wx.Common/comjssdk.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;

namespace wx.Common
{
    public class comjssdk
    {
        
        /// <summary>
        /// 获取生成签名
        /// </summary>
        /// <param name="wm">微信实体类</param>
        /// <returns></returns>
        public static string GetSignature(string timestamp, string noceStr, string url)
        {
            string signature = "";
            string signatureStr = string.Format("jsapi_ticket={0}&noncestr={1}&timestamp={2}&url={3}", Getjsapi_ticket(), noceStr, timestamp, url);
            //Response.Write(signatureStr);
            //return SHA1_Hash(signatureStr);
            signature = sha1(signatureStr);
            return signature;
        }
        private static string sha1(string enstr)
        {
            var strRes = Encoding.Default.GetBytes(enstr);
            HashAlgorithm iSha = new SHA1CryptoServiceProvider();
            strRes = iSha.ComputeHash(strRes);
            var enText = new StringBuilder();
            foreach (byte iByte in strRes)
            {
                enText.AppendFormat("{0:x2}", iByte);
            }
            return enText.ToString();
        }
        /// <summary>
        /// 获取签名
        /// </summary>
        /// <param name="str_sha1_in"></param>
        /// <returns></returns>
        public string SHA1_Hash(string str_sha1_in)
        {
            //SHA1 sha1 = new SHA1CryptoServiceProvider();
            //byte[] bytes_sha1_in = UTF8Encoding.Default.GetBytes(str_sha1_in);
            //byte[] bytes_sha1_out = sha1.ComputeHash(bytes_sha1_in);
            //string str_sha1_out = BitConverter.ToString(bytes_sha1_out);
            //str_sha1_out = str_sha1_out.Replace("-","").ToLower();
            //return str_sha1_out;

            SHA1 sha = new SHA1CryptoServiceProvider();

            UTF8Encoding enc = new UTF8Encoding();

            byte[] dataToHash = enc.GetBytes(str_sha1_in);

            byte[] dataHashed = sha.ComputeHash(dataToHash);

            string hash = BitConverter.ToString(dataHashed).Replace("-", "");