[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Need help! Regarding aggressive mode of Oakley
I can only guess:
(1) EHAS is necessary in the 3rd msg so that the responder can be assured that
the initiator correctly received the responder's choice.
(2) the need for GRP is not clear;
but, it'll make the 1st msg and the 3rd msg use the same format
(3) similarly for g^x;
with one comment: the responder won't have to retain the 1st msg after it
sends out the 2nd msg.
Neeraj Kapoor wrote:
> hello friends! i am new to this list . and obviously i have a problem. Can
> anybody tell me in the case of the aggressive mode of Oakley Protocol why does
> the initiator needs to send the g^x again to the reponder in the 3'rd mesg along
> with the group information and also EHAS ? (in the case of Oakley protocol)
>
> CKY-I, CKY-R, OK_KEYX, GRP, g^x, EHAS, NIDP,ID(I), ID(R), Ni, Nr, S{ID(I) |
> ID(R) | Ni | Nr | GRP | g^x | g^y | EHAS}Ki
>
> This statement of mine if with reference to RFC2412 of Oakley Protocol.
>
> thanks in advance
> neeraj
> ------------------------------------------------------------------------------
--
---------------------------------------
Gwangsoo Rhee <rhee@sookmyung.ac.kr>
tel: +82-2-710-9429 fax: 710-9296
HP: 011-9691-9541
---------------------------------------
Follow-Ups:
References: