17 Dec
2003
17 Dec
'03
11:17 p.m.
In article <Pine.LNX.3.92.960414121820.358A-100000@gak> "Mark M." <markm@voicenet.com> writes:
I haven't heard of any efficient cryptanalysis against Blowfish. I know there are weak keys, but they are difficult to exploit. 16 round Blowfish can be broken using differential cryptanalysis with 2^128+1 chosen plaintexts.
Doesn't this assume known S-boxes, though? If so, since the S-boxes are key dependent, is this anything to worry about?