Registered: Mar 2003
From: England, uk

Hi All

Does any body have a plugin or an algorthim which will allow me to generate a random serial ID about 10 characthers long, each time the installer is executed

cheers

Carlos

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Registered: Oct 2001
From: Israel

You can get the current time using System.dll (search the forum for time and system, there are some topics about this) and pass it on to MD5. It's fairly random.

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Registered: Mar 2003
From: England, uk

Yeah thanks for the info, is there any way to decode the the MD5 string. Back to the original form

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Registered: Oct 2001
From: Israel

No, MD5 is one way. If you want something you can decode back you can try the new Base64 encoder/decoder plug-in dselkirk wrote.

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Registered: Sep 2003
From: Groningen, NL

quote:

---

Originally posted by kichik
... and pass it on to MD5.

---

Oops, I missed that one. I created an NSIS MD5-plugin myself last week

Didn't know there was one already...

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Registered: Mar 2003
From: England, uk

Does anybody have this compiled in a dll form, has i dont have VC on my actual development machine!

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Registered: Sep 2002
From: Minsk, Belarus

QueryPerfomanceCounter gives 13 decimal digits for me (10 hours uptime, 1 ghz). That value can vary from computer to computer and from time to time, but that could be enough to use much simplier methods to get your serial. (see other random thread for QPC system call).

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Registered: Oct 2001
From: Israel

Compiled version.

Attachment: base64.zip
This has been downloaded 334 time(s).

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Registered: Jan 2002
From: AT-DE

how come there is no documentation on the syntax (tried forum and wiki)?

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Registered: Oct 2001
From: Israel

It was probably in the original source file which is now lost. A quick disassembly shows it has two functions - Encode and Decode. Both accept a string in the stack and return the result on the stack as well.

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