package com.xcong.excoin.modules.newPrice.utils;
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import lombok.extern.slf4j.Slf4j;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.util.Base64;
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@Slf4j
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public class SignUtils {
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public static String signRest(String secretKey, String timestamp, String method, String path, String body) {
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String str = String.format("%s%s%s%s",
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timestamp, // timestamp
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method, // method GET/POST
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path, // requestPath
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body // body
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);
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try {
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return Base64.getEncoder().encodeToString(hmacSHA256(secretKey.getBytes(), str.getBytes()));
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* HmacSHA256算法,返回的结果始终是32位
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*
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* @param key 加密的键，可以是任何数据
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* @param content 待加密的内容
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* @return 加密后的内容
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* @throws Exception ex
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*/
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public static byte[] hmacSHA256(byte[] key, byte[] content) throws Exception {
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Mac hmacSha256 = Mac.getInstance("HmacSHA256");
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hmacSha256.init(new SecretKeySpec(key, 0, key.length, "HmacSHA256"));
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return hmacSha256.doFinal(content);
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}
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public static String signWebsocket(String timestamp, String secretKey) {
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String str = String.format("%s%s%s",
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timestamp,
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"GET",
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"/users/self/verify");
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try {
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return Base64.getEncoder().encodeToString(hmacSHA256(secretKey.getBytes(), str.getBytes()));
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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