Re: unique identifier of your computer

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#16129

From: Mike Collins
Date: Sat, 31 May 2003 22:01

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Hi Mike,

We do exactly the same thing!  I found the easiest way to generate a unique
ID is to create a new GUID using the CoCreateGuid function, thus:

   AnsiString szGUID = NULL;
   GUID guid;
   if (CoCreateGuid(&guid)==S_OK)
   {
      OLECHAR cBuff[50];
      ZeroMemory(cBuff, sizeof(cBuff));
      if ((StringFromGUID2(guid, cBuff, 50))==(MAX_GUID_SIZE+1))
      {
         szGUID = AnsiString(cBuff);
      }
   }

Alternatively, you could concatenate together several other pieces of
information which is specific to the target PC i.e. Computer Name, Domain
Name, MAC address, IP address etc.

HTH

Mike C


"Mike H." <mikH@joymail.com> wrote in message
news:3ed8d2c9$1@newsgroups.borland.com...
> Hello,
>
> to protect my application from distribution, i like to generare a unique
> identifier of the computer where my application runs. the user give us his
> unique id und he gets a key from us. his puts the key inside the
> application, which write the key to the registry.
>

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Subject: Re: unique identifier of your computer
Date: Sat, 31 May 2003 23:01:47 +0100
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