17 Dec
2003
17 Dec
'03
11:17 p.m.
Simon, Do not spec Keyed MD5, it is a complete looser. It is actually weak against a number of attacks. There are much better constructs for creating a keyed digest. There are much better ways of creating a digest than using a hash fuinction as the base. There is some work by Phil Rogaway on making keyed digest functions which I strongly recommend people look at. I can post a paper on the subject if people are interested. Phill