131 reputation
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bio website keltia.net
location Meudon, France
age 45
visits member for 1 year, 10 months
seen Mar 12 at 15:20
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Computer professional for more than 15 years now, dabbling in TCP/IP & UNIX security and general IT stuff. Interests includes Ruby, FreeBSD, crypto, ntp and UNIX in general.

Jul
19
revised What are the main weaknesses, if any, of a Playfair cipher?
edited tags