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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace POSV.Utils
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{
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/// <summary>
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/// M1卡功能类
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/// </summary>
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public class MifareCardUtils
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{
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private static byte[] KEY_A = { 0x6F, 0x82, 0xD7, 0x20, 0xD9, 0x4B };
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private static byte[] KEY_Other = { 0x46 , 0x46 , 0x46 , 0x46 , 0x46 , 0x46 };
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private static string PASSWD = "AE302A12B644A790A22E53F13BCC4AB8";
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public static int Init(Int16 port , int baud)
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{
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return Mwrf32_Init(port , baud);
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}
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public static int Status(int handle)
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{
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return Mwrf32_Status(handle);
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}
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public static void Beep(int handle , int msec)
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{
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Mwrf32_Beep(handle , msec);
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}
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public static Tuple<int , string> Card(int handle)
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{
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return Mwrf32_Card(handle);
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}
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public static Tuple<int , string> Read(int handle , int mode , int sector , int block)
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{
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return Mwrf32_Read(handle , mode , sector , block);
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}
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public static Tuple<int, string> Read_Other(int handle, int mode, int sector, int block)
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{
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return Mwrf32_Read_Other(handle, mode, sector, block);
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}
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public static int Halt(int handle)
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{
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return Mwrf32_Halt(handle);
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}
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public static int Exit(int handle)
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{
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return Mwrf32_Exit(handle);
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}
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/// <summary>
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/// 获取卡片序列号
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/// </summary>
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/// <param name="handle"></param>
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/// <returns></returns>
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public static string GetSnr(int handle)
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{
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byte[] snr = new byte[5];
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//开始寻卡，0——表示IDLE模式，一次只对一张卡操作
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int status = Mwrf32.rf_card(handle, 1, snr);
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if (status == 0)
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{
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NLog.LogManager.GetCurrentClassLogger().Info(ByteArrayToHexString(snr));
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return ByteArrayToHexString(snr);
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}
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else
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{
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return "";
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}
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}
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/// <summary>
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/// 明华RF-EYE-U010-MEM 读卡器初始化
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/// 型号：RF-EYE-U010-MEM
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/// 批号：12520169920
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/// </summary>
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/// <returns></returns>
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private static int Mwrf32_Init(Int16 port , int baud)
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{
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return Mwrf32.rf_init(port , baud);
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}
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/// <summary>
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/// 取得硬件版本号
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/// </summary>
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/// <param name="handle"></param>
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/// <param name="state"></param>
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/// <returns></returns>
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private static int Mwrf32_Status(int handle)
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{
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byte[] version = new byte[30];
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return Mwrf32.rf_get_status(handle , version);
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}
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/// <summary>
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/// 蜂鸣
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/// </summary>
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/// <param name="handle"></param>
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/// <param name="msec"></param>
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private static void Mwrf32_Beep(int handle , int msec)
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{
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Mwrf32.rf_beep(handle , msec);
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}
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private static Tuple<int , string> Mwrf32_Card(int handle)
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{
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byte[] snr = new byte[5];
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//开始寻卡，0——表示IDLE模式，一次只对一张卡操作
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int status = Mwrf32.rf_card(handle , 1 , snr);
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if (status == 0)
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{
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byte[] snr1 = new byte[8];
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Mwrf32.hex_a(snr , snr1 , 4);
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NLog.LogManager.GetCurrentClassLogger().Debug("检测到会员卡:" + System.Text.Encoding.Default.GetString(snr1));
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return new Tuple<int, string>(status, System.Text.Encoding.Default.GetString(snr1));
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}
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else
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{
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return new Tuple<int , string>(status , string.Empty);
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}
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}
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private static Tuple<int, string> Mwrf32_Read(int handle , int mode , int sector , int block)
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{
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int status = Mwrf32.rf_load_key(handle , mode , sector , KEY_A);
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if (status == 0)
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{
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status = Mwrf32.rf_authentication(handle , 0 , sector); //验证密码
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if (status == 0)
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{
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byte[] buffer = new byte[16];
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status = Mwrf32.rf_read(handle , sector * 4 + block , buffer); //读数据
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if (status == 0)
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{
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string _message = "";
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for (int i = 0; i < 4 * 4; i++)
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{
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_message += buffer[i].ToString("X2");
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}
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AesParser parser = new AesParser();
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byte[] key = parser.ParseKey(PASSWD);
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int nK = PASSWD.Length / 8;
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int nR = nK + 6;
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byte[][] expandedKey = Aes.ExpandKey(key , nK);
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byte[,] state = parser.ParseHexString(ByteArrayToHexString(buffer));
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byte[][,] all = Aes.InvCipher(state , expandedKey , nR);
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byte[,] cardNo = all[nR];
