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using KGIS.Framework.Utils;
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using Kingo.Crypto;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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namespace Kingo.PluginServiceInterface
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{
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public static class EncryptionHelper
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{
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/// <summary>
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/// 非对称加密私钥
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/// </summary>
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//private static string PrvKeySM2 { get; set; }
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/// <summary>
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/// 非对称加密公钥
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/// </summary>
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//private static string PubKeySM2 { get; set; }
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/// <summary>
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/// 生成非对称加密秘钥
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/// </summary>
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public static void GenerKeySM2()
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{
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try
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{
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string prvKey = string.Empty;
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string pubKey = string.Empty;
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SM2.GenerateKeyPair(out prvKey, out pubKey);
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using (StreamWriter writer = new StreamWriter("PrivateKey_SM2.xml")) //这个文件要保密
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{
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writer.WriteLine(prvKey);
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}
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using (StreamWriter writer = new StreamWriter("PublicKey_SM2.xml"))
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{
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writer.WriteLine(pubKey);
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}
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}
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catch (Exception ex)
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{
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LogAPI.Debug(ex);
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throw ex;
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}
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}
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/// <summary>
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/// 生成对称加密秘钥
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/// </summary>
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public static string GenerKeySM4()
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{
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try
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{
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SM4 sm4 = new SM4();
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//生成秘钥
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return sm4.GenerateKey();
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//using (StreamWriter writer = new StreamWriter("PrivateKey_SM4.xml")) //这个文件要保密
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//{
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// writer.WriteLine(PrvKeySM4);
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//}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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/// <summary>
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/// 非对称加密
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/// </summary>
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/// <param name="txtWord"></param>
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/// <param name="keyType">1:县级内网私钥加密 2：县级内网公钥加密 3:枢纽机公钥 </param>
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/// <returns></returns>
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public static string SM2Encrypt(string txtWord, int keyType, string xzqdm)
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{
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try
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{
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return SM2.Encrypt(GetDogKey(keyType, xzqdm), txtWord);
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}
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catch (Exception ex)
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{
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LogAPI.Debug("非对称加密失败：" + ex.Message);
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throw ex;
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}
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}
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/// <summary>
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/// 非对称解密
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/// </summary>
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public static string SM2Decrypt(string txtWord, string xzqdm)
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{
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try
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{
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return System.Text.Encoding.UTF8.GetString(SM2.Decrypt(GetDogKey(1, xzqdm), txtWord));
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}
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catch (Exception ex)
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{
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LogAPI.Debug("非对称解密失败,请检查是否插入加密狗：" + ex.Message);
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throw new Exception("请检查是否插入加密狗！");
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}
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}
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/// <summary>
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/// 对称加密
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/// </summary>
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public static string SM4Encrypt(string txtWord, string key)
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{
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try
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{
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SM4 sm4 = new SM4();
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sm4.secretKey = key;
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sm4.hexString = true;
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return sm4.EncryptECB(txtWord);
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}
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catch (Exception ex)
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{
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LogAPI.Debug("对称加密失败：" + ex.Message);
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throw ex;
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}
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}
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/// <summary>
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/// 对称解密
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/// </summary>
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public static string SM4Decrypt(string txtWord, string key)
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{
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try
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{
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SM4 sm4 = new SM4();
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sm4.secretKey = key;
