package com.doc.common.utils.encrypt;

import com.doc.common.utils.SecurityUtils;
import org.bouncycastle.crypto.digests.SM3Digest;
import org.bouncycastle.util.encoders.Hex;

import java.util.Random;

/**
 * SM3 HASH加密
 *
 * @author wukai
 * @date 2023-11-02
 */
public class Sm3Util {
    public static String encrypt(String str) {
        SM3Digest sm3 = new SM3Digest();

        // 将消息转换为字节数组
        byte[] input = str.getBytes();

        // 更新摘要
        sm3.update(input, 0, input.length);

        // 完成摘要计算
        byte[] result = new byte[sm3.getDigestSize()];
        sm3.doFinal(result, 0);

        // 将摘要结果转换为十六进制字符串
        String digestHex = Hex.toHexString(result);
        return digestHex;
    }

    public static void main(String[] args) throws Exception {
        Random random = new Random();
        int number = random.nextInt(9000) + 1000;
        System.out.println("随机数字: " + number);
        String message = "1qaz@WSX";
        String en1 = encrypt(message);
        String en2 = SecurityUtils.encryptPassword(en1);
        System.out.println("SM3 Digest 1: " + en1);
        System.out.println("SM3 Digest 2: " + en2);

        System.err.println(SecurityUtils.encryptPassword("admin123"));
    }
}