On Wed, 27 Apr 2005 18:46:06 -0400, you wrote: > >> Does anyone here know where i can find the Hardlock API? > >I once worked with a outfit that used those dongles. Here's what I think I >recall. > >You need a "crypto-programming" board available from Aladdin Systems in >Israel. Each board has a vendor ID burned in it that transfers to the >dongle. This information is part of the encryption service provided by the >dongle. A dongle programmed with one crypto-programmer cannot replace a >dongle programmed with another crypto programmer. > >However some dongles also have conventional eeprom or flash which I think >can be programmed with less secure information. > >I also seem to recall them offering a reward for anyone who managed to crack >their encryption algorithm, but that may be long over. > >Aza D. Oberman That sounds about right - from what I can remember, the serial eeprom is accessed by bit-bashing the parallel port lines in a fairly simple fashion - I once hooked a PIC up to the eeprom pads to make a dongle which did some processing of a 'secret' algorithm. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist