server/aspnetapp/Helper/Md5Helper.cs

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using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Utilities.Encoders;
using smcrypto;
using System;
using System.Collections.Generic;
using System.Security.Cryptography;
using System.Text;

namespace aspnetapp.Helper
{
    /// <summary>
    /// 此类获取md5加密值均为大写，如果要获取小写：MD5Comm.Get32MD5One(xx).ToLower();或完善此类。
    /// </summary>
    public class Md5Helper
    {
        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="Text">要加密的文本</param>
        /// <param name="sKey">秘钥</param>
        /// <returns></returns>
        public string Encrypt(string Text, string sKey = "advanceoa")
        {
            DESCryptoServiceProvider des = new DESCryptoServiceProvider();
            byte[] inputByteArray;
            inputByteArray = Encoding.Default.GetBytes(Text);
            des.Key = ASCIIEncoding.ASCII.GetBytes(Md5Hash(sKey).Substring(0, 8));
            des.IV = ASCIIEncoding.ASCII.GetBytes(Md5Hash(sKey).Substring(0, 8));
            System.IO.MemoryStream ms = new System.IO.MemoryStream();
            CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
            cs.Write(inputByteArray, 0, inputByteArray.Length);
            cs.FlushFinalBlock();
            StringBuilder ret = new StringBuilder();
            foreach (byte b in ms.ToArray())
            {
                ret.AppendFormat("{0:X2}", b);
            }
            return ret.ToString();
        }

        /// <summary>
        /// MD5加密
        /// </summary>  
        public string MD5Encrypt32(string Text)
        {
            using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
            {
                byte[] result = md5.ComputeHash(Encoding.Default.GetBytes(Text));
                string strResult = BitConverter.ToString(result);
                return strResult.Replace("-", "");
            }
        }

        /// <summary>
        /// SM3加密
        /// </summary>  
        public string SM3Encrypt32(string Text)
        {
            byte[] md = new byte[32];
            byte[] msg1 = Encoding.Default.GetBytes(Text);