python hmac_sha256 转为 java

Java hmac sha256

package com.example;

import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.xml.bind.DatatypeConverter;

public class Main {

    public static void main(String[] args) throws NoSuchAlgorithmException, InvalidKeyException {
        String secretKey = "BCDSGS_3ccfa7d4c44c2b2f48df1062dec79a9c";
        String message = "POST\n" + "/restapi/prod/IC33000020221014000001/webapi/govmessage/message/send\n" + "\n" + "BCDSGA_c52c72dcfbddc8f48ffea57974d959c3\n" + "Wed, 24 May 2023 07:16:48 GMT\n";
        Mac hasher = Mac.getInstance("HmacSHA256");
        hasher.init(new SecretKeySpec(secretKey.getBytes(), "HmacSHA256"));
        byte[] hash = hasher.doFinal(message.getBytes());
        DatatypeConverter.printHexBinary(hash);
        String sign = DatatypeConverter.printBase64Binary(hash);
        System.out.printf(sign);

    }

}

python

import hmac
import hashlib
import base64

if __name__ == '__main__':
    try:
        secret_key = "BCDSGS_3ccfa7d4c44c2b2f48df1062dec79a9c";
        message = "POST\n" + "/restapi/prod/IC33000020221014000001/webapi/govmessage/message/send\n" + "\n" + "BCDSGA_c52c72dcfbddc8f48ffea57974d959c3\n" + "Wed, 24 May 2023 07:16:48 GMT\n"
        hasher = hmac.new(bytes(secret_key, 'utf-8'), bytes(message, 'utf-8'), hashlib.sha256)
        sign_hex = hasher.hexdigest()
        sign_base64 = base64.b64encode(hasher.digest()).decode()
        print(sign_base64)
    except Exception as e:
        print(e)