> Subject [cryptography] authentication protocol proposa For authentication of what/whom, with what credentials, to what target(s)? Ah, users with passwords to some node with a password verifier.
On Wed, Jul 17, 2013 at 4:54 PM, Krisztián Pintér <pinte...@gmail.com> wrote: > hello, > some benefits: > [...] > * any amount of data can be derived, and it is not costly (unlike PBKDF2) > [...] Well, so in general we want PBKDFs to be slow and require lots of RAM as a defense against off-line password attacks on stolen password verifiers. Once you have a session key you should want to use a KDF, not a PBKDF, because you need the KDF to be fast. Nico -- _______________________________________________ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography