[C#]国密SM2算法加解密字符串加密解密文件

using Org.BouncyCastle.Math;
using Org.BouncyCastle.Math.EC;
using Org.BouncyCastle.Utilities.Encoders;
using SM2Crypto.Lib;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SM2Crypto
{
    class Program
    {
    private static  string PubKey= "041E353292615666BB47F6358D3E893394D34AF30D64875E2E422182C15885D3ECA697C345EED99268D3CAC5F6054780C34433E1BF12EBFF1F744B67A2F6863CFB";
    private static  string PriKey = "00FAB34B54C026D158B54C88BC0463CB79B22661C7C870AD2A0455300E05471CE1";

    // 报送文件加密用公钥1 测试阶段无需修改，生产接入时另行发放
     public static readonly string PUB_X_KEY = "dc5f89775f11266dbb166638710463db31a91f7b3061aeddb69444d5ec748929";
	// 报送文件加密用公钥2 测试阶段无需修改，生产接入时另行发放
	public static readonly string PUB_Y_KEY = "740e50cb6e6e04003029a66920d1ba4bc39519035ea423bf0079ef58128202fb";
	// 反馈文件解密用私钥 测试阶段无需修改，生产接入时另行发放
	public static readonly string PRV_KEY = "9401d5a563967f8bd39fbd81d5dedea4e552bf97f5dd8cab95749421a477e7d0";

        static void Main(string[] args)
        {

            //byte a = 149;
            //var a1 = Hex.Encode(new byte[] { a });
            //var b = Hex.Decode(a1);

            ////生成公钥私钥对
            // GetKeyPair();

            //字符串加密与解密
            TestSm2Enc();
            //加密文件
            //EncryptFile();

            //解密文件
            //DecryptFile();

            Console.WriteLine("all done");
            Console.ReadKey();
        }
        /// <summary>
        /// 这个是演示生成公钥和私钥例子
        /// </summary>
        public static void GetKeyPair()
        {
            SM2Utils sm2Utils = new SM2Utils();
            ECPoint pubk;
            BigInteger prik;
            SM2Utils.GenerateKeyPair( out pubk,  out prik);
            var PubKey = Encoding.ASCII.GetString(Hex.Encode(pubk.GetEncoded())).ToUpper();
            var PriKey = Encoding.ASCII.GetString(Hex.Encode(prik.ToByteArray())).ToUpper();
            System.Console.Out.WriteLine("公钥: " + PubKey);
            System.Console.Out.WriteLine("私钥: " + PriKey);
        }