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Tool name: DongleKnack
Rating: 5.0 (1 vote)
Author: H. Haftmann                        
Current version: 2.00
Last updated:
Direct D/L link: Locally archived copy
License type: Freeware & Source (TASM, Pascal)
Description: This tools logs all traffic on the parallel port on ring 0 level by using a dynamic VxD.
Thus it works on all Win9x related Windows (Win3x, Win9x and Win2K).

The dynamic VxD either modifies the IOPM (IO Permission Map) or traps the port by setting a Debug Register on its address. To use the Debug Register method you need at least a Pentium processor.
If you have logged all port traffic, you can replay the log file port traffic and thus emulate the Dongle.
The log file is not compressed and it can be used to understand the dongle routines in the application you want to crack.

Be sure you check the source if you're interessted in Win9x system programming.
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