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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.spec;

import java.io.Serializable;
import java.security.spec.KeySpec;
import java.util.UUID;

import com.wl4g.infra.common.lang.Assert2;

/**
 * KeySpec wrapper, include e.g.: RSA key pair algorithm and AES single key
 * algorithm key packaging.
 *
 * @author James Wong 
 * @version v1.0 2019-08-28
 * @since
 */
public abstract class KeyPairSpec implements Serializable {
    private static final long serialVersionUID = -4466016486932734335L;

    /**
     * KeySpec unique identification.
     */
    private String keySpecId;

    public KeyPairSpec() {
        setKeySpecId("keySpec" + UUID.randomUUID().toString().replaceAll("-", "").substring(12));
    }

    public KeyPairSpec(String keySpecId) {
        Assert2.hasText(keySpecId, "KeySpecId must not be empty.");
        this.keySpecId = keySpecId;
    }

    public String getKeySpecId() {
        return keySpecId;
    }

    public void setKeySpecId(String keySpecId) {
        this.keySpecId = keySpecId;
    }

    public abstract KeySpec getKeySpec();

    public abstract KeySpec getPubKeySpec();

    public abstract String getHexString();

    public abstract String getPubHexString();

    public abstract String getBase64String();

    public abstract String getPubBase64String();

}