Active X Control that has register name and serials. and keygen based on a code key

ok i plan on emplementing this in many active x controls so i need a very easy routine and if possible how to implement this in already done controls. must be written in visual c++ 6.0 i'm looking for two things.. an active x control as a demoo (but i need the source to emplement in other controls). and a key gen that will take a special key such as a string a 15 to 50 alpha - numeric key any i make up such as sdss123sdfsf234356fgag it should take the key to user name and provide a valid unlock code. basically i want to to have my active x controls have a way to have registered names and serials in a register event based on a code key which i can make up. however i want this key to be hidden from decompilers. basically something like [login to view URL] (username, serial) id like to specify a key licence somewhere in teh control where it can't be seen if someone would open it up in a decompiler such as wdasm or any other like that. id like to have a key generator which will let me enter in a key licence and a user name and produce a key so i can send a registered user and it will unlock the control so a please register splash screen will not show. to get a better grasp at what im looking for try [login to view URL] they have there controls with something like this. i want a keygen that will produce real unlock codes so i can send real unlock codes to registered users. basically the serial should be formed from the combination of the licence key hidden inside the control itself and the users name so no two keys will be the same. im just getting real tired of having two version of all my stuff a demo and a retail. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform win98,me,2k,xp