public static SysInfo GetComputerId()
{
string assemblyName = Assembly.GetExecutingAssembly().GetName().Name;
SystemInfo.UseProcessorID = true;
SystemInfo.UseBaseBoardProduct = true;
SystemInfo.UseBaseBoardManufacturer = true;
SystemInfo.UseDiskDriveSignature = true;
SystemInfo.UseVideoControllerCaption = true;
SystemInfo.UsePhysicalMediaSerialNumber = true;
SystemInfo.UseBiosVersion = true;
SystemInfo.UseBiosManufacturer = true;
SystemInfo.UseWindowsSerialNumber = true;
string sysInfoTmp = SystemInfo.GetSystemInfo(assemblyName);
sysInfoTmp = SerialNumbersSettings.ProtectedApplications.SaltData.GeneralToolkit + sysInfoTmp + SerialNumbersSettings.ProtectedApplications.SaltData.GeneralToolkit;
byte[] sysInfoBytes = Encoding.ASCII.GetBytes(sysInfoTmp);
byte[] cumputerIdBytes;
using (var hashAlg = SHA512.Create())
{
cumputerIdBytes = hashAlg.ComputeHash(sysInfoBytes);
}
byte[] rsaSignedHashBytes = SerialNumberManager.HashAndSignBytes(cumputerIdBytes, RSALocalCryptoKeyManager.GetAssemblyRsaParameters());
return(new SysInfo(Converters.GeneralConverters.ByteArrayToBase64(cumputerIdBytes), Converters.GeneralConverters.ByteArrayToBase64(rsaSignedHashBytes)));
}
public void Init(SerialNumbersSettings.ProtectedApp app)
{
string pubKey;
switch (app)
{
case SerialNumbersSettings.ProtectedApp.SecureMemo:
pubKey = SerialNumbersSettings.ProtectedApplications.PublicKeys.SecureMemo;
break;
case SerialNumbersSettings.ProtectedApp.SearchForDuplicates:
pubKey = SerialNumbersSettings.ProtectedApplications.PublicKeys.SearchForDuplicates;
break;
default:
throw new ArgumentOutOfRangeException("app");
}
RSA_AsymetricEncryption rsaAsymetricEncryption = new RSA_AsymetricEncryption();
RSAKeySetIdentity rsaPublicKeySetIdentity = new RSAKeySetIdentity("", pubKey);
RSAParameters rsaPublicKey = rsaAsymetricEncryption.ParseRSAPublicKeyOnlyInfo(rsaPublicKeySetIdentity);
_serialNumberManager = new SerialNumberManager(rsaPublicKey, app);
}
