hash function for creating an activation code

[Ali Asghar Toraby Parizy <aliasghar.toraby () gmail com>]

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

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