Clipper LEAF simulator chip???

Derek Atkins warlord at MIT.EDU
Mon Jun 6 09:47:24 PDT 1994


> As far asi I know there has been no direct info about how the checksum
> is calculated, only that it is somehow connected to IV.

According to the NSA talk at MIT last week, the "checksum" is formed
by taking a 16-bit, fixed number (fixed in all chips) and encrypting
it with the session key via some special form of skipjack. 

-derek

         Derek Atkins, SB '93 MIT EE, G MIT Media Laboratory
       Member, MIT Student Information Processing Board (SIPB)
    Home page: http://www.mit.edu:8001/people/warlord/home_page.html
       warlord at MIT.EDU    PP-ASEL     N1NWH    PGP key available







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