[Lazarus] from hfiandor 12 jun 09

[Bogusław Brandys]

JoshyFun wrote:
> Hello Lazarus,
> 
> Sunday, June 14, 2009, 3:35:20 AM, you wrote:
> 
> HFR> some time ago a see a program in a diskette, that if the user wants to copy
> HFR> to another memory (the PC hard disk, for  example) then was copy but was
> HFR> erased in the diskette, and the same in the other way.
> HFR> I want to know if somebody knows about this.
> 
> That was an old protect method, if you copy the program with regular
> methods (copy) the new copy was not protected and refuses to run. If
> you want to copy the protection you must use the built in copy method
> which in fact was a regular copy followed by a destroy diskette
> protection and create the same protection in the new media.
> 
> This kind of protection was useless since protected mode operative
> systems, which does not provide direct access to the mass storage media
> without low level driver.
> 
> A cheap way to do this is to use a license key file which is is
> hidden, so your copy procedure will take care of it, but not the very
> basic users. Other way is to crypt pieces of your EXE using serial
> number of your media, your copy procedure will kill the original
> license key and generate the new one in the new media, but this will
> not prevent your software to be running in two, three, n, bit copied
> USB memories in example.
> 

Ah,you want cheap software protection.I saw something like this - 
turning ordinary USB memory aka flash disk into dongle.


Boguslaw