding
 * @param privateKey
 *            The private key
 * @throws CryptoException
 *             Problem encountered while getting the encoded private key
 */
public static byte[] get(PrivateKey privateKey) throws CryptoException {
    // DER encoding for each key type is a sequence
    ASN1EncodableVector vec = new ASN1EncodableVector();
    if (privateKey instanceof ECPrivateKey) {
        try {
            ECPrivateKey ecPrivKey = (ECPrivateKey) privateKey;
            org.bouncycastle.asn1.sec.ECPrivateKey keyStructure = EccUtil.convertToECPrivateKeyStructure(ecPrivKey);
            return keyStructure.toASN1Primitive().getEncoded();
        } catch (IOException e) {
            throw new CryptoException(res.getString("NoDerEncodeOpenSslPrivateKey.exception.message"), e);
        }
    } else if (privateKey instanceof RSAPrivateCrtKey) {
        RSAPrivateCrtKey rsaPrivateKey = (RSAPrivateCrtKey) privateKey;
        vec.add(new ASN1Integer(VERSION));
        vec.add(new ASN1Integer(rsaPrivateKey.getModulus()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPublicExponent()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrivateExponent()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeP()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeQ()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeExponentP()));
        vec.add(new ASN1Integer(rsaPrivateKey.getPrimeExponentQ()));
        vec.add(new ASN1Integer(rsaPrivateKey.getCrtCoefficient()));
    } else {
        DSAPrivateKey dsaPrivateKey = (DSAPrivateKey) privateKey;
        DSAParams dsaParams = dsaPrivateKey.getParams();
        BigInteger primeModulusP = dsaParams.getP();
        BigInteger primeQ = dsaParams.getQ();
        BigInteger generatorG = dsaParams.getG();
        BigInteger secretExponentX = dsaPrivateKey.getX();
        // Derive public key from private key parts, ie Y = G^X mod P
        BigInteger publicExponentY = generatorG.modPow(secretExponentX, primeModulusP);
        vec.add(new ASN1Integer(VERSION));
        vec.add(new ASN1Integer(primeModulusP));
        vec.add(new ASN1Integer(primeQ));
        vec.add(new ASN1Integer(generatorG));
        vec.add(new ASN1Integer(publicExponentY));
        vec.add(new ASN1Integer(secretExponentX));
    }
    DERSequence derSequence = new DERSequence(vec);
    try {
        return derSequence.getEncoded();
    } catch (IOException ex) {
        throw new CryptoException(res.getString("NoDerEncodeOpenSslPrivateKey.exception.message"), ex);
    }
}

Example 12 with DSAPrivateKey

use of java.security.interfaces.DSAPrivateKey in project protools by SeanDragon.

the class ToolDSA method initKey.

/**
 * 生成密钥
 *
 * @return 密钥对象
 *
 * @throws Exception
 */
public static Map<String, Object> initKey() throws NoSuchAlgorithmException {
    // 初始化密钥对儿生成器
    KeyPairGenerator keygen = KeyPairGenerator.getInstance(ALGORITHM);
    // 实例化密钥对儿生成器
    keygen.initialize(KEY_SIZE, new SecureRandom());
    // 实例化密钥对儿
    KeyPair keys = keygen.genKeyPair();
    DSAPublicKey publicKey = (DSAPublicKey) keys.getPublic();
    DSAPrivateKey privateKey = (DSAPrivateKey) keys.getPrivate();
    // 封装密钥
    Map<String, Object> map = Maps.newHashMapWithExpectedSize(2);
    map.put(PUBLIC_KEY, publicKey);
    map.put(PRIVATE_KEY, privateKey);
    return map;
}

Example 13 with DSAPrivateKey

use of java.security.interfaces.DSAPrivateKey in project xipki by xipki.

the class P12KeyGenerator method getContentSigner.

