rashelper

gistfile1.cs

using System;
using System.Linq;
using APSP.Form.Model;
using NHibernateRepository;
using NUnit.Framework;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using System.Text;     
namespace APSPTest
{
  

    public class RSAHelper
    {
        /// <summary>
        /// 生成公钥、私钥
        /// </summary>
        /// <param name="PrivateKeyPath">私钥文件保存路径，包含文件名</param>
        /// <param name="PublicKeyPath">公钥文件保存路径，包含文件名</param>
        public void RSAKey(string PrivateKeyPath, string PublicKeyPath)
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            SaveKey(PrivateKeyPath, provider.ToXmlString(true));//保存私钥文件
            SaveKey(PublicKeyPath, provider.ToXmlString(false));//保存公钥文件
        }
        /// <summary>
        /// 保存公钥/私钥文件
        /// </summary>
        /// <param name="path">公钥/私钥文件保存路径</param>
        /// <param name="publickey">公钥/私钥值</param>
        public void SaveKey(string path, string key)
        {
            FileStream stream = new FileStream(path, FileMode.Create);
            StreamWriter sw = new StreamWriter(stream);
            sw.WriteLine(key);
            sw.Close();
            stream.Close();
        }

        /// <summary>
        /// RSA加密
        /// </summary>
        /// <param name="xmlPublicKey">公钥</param>
        /// <param name="m_strEncryptString">需要加密的数据</param>
        /// <returns>RSA公钥加密后的数据</returns>
        public string RSAEncrypt(string xmlPublicKey, string m_strEncryptString)
        {
            string str2;
            try
            {
                RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
                provider.FromXmlString(xmlPublicKey);
                byte[] bytes = new UnicodeEncoding().GetBytes(m_strEncryptString);
                str2 = Convert.ToBase64String(provider.Encrypt(bytes, false));
            }
            catch (Exception exception)
            {
                throw exception;
            }
            return str2;
        }

        /// <summary>
        /// RSA解密
        /// </summary>
        /// <param name="xmlPrivateKey">私钥</param>
        /// <param name="m_strDecryptString">需要解密的数据</param>
        /// <returns>解密后的数据</returns>
        public string RSADecrypt(string xmlPrivateKey, string m_strDecryptString)
        {
            string str2;
            try
            {
                RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
                provider.FromXmlString(xmlPrivateKey);
                byte[] rgb = Convert.FromBase64String(m_strDecryptString);
                byte[] buffer2 = provider.Decrypt(rgb, false);
                str2 = new UnicodeEncoding().GetString(buffer2);
            }
            catch (Exception exception)
            {
                throw exception;
            }
            return str2;
        }


    }

    [TestFixture]
    public class oratest
    {
       

        [Test]
        public void t1()
        {
            RSAHelper rh = new RSAHelper();
            string privatesave="private.txt";
            string publicsave="public.txt";
            rh.RSAKey(privatesave,publicsave);
            string enstr= rh.RSAEncrypt(APSP.Common.FileHelper.ReadFile(publicsave), "oatest1111");
            Console.WriteLine(enstr);

            string destr = rh.RSADecrypt(APSP.Common.FileHelper.ReadFile(privatesave), enstr);
            Console.WriteLine(destr);

        }
    }
}