Jouni, Good catch -- 0x00 should be 16 octets long and MK should be generated from GKDF-16 instead.
-- t. charles clancy, ph.d. <> [EMAIL PROTECTED] <> www.cs.umd.edu/~clancy On Fri, April 6, 2007 2:25 pm, Jouni Malinen wrote: > On Fri, Apr 06, 2007 at 09:07:11AM +0200, Hannes Tschofenig wrote: > >> http://www.tschofenig.com/svn/draft-clancy-emu-eap-gpsk/draft-ietf-emu-eap-gpsk-05.txt >> ChangeLog: >> - replaced Hash with MAC > > If I understood the change correctly, GKDF-X(Y, Z) is now using > AES-128-CMAC if ciphersuite #1 is used. This would require 16-octet key > (Y), but the values passed into GKDF in 6.1.3 are of 1 octet (0x00) and > 32 octets (MK). How is this supposed to work? > > -- > Jouni Malinen PGP id EFC895FA > > _______________________________________________ > Emu mailing list > [email protected] > https://www1.ietf.org/mailman/listinfo/emu > _______________________________________________ Emu mailing list [email protected] https://www1.ietf.org/mailman/listinfo/emu
