using?System.Web;
using?System.Text;
using?System.Security.Cryptography;
using?System.IO;
using?System.Net;
using?System;
using?System.Collections.Generic;
using?System.xml;
using?System.Net.Security;
using?System.Security.Authentication;
using?System.Security.Cryptography.X509Certificates;
using?WxPayAPI;
using?System.xml.Linq;
using?Org.BouncyCastle.Crypto.Parameters;
using?Org.BouncyCastle.Security;
using?Org.BouncyCastle.Crypto;
using?shop.App_Code;

namespace?RSATestT
{
????public?class?RSATest
????{
????????///?

????????///?獲取公匙
????????///?

????????///?
????????public?string?getkey（）
????????{
????????????WxPayData?data?=?new?WxPayData（）;
????????????WxPayData?result?=?Micropay（data）;
????????????XElement?root?=?XElement.Parse（result.Toxml（））;
????????????string?pub_key?=?root.Element（“pub_key“）.Value;
????????????string?CurDir?=?System.AppDomain.CurrentDomain.baseDirectory;????//設置當前目錄??
????????????if?（System.IO.Directory.Exists（CurDir））
????????????{?System.IO.Directory.CreateDirectory（CurDir）;?}//該路徑不存在時，在當前文件目錄下創建文件夾“導出..“??

????????????//不存在該文件時先創建??
????????????String?filePath?=?CurDir?+?“RSA“?+?“.pem“;
????????????System.IO.StreamWriter?file1?=?new?System.IO.StreamWriter（filePath?false）;?????//文件已覆蓋方式添加內容??
????????????file1.Write（pub_key）;//保存數據到文件??
????????????file1.Close（）;?//關閉文件??
????????????file1.Dispose（）;
????????????return?root.ToString（）;
????????}
????????///?

????????///?RSA加密
????????///?

????????///?
????????///?
????????///?
????????public?static?string?EncryptCSharp（string?data?string?encoding?=?“UTF-8“）
????????{
????????????RsaKeyParameters?pubkey;
????????????using?（var?sr?=?new?StreamReader（“F:\\RSAT.pem“））
????????????{
????????????????var?pemReader?=?new?Org.BouncyCastle.OpenSsl.PemReader（sr）;
????????????????pubkey?=?（RsaKeyParameters）pemReader.Readobject（）;
????????????}
????????????var?cipher?=?（BufferedAsymmetricBlockCipher）CipherUtilities.GetCipher（“RSA/ECB/OAEPWITHSHA-1ANDMGF1PADDING“）;
????????????cipher.Init（true?pubkey）;
????????????var?message?=?Encoding.UTF8.GetBytes（data）;
????????????var?output?=?Encrypt（message?cipher）;
????????????return?Convert.Tobase64String（output）;
????????}
????????public?static?byte[]?Encrypt（byte[]?message?BufferedAsymmetricBlockCipher?cipher）
????????{
????????????using?（var?buffer?=?new?MemoryStream（））
????????????{
????????????????using?（var?transform?=?new?BufferedCipherTransform（cipher））
????????????????using?（var?stream?=?new?CryptoStream（buffer?transform?CryptoStreamMode.Write））
????????????????using?（var?messageStream?=?new?MemoryStream（message））
????????????????????messageStream.CopyTo（stream）;
????????????????return?buffer.ToArray（）;
????????????}
????????}


????????///?
????
????????///?RSA公鑰格式轉換，?
????????///?
????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-31?09:05??微信企業付款到銀行卡c#\
?????文件????????4745??2018-03-31?09:03??微信企業付款到銀行卡c#\accounts.cs
?????文件?????2236416??2015-12-28?21:38??微信企業付款到銀行卡c#\BouncyCastle.Crypto.dll
?????文件????????1617??2018-03-01?15:49??微信企業付款到銀行卡c#\BufferedCipherTransform.cs
?????文件????????1016??2018-03-01?14:53??微信企業付款到銀行卡c#\ceshi.html
?????文件?????????101??2018-02-06?09:03??微信企業付款到銀行卡c#\ceshipiliang.ashx
?????文件????????4603??2018-03-01?16:23??微信企業付款到銀行卡c#\ceshipiliang.ashx.cs
?????文件?????????262??2018-03-31?09:07??微信企業付款到銀行卡c#\說明.txt