public static string Read(string filename)
{
byte[] buffer;
if (isCheckZk)
{
return("");
}
int num = 128;
byte[] buffer3 = new byte[128];
try
{
FileStream stream = new FileStream(filename, (FileMode)3, (FileAccess)1, (FileShare)1);
buffer = new byte[stream.Length - num];
stream.Read(buffer3, 0, num);
stream.Read(buffer, 0, (int)(stream.Length - num));
stream.Close();
}
catch (Exception exception)
{
return(exception.Message);
}
string[] strArray = Encoding.GetEncoding("GB2312").GetString(buffer).Split(new char[] { ',' });
if (strArray.Length == 7)
{
string str2 = strArray[2];
DateTime time = DateTime.ParseExact(str2, "yyyy-MM-dd", null);
string str3 = strArray[3];
DateTime time2 = DateTime.ParseExact(str3, "yyyy-MM-dd", null);
DateTime time3 = DateTime.Now;
if ((time3 >= time) && (time3 <= time2))
{
RSAHandler handler = new RSAHandler();
RSAPKCS1SignatureDeformatter deformatter = handler.CreateRSADeformatter("<root><Modulus>uOTMyuLJ8IzCD+i+1K7ho5Dqssit6X94Kei58/xs/MEgvCLn0EUUJmNC6pIm+S8166aU201TQ7IW45xl4pCUVqGCtItgXVq20T8kCtO7UzeTwT4ibBHhDBbhZrhZO+zYwfiA7UfKIhf96bO8BDqg45MyQQYpTVTZfifgSgJU7uk=</Modulus><Exponent>AQAB</Exponent></root>");
byte[] hashData = handler.GetHashData(buffer);
if (!deformatter.VerifySignature(hashData, buffer3))
{
return("授权文件" + filename + "不正确!");
}
sOrgName = Escape.unescape(strArray[0]);
sItemName = Escape.unescape(strArray[1]);
sWWW = strArray[5];
sIP = strArray[6];
dStartDate = time;
dEndDate = time2;
isCheckZk = true;
return("");
}
return("授权文件" + filename + "已过期!");
}
return("授权文件" + filename + "非法!");
}
public static string ReadFile(string filename)
{
if (!isCheck)
{
byte[] buffer;
if (sVersionNo == "")
{
return("");
}
sVersionNo = "";
int num = 128;
byte[] buffer3 = new byte[128];
try
{
FileStream stream = new FileStream(filename, (FileMode)3, (FileAccess)1, (FileShare)1);
buffer = new byte[stream.Length - num];
stream.Read(buffer3, 0, num);
stream.Read(buffer, 0, (int)(stream.Length - num));
stream.Close();
}
catch (Exception exception)
{
return(exception.Message);
}
string[] strArray = Encoding.GetEncoding("GB2312").GetString(buffer).Split(new char[] { ',' });
if (strArray.Length != 8)
{
return("授权文件" + filename + "非法!");
}
string_0 = strArray[4];
if ((string_0 != "调试用标准版") && (string_0 != "调试用企业版"))
{
RSAHandler handler = new RSAHandler();
RSAPKCS1SignatureDeformatter deformatter = handler.CreateRSADeformatter("<root><Modulus>uOTMyuLJ8IzCD+i+1K7ho5Dqssit6X94Kei58/xs/MEgvCLn0EUUJmNC6pIm+S8166aU201TQ7IW45xl4pCUVqGCtItgXVq20T8kCtO7UzeTwT4ibBHhDBbhZrhZO+zYwfiA7UfKIhf96bO8BDqg45MyQQYpTVTZfifgSgJU7uk=</Modulus><Exponent>AQAB</Exponent></root>");
byte[] hashData = handler.GetHashData(buffer);
if (!deformatter.VerifySignature(hashData, buffer3))
{
return("授权文件" + filename + "不正确!");
}
if ((string_0 != "买断版") && (((strArray[5] != smethod_0()) || (strArray[6] != smethod_2())) || (strArray[7] != smethod_1())))
{
return("授权文件" + filename + "和当前机器的硬件配置不符!");
}
isCheck = true;
}
sCustomerName = strArray[0];
sTel = strArray[1];
sWWW = strArray[2];
sProjectName = strArray[3];
if (string_0 == "标准版")
{
sVersionNo = "1";
}
if (string_0 == "企业版")
{
sVersionNo = "2";
}
if (string_0 == "买断版")
{
sVersionNo = "3";
}
if (string_0 == "调试用标准版")
{
sVersionNo = "4";
}
if (string_0 == "调试用企业版")
{
sVersionNo = "5";
}
}
return("");
}
