/// <summary>
/// 计算MAC
/// </summary>
/// <param name="reqData"></param>
/// <param name="macKey"></param>
/// <returns></returns>
public static byte[] getMac(byte[] reqDataBytes, byte[] macKeyBytes)
{
reqDataBytes = getEightMultiplesData(reqDataBytes);
int dataLen = reqDataBytes.Length;
int groupLen = dataLen / 8;
byte[][] body = new byte[groupLen][];
int index = 0;
for (int i = 0; i < groupLen; i++)
{
body[i] = new byte[8];
Array.Copy(reqDataBytes, index, body[i], 0, 8);
index += 8;
}
byte[] zero = new byte[8];
for (int i = 0; i < groupLen; i++)
{
zero = StringUtil.xor(body[i], zero);
zero = DesEncryptUtil.desEncrypt(zero, macKeyBytes);
}
body = (byte[][])null;
return(zero);
}
/// <summary>
/// 计算MAC
/// </summary>
/// <param name="reqData"></param>
/// <param name="macKey"></param>
/// <returns></returns>
public static byte[] getMac(byte[] reqDataBytes, byte[] macKeyBytes)
{
byte[] left = new byte[8];
byte[] right = new byte[8];
Array.Copy(macKeyBytes, 0, left, 0, 8);
Array.Copy(macKeyBytes, 8, right, 0, 8);
byte[] macTemp = ANSIX99.getMac(reqDataBytes, left);
string macTempStr = StringUtil.byteToHexString(macTemp);
byte[] desRightTemp = DesEncryptUtil.desDecrypt(macTemp, right);
string desRightTempStr = StringUtil.byteToHexString(desRightTemp);
byte[] mac = DesEncryptUtil.desEncrypt(desRightTemp, left);
string macStr = StringUtil.byteToHexString(mac);
return(mac);
}
public static byte[] getMac(byte[] reqDataBytes, byte[] keyBytes)
{
int dataLen = reqDataBytes.Length;
int groupLen = dataLen / 8;
byte[][] body = new byte[groupLen][];
int index = 0;
for (int i = 0; i < groupLen; i++)
{
body[i] = new byte[8];
Array.Copy(reqDataBytes, index, body[i], 0, 8);
index += 8;
}
byte[] zero = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
for (int i = 0; i < groupLen; i++)
{
zero = StringUtil.xor(body[i], zero);
}
body = null;
string bodyXor = StringUtil.byteToHexString(zero);//异或的结果
Console.WriteLine("异或结果：" + bodyXor);
zero = null;
byte[] bodyXor_1 = Encoding.UTF8.GetBytes(bodyXor.Substring(0, 8));
Console.WriteLine("左半部分:" + StringUtil.byteToHexString(bodyXor_1));
/** 开始进行加密[第一次] **/
byte[] bodyXor_encrypt = DesEncryptUtil.desEncrypt(bodyXor_1, keyBytes);
Console.WriteLine("左半部分加密结果:" + StringUtil.byteToHexString(bodyXor_encrypt));
bodyXor_1 = null;
int bodyLength = bodyXor.Length;
byte[] bodyXor_2 = Encoding.UTF8.GetBytes(bodyXor.Substring(8, 8));
Console.WriteLine("右半部分:" + StringUtil.byteToHexString(bodyXor_2));
byte[] keyXor = StringUtil.xor(bodyXor_encrypt, bodyXor_2);
Console.WriteLine("加密结果异或右半部分:" + StringUtil.byteToHexString(keyXor));
bodyXor_encrypt = null;
bodyXor_2 = null;
/** 开始进行加密[第二次] **/
byte[] keyXor_encrypt = DesEncryptUtil.desEncrypt(keyXor, keyBytes);
Console.WriteLine("加密后:" + StringUtil.byteToHexString(keyXor_encrypt));
keyXor = null;
return(keyXor_encrypt);
}
