57 lines
1.6 KiB
Java
57 lines
1.6 KiB
Java
package com.landaiqing.wechat.utils;
|
|
|
|
import lombok.extern.slf4j.Slf4j;
|
|
|
|
import java.security.MessageDigest;
|
|
import java.util.Arrays;
|
|
|
|
/**
|
|
* sha1生成签名工具
|
|
*
|
|
* @author: landaiqing
|
|
* @date: 2023/11/5
|
|
*/
|
|
@Slf4j
|
|
public class SHA1 {
|
|
|
|
/**
|
|
* 用SHA1算法生成安全签名
|
|
*
|
|
* @param token 票据
|
|
* @param timestamp 时间戳
|
|
* @param nonce 随机字符串
|
|
* @param encrypt 密文
|
|
* @return 安全签名
|
|
*/
|
|
public static String getSHA1(String token, String timestamp, String nonce, String encrypt) {
|
|
try {
|
|
String[] array = new String[]{token, timestamp, nonce, encrypt};
|
|
StringBuffer sb = new StringBuffer();
|
|
// 字符串排序
|
|
Arrays.sort(array);
|
|
for (int i = 0; i < 4; i++) {
|
|
sb.append(array[i]);
|
|
}
|
|
String str = sb.toString();
|
|
// SHA1签名生成
|
|
MessageDigest md = MessageDigest.getInstance("SHA-1");
|
|
md.update(str.getBytes());
|
|
byte[] digest = md.digest();
|
|
|
|
StringBuffer hexStr = new StringBuffer();
|
|
String shaHex = "";
|
|
for (int i = 0; i < digest.length; i++) {
|
|
shaHex = Integer.toHexString(digest[i] & 0xFF);
|
|
if (shaHex.length() < 2) {
|
|
hexStr.append(0);
|
|
}
|
|
hexStr.append(shaHex);
|
|
}
|
|
return hexStr.toString();
|
|
} catch (Exception e) {
|
|
log.error("sha加密生成签名失败:", e);
|
|
return null;
|
|
}
|
|
}
|
|
}
|