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sm4.hexString = true;
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return sm4.DecryptECB(txtWord);
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}
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catch (Exception ex)
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{
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LogAPI.Debug("对称解密失败：" + ex.Message);
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throw ex;
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}
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}
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/// <summary>
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/// 生成签章文件
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/// </summary>
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/// <param name="dicPath"></param>
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/// <param name="relativeFilePath"></param>
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/// <param name="dataCode"></param>
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public static string GetFileSing(string filePath, string xzqdm, string dataCode = "")
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{
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try
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{
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if (dataCode.ToUpper() == "SHP")
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{
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string shpFileMd5 = GetMD5HashFromFile(filePath, xzqdm);
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string fileName = System.IO.Path.GetFileNameWithoutExtension(filePath);
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string dbfFilePath = System.IO.Path.GetDirectoryName(filePath) + "\\" + fileName + ".dbf";
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string dbfFileMd5 = GetMD5HashFromFile(dbfFilePath, xzqdm);
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return shpFileMd5 + dbfFileMd5;
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//string signContent = Kingo.Crypto.SM2.Sm2Sign(shpFileMd5 + dbfFileMd5, PrvKeySM2);
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//string signFilePath = System.IO.Path.GetDirectoryName(filePath) + "\\" + fileName + ".sign";
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//StreamWriter streamWriter = File.CreateText(signFilePath);
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//streamWriter.Write(signContent);
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//streamWriter.Close();
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}
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else if (dataCode.ToUpper() == "GDB")
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{
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string[] files = System.IO.Directory.GetFiles(filePath, "*.*", SearchOption.AllDirectories);
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Dictionary<string, string> keyVa = new Dictionary<string, string>();
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foreach (string item in files)
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{
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string fileName = System.IO.Path.GetFileName(item);
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if (System.IO.Path.GetExtension(item).Equals(".lock", StringComparison.CurrentCultureIgnoreCase) ||
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System.IO.Path.GetExtension(item).Equals(".xls", StringComparison.CurrentCultureIgnoreCase) ||
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System.IO.Path.GetExtension(item).Equals(".xlsx", StringComparison.CurrentCultureIgnoreCase))
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{
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continue;
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}
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string fileMd5 = GetMD5HashFromFile(item, xzqdm);
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if (string.IsNullOrWhiteSpace(fileMd5))
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{
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continue;
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}
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keyVa.Add(fileName, fileMd5);
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}
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return Newtonsoft.Json.JsonConvert.SerializeObject(keyVa);
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}
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else
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{
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return GetMD5HashFromFile(filePath, xzqdm);
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}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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public static bool CreateSign(string json, string signFileName)
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{
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try
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{
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try
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{
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if (System.IO.File.Exists(signFileName))
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{
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System.IO.File.Delete(signFileName);
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}
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}
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catch (Exception ex)
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{
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LogAPI.Debug("删除已有签章失败：" + ex.Message);
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}
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//string signContent = Kingo.Crypto.SM2.Sm2Sign(json, PrvKeySM2);
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using (StreamWriter streamWriter = File.CreateText(signFileName))
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{
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streamWriter.Write(json);
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streamWriter.Close();
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}
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return true;
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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/// <summary>
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/// 获取文件MD5
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/// </summary>
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/// <param name="fileName">文件名</param>
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/// <param name="isEncryption">是否加密</param>
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/// <returns></returns>
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public static string GetMD5HashFromFile(string fileName, string xzqdm, bool isEncryption = true)
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{
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try
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{
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//System.Security.Cryptography.MD5 md5Hasher = System.Security.Cryptography.MD5.Create();
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//byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(fileName));
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//StringBuilder sBuilder = new StringBuilder();
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//for (int i = 0; i < data.Length; i++)
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//{
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// sBuilder.Append(data[i].ToString("x2"));
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//}
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//return Kingo.Crypto.SM2.Sm2Sign(sBuilder.ToString(), key);
