package com.stylefeng.guns.modular.system.util;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.nio.charset.StandardCharsets;
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import java.util.Base64;
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/**
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* 签名工具
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*
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* @author Lux
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* @version 1.0.0
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* @since 2026/6/5 11:20
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*/
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public class SignUtil {
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private static final String HMAC_SHA256 = "HmacSHA256";
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/**
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* 数据上报生成签名
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*
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* @param method 请求方式
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* @param url 请求路基，api的路径
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* @param accessKey 身份标识
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* @param accessSecret 密钥
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* @param timestamp 时间戳，精确到秒
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* @param nonce 唯一随机数，6位随机数
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* @return 签名后的数据
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*/
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public static String generateSign(String method, String url, String accessKey, String accessSecret, String timestamp, String nonce) {
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try {
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String data = String.format("%s&%s&%s&%s&%s", method.toUpperCase(), url, accessKey, timestamp, nonce);
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Mac mac = Mac.getInstance(HMAC_SHA256);
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SecretKeySpec secretKeySpec = new SecretKeySpec(accessSecret.getBytes(StandardCharsets.UTF_8), HMAC_SHA256);
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mac.init(secretKeySpec);
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byte[] signBytes = mac.doFinal(data.getBytes(StandardCharsets.UTF_8));
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return Base64.getEncoder().encodeToString(signBytes);
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} catch (Exception e) {
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throw new RuntimeException("生成签名失败", e);
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}
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}
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}
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