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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.KeySpec;
import java.security.spec.RSAPrivateCrtKeySpec;
import java.security.spec.RSAPublicKeySpec;

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

/**
 * Asymmetric algorithm implemented by RivestShamirAdleman.
 *
 * @author James Wong James Wong 
 * @version v1.0 2019年1月20日
 * @since
 */
public class RSACryptor extends AbstractAsymmetricCryptor {

    public RSACryptor() {
        super(1024);
    }

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

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

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

    @Override
    public Class getPublicKeySpecClass() {
        return RSAPublicKeySpec.class;
    }

    @Override
    public Class getPrivateKeySpecClass() {
        return RSAPrivateCrtKeySpec.class;
    }

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

}