/// <summary>
/// 计算mac 公共类
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] calculateMac(Dictionary <int, string> data, string msgType)
{
//计算MAC用到的数据
byte[] countMacData = EncryptWT.countMacData(msgType, EncryptWT.encryptLKL(data, null));
Console.WriteLine(BCDUtil.byteArrToString(countMacData));
string str = MacUtils.CSMMAC(mackey, BCDUtil.byteArrToString(countMacData));//ConfigurationManager.AppSettings["WTMacKey"]
Console.WriteLine("bcd2Str:" + PosProtocol.bcd2Str(System.Text.Encoding.Default.GetBytes(str.Substring(0, 8))));
//MAC转byte[]
String strMac = PosProtocol.bcd2Str(System.Text.Encoding.Default.GetBytes(str.Substring(0, 8).ToUpper()));
byte[] macByte = BCDUtil.ToByteArray(strMac);
return(macByte);
}
/// <summary>
/// 验证数据是否通过验证
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static string validateKey(string data, string key)
{
string validata = data.Substring(data.Length - 8, 8).ToUpper();
byte[] sources = BCDUtil.HexStrToByteArray(data.Substring(0, 32));
byte[] desKeys = BCDUtil.HexStrToByteArray(key);
byte[] encSource = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] encKeys = CSm4.DecriptB(desKeys, sources);
if (PosProtocol.bytesToHexString(CSm4.EncriptB(encKeys, encSource)).Substring(0, 8).Equals(validata))
{
Console.WriteLine("密钥验证通过返回灌输密钥！！！！");
return(PosProtocol.bytesToHexString(encKeys));
}
return("");
}
