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/*
 * Copyright 2017 ~ 2025 the original author or authors. James Wong 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.wl4g.infra.common.crypto.asymmetric;

import java.security.spec.DSAPrivateKeySpec;
import java.security.spec.DSAPublicKeySpec;
import java.security.spec.KeySpec;

import com.wl4g.infra.common.crypto.asymmetric.spec.DSAKeyPairSpec;

/**
 * Asymmetric algorithm implemented by DSA.
 * 
 * @author James Wong <[email protected]>
 * @version 2019年11月9日 v1.0.0
 * @see
 */
public class DSACryptor extends AbstractAsymmetricCryptor {

    public DSACryptor() {
        super(1024);
    }

    public DSACryptor(int keysize) {
        super(keysize);
    }

    @Override
    public String getAlgorithmPrimary() {
        return "DSA";
    }

    @Override
    public String getPadAlgorithm() {
        return "DSA/ECB/PKCS1Padding";
    }

    @Override
    protected Class getPublicKeySpecClass() {
        return DSAPublicKeySpec.class;
    }

    @Override
    protected Class getPrivateKeySpecClass() {
        return DSAPrivateKeySpec.class;
    }

    @Override
    protected DSAKeyPairSpec newKeySpec(String algorithm, KeySpec pubKeySpec, KeySpec keySpec) {
        return new DSAKeyPairSpec(algorithm, pubKeySpec, keySpec);
    }

}