package me.zhyd.oauth.utils;

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * SHA256 加密
 *
 * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
 * @version 1.0.0
 * @since 1.16.0
 */
public class Sha256 {

    public static byte[] digest(String str) {
        MessageDigest messageDigest;
        try {
            messageDigest = MessageDigest.getInstance("SHA-256");
            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
            return messageDigest.digest();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return null;
    }
}