Re: hash function for creating an activation code

[Shreyas Zare <shreyas () technitium com>]

Hi,

You can simple use MD5 or SHA1. MD5 is faster than SHA1, but is less
secure, so if your app is not being deployed in large scale then use
MD5.

Regards

On Mon, Nov 9, 2009 at 11:50 PM, Ali Asghar Toraby Parizy
<aliasghar.toraby () gmail com> wrote:
> hi
> I want to create a license file for my program
> I have created a function that extract unique hex number of each network
> adapters of host computer
> When activation wizard starts, this unique number has been sent to a server
> as a request code. Now i need a hash function that mix this number with a
> user name and return a new code as an activation code to user.
> So please suggest a hash function
> request code is a string like this:
> -------------------
> "
> 000272B0002600FFD924114B0008C9A20DE70001027CC602002215FE0E9B005056C0000100=
> 5056C0000800000000000000E000000000000000E000000000000000E000000000000000E00=
> 0000000000000E000000000000000E000000000000000E000000000000000E0000000000000=
> 00E000000000000000E000000000000000E000000000000000E000000000000000E00000000=
> 0000000E000000000000000E000000000000000E000000000000000E000000000000000E000=
> 000000000000E000000000000000E000000000000000E000000000000000E00000000000000=
> 0E000000000000000E000000000000000E000000000000000E000000000000000E000000000=
> 000000E000000000000000E000000000000000E000000000000000E000000000000000E0000=
> 00000000000E000000000000000E0"
> -------------------
> and a user name may be "aliasghar.toraby () gmail com"
> thanks for any help


-- 
("If at first you don't succeed; call it version 1.0")

Shreyas Zare
Co-Founder, Technitium
eMail: shreyas () technitium com

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