/// <summary>
/// 加密数据
/// </summary>
/// <param name="qiandaoNo"></param>
/// <returns></returns>
public static byte[] EncryptData(string msgType, string tpduStr, Dictionary <int, byte[]> data)
{
int signLength = 0;
byte[] bcdMsgType = BCDUtil.str2Bcd(msgType);
signLength += bcdMsgType.Length;
string bin = "";
for (int i = 1; i <= 64; i++)
{
if (data.ContainsKey(i))
{
bin += "1";
signLength += data[i].Length;
}
else
{
bin += "0";
}
}
byte[] bitMap = BCDUtil.str2Bcd(BCDUtil.leftpad(Convert.ToString(Convert.ToInt64(bin, 2), 16), 8));
signLength = signLength + bitMap.Length;
signLength = signLength + 7;
byte[] result = new byte[signLength];
int copytopos = 0;
byte[] messageLen = BCDUtil.str2Bcd(BCDUtil.leftpad(Convert.ToString((signLength - 2), 16), 4));
byte[] tpdu = BCDUtil.str2Bcd(tpduStr);
messageLen.CopyTo(result, copytopos);
copytopos += 2;
tpdu.CopyTo(result, copytopos);
copytopos += 5;
bcdMsgType.CopyTo(result, copytopos);
copytopos += bcdMsgType.Length;
bitMap.CopyTo(result, copytopos);
copytopos += bitMap.Length;
foreach (byte[] b in data.Values)
{
b.CopyTo(result, copytopos);
copytopos += b.Length;
}
return(result);
}
/// <summary>
/// 计算MAC的加密数据
/// </summary>
/// <param name="qiandaoNo"></param>
/// <returns></returns>
public static byte[] countMacData(string msgType, Dictionary <int, byte[]> data)
{
int signLength = 0;
byte[] bcdMsgType = BCDUtil.str2Bcd(msgType);
signLength += bcdMsgType.Length;
string bin = "";
for (int i = 1; i <= 63; i++)
{
if (data.ContainsKey(i))
{
bin += "1";
signLength += data[i].Length;
}
else
{
bin += "0";
}
}
bin += "1";
byte[] bitMap = BCDUtil.str2Bcd(BCDUtil.leftpad(Convert.ToString(Convert.ToInt64(bin, 2), 16), 8));
signLength = signLength + bitMap.Length;
byte[] result = new byte[signLength];
int copytopos = 0;
bcdMsgType.CopyTo(result, copytopos);
copytopos += bcdMsgType.Length;
bitMap.CopyTo(result, copytopos);
copytopos += bitMap.Length;
foreach (byte[] b in data.Values)
{
b.CopyTo(result, copytopos);
copytopos += b.Length;
}
return(result);
}