// method generateIdentity
private static ContentSigner getContentSigner(PrivateKey key) throws Exception {
    BcContentSignerBuilder builder;
    if (key instanceof RSAPrivateKey) {
        ASN1ObjectIdentifier hashOid = X509ObjectIdentifiers.id_SHA1;
        ASN1ObjectIdentifier sigOid = PKCSObjectIdentifiers.sha1WithRSAEncryption;
        builder = new BcRSAContentSignerBuilder(buildAlgId(sigOid), buildAlgId(hashOid));
    } else if (key instanceof DSAPrivateKey) {
        ASN1ObjectIdentifier hashOid = X509ObjectIdentifiers.id_SHA1;
        AlgorithmIdentifier sigId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa_with_sha1);
        builder = new BcDSAContentSignerBuilder(sigId, buildAlgId(hashOid));
    } else if (key instanceof ECPrivateKey) {
        HashAlgo hashAlgo;
        ASN1ObjectIdentifier sigOid;
        int keysize = ((ECPrivateKey) key).getParams().getOrder().bitLength();
        if (keysize > 384) {
            hashAlgo = HashAlgo.SHA512;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA512;
        } else if (keysize > 256) {
            hashAlgo = HashAlgo.SHA384;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA384;
        } else if (keysize > 224) {
            hashAlgo = HashAlgo.SHA224;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA224;
        } else if (keysize > 160) {
            hashAlgo = HashAlgo.SHA256;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
        } else {
            hashAlgo = HashAlgo.SHA1;
            sigOid = X9ObjectIdentifiers.ecdsa_with_SHA1;
        }
        builder = new BcECContentSignerBuilder(new AlgorithmIdentifier(sigOid), buildAlgId(hashAlgo.getOid()));
    } else {
        throw new IllegalArgumentException("unknown type of key " + key.getClass().getName());
    }
    return builder.build(KeyUtil.generatePrivateKeyParameter(key));
}

Example 14 with DSAPrivateKey

use of java.security.interfaces.DSAPrivateKey in project keystore-explorer by kaikramer.

the class DViewAsymmetricKeyFields method populateFields.

private void populateFields() {
    Field[] fields = null;
    if (key instanceof RSAPublicKey) {
        RSAPublicKey rsaPub = (RSAPublicKey) key;
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubRsaPublicExponent.text"), rsaPub.getPublicExponent()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubRsaModulus.text"), rsaPub.getModulus()) };
    } else if (key instanceof DSAPublicKey) {
        DSAPublicKey dsaPub = (DSAPublicKey) key;
        DSAParams dsaParams = dsaPub.getParams();
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaPrimeModulusP.text"), dsaParams.getP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaPrimeQ.text"), dsaParams.getQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaGeneratorG.text"), dsaParams.getG()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaPublicKeyY.text"), dsaPub.getY()) };
    } else if (key instanceof RSAPrivateCrtKey) {
        RSAPrivateCrtKey rsaPvk = (RSAPrivateCrtKey) key;
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPublicExponent.text"), rsaPvk.getPublicExponent()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaModulus.text"), rsaPvk.getModulus()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeP.text"), rsaPvk.getPrimeP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeQ.text"), rsaPvk.getPrimeQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeExponentP.text"), rsaPvk.getPrimeExponentP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeExponentQ.text"), rsaPvk.getPrimeExponentQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaCrtCoefficient.text"), rsaPvk.getCrtCoefficient()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrivateExponent.text"), rsaPvk.getPrivateExponent()) };
    } else if (key instanceof RSAPrivateKey) {
        RSAPrivateKey rsaPvk = (RSAPrivateKey) key;
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaModulus.text"), rsaPvk.getModulus()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrivateExponent.text"), rsaPvk.getPrivateExponent()) };
    } else if (key instanceof DSAPrivateKey) {
        DSAPrivateKey dsaPvk = (DSAPrivateKey) key;
        DSAParams dsaParams = dsaPvk.getParams();
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaPrimeModulusP.text"), dsaParams.getP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaPrimeQ.text"), dsaParams.getQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaGeneratorG.text"), dsaParams.getG()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaSecretExponentX.text"), dsaPvk.getX()) };
    }
    if (fields != null) {
        jltFields.setListData(fields);
        jltFields.setSelectedIndex(0);
    }
}

Example 15 with DSAPrivateKey

use of java.security.interfaces.DSAPrivateKey in project keystore-explorer by kaikramer.

the class DViewPrivateKey method fieldsPressed.

private void fieldsPressed() {
    if (privateKey instanceof RSAPrivateKey) {
        RSAPrivateKey rsaPvk = (RSAPrivateKey) privateKey;
        DViewAsymmetricKeyFields dViewAsymmetricKeyFields = new DViewAsymmetricKeyFields(this, res.getString("DViewPrivateKey.RsaFields.Title"), rsaPvk);
        dViewAsymmetricKeyFields.setLocationRelativeTo(this);
        dViewAsymmetricKeyFields.setVisible(true);
    } else if (privateKey instanceof DSAPrivateKey) {
        DSAPrivateKey dsaPvk = (DSAPrivateKey) privateKey;
        DViewAsymmetricKeyFields dViewAsymmetricKeyFields = new DViewAsymmetricKeyFields(this, res.getString("DViewPrivateKey.DsaFields.Title"), dsaPvk);
        dViewAsymmetricKeyFields.setLocationRelativeTo(this);
        dViewAsymmetricKeyFields.setVisible(true);
    }
}