linker-sign说明

public static String encrypt(String content, String appKey, String appSecret) {
        long time = System.currentTimeMillis();
        String nonce = UUID.randomUUID().toString().replaceAll("-", "");
        String signKey = content + time + nonce + appKey + appSecret;
        log.info("signKey :" + signKey);
        String signMd5 = this.md5ToUpper32(signKey);
        Map<String, Object> contentMap = new HashMap();
        contentMap.put("time", time);
        contentMap.put("nonce", nonce);
        contentMap.put("appKey", appKey);
        contentMap.put("sign", signMd5);
        String contentValue = JSONObject.toJSONString(contentMap);
        return Base64.getEncoder().encodeToString(contentValue.getBytes(Charsets.UTF_8));
    }

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public static String md5ToUpper32(String input) {
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] bytes = md.digest(input.getBytes());
        StringBuilder sb = new StringBuilder(32);
        for (byte b : bytes) {
            sb.append(String.format("%02X", b));
        }
        return sb.toString();
    } catch (Exception e) {
        throw new RuntimeException("MD5计算失败", e);
    }
}

import time
import uuid
import hashlib
import json
import base64
import logging
import requests

# 配置日志（可根据需要配置日志级别）
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

def encrypt(content, appKey, appSecret):
    # 获取当前时间戳（毫秒）- 使用和Java完全一样的方式
    current_time = int(time.time() * 1000)
    # 生成UUID并移除破折号，和Java保持一致
    nonce = str(uuid.uuid4()).replace("-", "")
    # 直接字符串拼接，确保顺序和Java一致
    # 注意：content已经是字符串，不需要额外处理
    signKey = str(content) + str(current_time) + nonce + appKey + appSecret
    logger.info("signKey : %s", signKey)
    # MD5计算，转换为大写以匹配Java实现
    signMd5 = hashlib.md5(signKey.encode('utf-8')).hexdigest().upper()
    logger.info("signMd5 : %s", signMd5)
    # 构造Map，确保key的类型和Java一致
    contentMap = {
        "time": current_time,  # 注意这里使用数字类型
        "nonce": nonce,
        "appKey": appKey,
        "sign": signMd5
    }
    # 转换为JSON字符串，确保格式和Java的JSONObject.toJSONString()一致
    contentValue = json.dumps(contentMap, separators=(',', ':'))
    # Base64编码，确保和Java的Base64.getEncoder()一致
    encoded = base64.b64encode(contentValue.encode('utf-8')).decode('utf-8')
    return encoded