[RC5] Cracking 40 bits in realtime

Christopher Hodson (Consultant) cmh at fpk.hp.com
Thu Jan 8 16:19:14 EST 1998

gindrup at okway.okstate.edu wrote:
>      Anyone making a serious attack on a message already _does_ know
>      something about what it contains.

I agree entirely, however, just because you know that there is a credit
card number 10 bytes in does NOT mean you can otimize a client as much
as bovine has done.  It would take much longer in practice.

I'm just playing devil's advocate here.
Christopher M. Hodson
System Admin (Consultant)
Hewlett Packard Engineering Services Group
cmh at fpk.hp.com
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