Mediation-Backend/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/utils/DigesdateUtils.java

package com.ruoyi.wisdomarbitrate.utils;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

public class DigesdateUtils {

    public static String getSignStr(String paramsStr, String accessSec ) {
        Mac macDiges = null;
        try {
            macDiges = Mac.getInstance("HmacSHA256");
            SecretKeySpec accessSecKey = new SecretKeySpec(accessSec.getBytes("UTF-8"), "HmacSHA256");
            macDiges.init(accessSecKey);
            macDiges.update(paramsStr.getBytes("UTF-8"));
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return null;
        } catch (InvalidKeyException e) {
            e.printStackTrace();
            return null;
        }
        return byteTrasferhex(macDiges.doFinal());
    }

    public static String byteTrasferhex(byte[] byteArrayData) {
        StringBuilder hashBuilder = new StringBuilder();
        String stmpHex;
        for (int n = 0; byteArrayData != null && n < byteArrayData.length; n++) {
            stmpHex = Integer.toHexString(byteArrayData[n] & 0XFF);
            if (stmpHex.length() == 1)
                hashBuilder.append('0');
            hashBuilder.append(stmpHex);
        }
        return hashBuilder.toString();
    }




}