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using (FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read))
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{
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System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
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byte[] retVal = md5.ComputeHash(file);
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < retVal.Length; i++)
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{
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sb.Append(retVal[i].ToString("x2"));
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}
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if (isEncryption)
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{
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return Kingo.Crypto.SM2.Sm2Sign(sb.ToString(), GetDogKey(1, xzqdm));
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}
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else
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{
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return sb.ToString();
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}
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}
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}
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catch (Exception ex)
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{
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LogAPI.Debug("获取文件md5失败：" + ex.Message);
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return null;
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}
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}
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/// <summary>
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/// 获取加密狗
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/// </summary>
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/// <param name="keyType">1：内网私钥 2：内网公钥 3：枢纽机公钥</param>
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/// <returns></returns>
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public static string GetDogKey(int keyType, string xzqdm)
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{
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try
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{
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KGIS.USBDog.USBKey uSBKey = KGIS.USBDog.Dog.GetDogContent();
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if (uSBKey == null)
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{
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string dogKey = KGIS.Framework.Utils.SysConfigsOprator.GetAppsetingValueByKey("TestKey");
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if (!string.IsNullOrWhiteSpace(dogKey) && dogKey.Equals("kingo"))
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{
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switch (keyType)
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{
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case 1:
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return KGIS.Framework.Utils.SysConfigsOprator.GetAppsetingValueByKey("SM2PriK");
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case 2:
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return KGIS.Framework.Utils.SysConfigsOprator.GetAppsetingValueByKey("SM2PubK");
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case 3:
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return KGIS.Framework.Utils.SysConfigsOprator.GetAppsetingValueByKey("SM2OutPubK");
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}
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|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (uSBKey.Xzqdm.EndsWith("0000"))//省级加密狗
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (uSBKey.Xzqdm.EndsWith("00") && xzqdm.StartsWith(uSBKey.Xzqdm.Substring(0, 4)))//市级加密狗
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (uSBKey.Type != 2 || !uSBKey.Xzqdm.Equals(xzqdm)) //uSBKey.Type = 2 县级内网加密狗
|
|
|
|
|
|
{
|
|
|
|
|
|
//LogAPI.Debug($"获取到的加密狗不是{xzqdm}县内网加密狗！");
|
|
|
|
|
|
return string.Empty;
|
|
|
|
|
|
}
|
|
|
|
|
|
switch (keyType)
|
|
|
|
|
|
{
|
|
|
|
|
|
case 1:
|
|
|
|
|
|
return uSBKey.SelfPrivateKey;
|
|
|
|
|
|
case 2:
|
|
|
|
|
|
return uSBKey.SelfPublicKey;
|
|
|
|
|
|
case 3:
|
|
|
|
|
|
return uSBKey.PublicKey;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
LogAPI.Debug("获取加密狗异常：" + ex.Message);
|
|
|
|
|
|
}
|
|
|
|
|
|
throw new Exception("获取加密狗异常");
|
|
|
|
|
|
//return string.Empty;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 验证基础库签章
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="jckPath"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static void CheckJCKSign(List<string> lstPath)
|
|
|
|
|
|
{
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
string signKey = KGIS.Framework.Utils.SysConfigsOprator.GetAppsetingValueByKey("SignPubK");
|
|
|
|
|
|
if (string.IsNullOrWhiteSpace(signKey))
|
|
|
|
|
|
{
|
|
|
|
|
|
throw new Exception("未获取到SystemConfig.xml配置文件签章的公钥SignPubK！");
|
|
|
|
|
|
}
|
|
|
|
|
|
foreach (var jckPath in lstPath)
|
|
|
|
|
|
{
|
|
|
|
|
|
string[] files = System.IO.Directory.GetFiles(jckPath, "*.sign", SearchOption.AllDirectories);
|
|
|
|
|
|
if (files == null || files.Length <= 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
throw new Exception("请确认路径下签章是否存在：" + jckPath);
|
|
|
|
|
|
//MessageHelper.ShowError("请确认路径下签章是否存在：" + jckPath);
|
|
|
|
|
|
}
|
|
|
|
|
|
if (files.Length > 1)
|
|
|
|
|
|
{
|
|
|
|
|
|
throw new Exception(jckPath + "路径下有多个签章，无法验证签章！");
|
|
|
|
|
|
}
|
|
|
|
|
|
string signPath = files[0];
|
|
|
|
|
|
string jckSign = CommonHelper.ReadTextFileConten(signPath);
|
|
|
|
|
|
if (string.IsNullOrWhiteSpace(jckSign))
|
|
|
|
|
|
{
|
|
|
|
|
|
throw new Exception(signPath + "签章内容为空！");
|
|
|
|
|
|
}
|
|
|
|
|
|
string[] dirs = System.IO.Directory.GetDirectories(System.IO.Path.GetDirectoryName(signPath));
|
|
|
|
|
|
if (dirs == null || dirs.Length <= 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
throw new Exception("同级文件夹下未找到省级下发基础库GDB！");
|
|
|
|
|
|
}
|
|
|
|
|
|
string gdbPath = dirs[0];
|
|
|
|
|
|
if (dirs.Length > 1 && dirs.Where(x => x.EndsWith(".gdb", StringComparison.CurrentCultureIgnoreCase)).Count() > 1)
|
|
|
|
|
|
{
|
|
|
|
|
|
throw new Exception(signPath + "签章同级文件夹下存在多个GDB，无法读取基础库！");
|
|
|
|
|
|
}
|
|
|
|
|
|
gdbPath = dirs.FirstOrDefault(x => x.EndsWith(".gdb", StringComparison.CurrentCultureIgnoreCase));
|
|
|
|
|
|
Dictionary<string, string> JCDataList = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, string>>(jckSign);
|
|
|
|
|
|
if (JCDataList != null && JCDataList.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
string filePath = string.Empty;
|
|
|
|
|
|
foreach (var item in JCDataList)
|
|
|
|
|
|
{
|
|
|
|
|
|
filePath = System.IO.Path.Combine(gdbPath, item.Key);
|
|
|
|
|
|
if (!System.IO.File.Exists(filePath))
|
|
|
|
|
|
{
|
|
|
|
|
|
continue;
|
|
|
|
|
|
}
|
|
|
|
|
|
string fileMd5 = GetMD5HashFromFile(filePath, null, false);
|
|
|
|
|
|
if (!SM2.Verify(fileMd5, item.Value, signKey))
|
|
|
|
|
|
{
|
|
|
|
|
|
//MessageHelper.ShowError(signPath + "签章校验不通过！");
|
|
|
|
|
|
throw new Exception(signPath + "签章校验不通过！");
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
throw ex;
|
|
|
|
|
|
//MessageHelper.ShowError(ex.Message);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// MD5加密
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="input">加密数据</param>
|
|
|
|
|
|
/// <returns>返回32位大写字符串</returns>
|
|
|
|
|
|
public static string GetMd5Hash(string input)
|
|
|
|
|
|
{
|
|
|
|
|
|
byte[] inputBytes = Encoding.UTF8.GetBytes(input);
|
|
|
|
|
|
MD5 md5 = MD5.Create();
|
|
|
|
|
|
byte[] hashBytes = md5.ComputeHash(inputBytes);
|
|
|
|
|
|
StringBuilder stringBuilder = new StringBuilder();
|
|
|
|
|
|
for (int i = 0; i < hashBytes.Length; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
stringBuilder.Append(hashBytes[i].ToString("X2"));
|
|
|
|
|
|
}
|
|
|
|
|
|
return stringBuilder.ToString();
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