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byte[] rst = new byte[4 * 4];
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for (int row = 0; row < 4; row++)
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{
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for (int col = 0; col < 4; col++)
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{
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rst[(row * 4) + col] = cardNo[row , col];
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}
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}
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return new Tuple<int , string>(status , new String(new ASCIIEncoding().GetChars(rst)));
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}
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else
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{
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NLog.LogManager.GetCurrentClassLogger().Debug("读取卡数据失败!" , sector);
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return new Tuple<int , string>(status , string.Empty);
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}
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}
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else
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{
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NLog.LogManager.GetCurrentClassLogger().Debug("验证{0}扇区密码失败!" , sector);
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return new Tuple<int , string>(status , string.Empty);
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}
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}
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else
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{
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NLog.LogManager.GetCurrentClassLogger().Debug("加载密钥失败!");
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return new Tuple<int , string>(status , string.Empty);
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}
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}
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private static Tuple<int, string> Mwrf32_Read_Other(int handle, int mode, int sector, int block)
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{
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int status = Mwrf32.rf_load_key(handle, mode, sector, KEY_Other);
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if (status == 0)
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{
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status = Mwrf32.rf_authentication(handle, 0, sector); //验证密码
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if (status == 0)
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{
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byte[] buffer = new byte[16];
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status = Mwrf32.rf_read(handle, sector * 4 + block, buffer); //读数据
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if (status == 0)
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{
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string _message = "";
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for (int i = 0; i < 4 * 4; i++)
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{
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_message += buffer[i].ToString("X2");
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}
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var array = HexStringToByteArray(_message.ToLower().Substring(0, 16));
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string hex = System.Text.Encoding.Default.GetString(array).Replace("\0", " ").Trim();
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Console.WriteLine(hex);
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string str = decode(hex);
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Console.WriteLine(str);
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return new Tuple<int, string>(status, str);
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}
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else
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{
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NLog.LogManager.GetCurrentClassLogger().Debug("读取卡数据失败!", sector);
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return new Tuple<int, string>(status, string.Empty);
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}
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}
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else
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{
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NLog.LogManager.GetCurrentClassLogger().Debug("验证{0}扇区密码失败!", sector);
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return new Tuple<int, string>(status, string.Empty);
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}
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}
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else
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{
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NLog.LogManager.GetCurrentClassLogger().Debug("加载密钥失败!");
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return new Tuple<int, string>(status, string.Empty);
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}
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}
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public static string decode(string encryptStr)
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{
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try
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{
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//------------解密--------------
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// 加密串
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encryptStr = encryptStr.Trim();
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int length = encryptStr.Length;
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string result = "";
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for (int i = 1; i <= length; i++)
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{
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result += chr(ord(encryptStr[i - 1].ToString()) - (length - i - 2) * 2);
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}
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// 字符反转
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char[] arr = result.ToCharArray();
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Array.Reverse(arr);
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result = new string(arr);
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return result;
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}
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catch (Exception e)
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{
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Console.WriteLine(e.ToString());
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Console.Write(e.StackTrace);
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}
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return "";
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}
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private static int ord(string s)
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{
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return (int)s[0];
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}
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public static string chr(int i)
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{
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StringBuilder sbu = new StringBuilder();
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sbu.Append((char)i);
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return sbu.ToString();
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}
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private static int Mwrf32_Halt(int handle)
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{
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return Mwrf32.rf_halt(handle);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="handle"></param>
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/// <returns></returns>
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private static int Mwrf32_Exit(int handle)
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{
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return Mwrf32.rf_exit(handle);
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}
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/// <summary>
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/// 字节数组转十六进制字符串
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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private static string ByteArrayToHexString(byte[] data)
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{
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StringBuilder sb = new StringBuilder(data.Length * 3);
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foreach (byte b in data)
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{
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sb.Append(Convert.ToString(b , 16).PadLeft(2 , '0'));
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}
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return sb.ToString().ToUpper();
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}
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private static byte[] HexStringToByteArray(string s)
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{
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s = s.Replace(" " , "");
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byte[] buffer = new byte[s.Length / 2];
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for (int i = 0; i < s.Length; i += 2)
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{
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buffer[i / 2] = (byte)Convert.ToByte(s.Substring(i , 2) , 16);
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}
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return buffer;
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}
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}
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}
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