senecaso

183 reputation

	183 reputation	bio	website		visits	member for	1 year, 9 months
4 badges		location			seen	Nov 5 '11 at 15:52

10 Actions

Oct 21	comment	uniquely identify a symmetric key @Nakedible, thanks! I was hoping to hear something like that.
Oct 17	awarded	Student
Oct 17	awarded	Scholar
Oct 17	accepted	uniquely identify a symmetric key
Oct 17	comment	uniquely identify a symmetric key Ah, I was unaware of PSK Identities. This is pretty much exactly what mikeazo indicated below, so I will mark this answered as it doesnt sound like I can do any better.
Oct 17	comment	uniquely identify a symmetric key Ya, I said "GUID" because it was short and sweet :) I agree any UID would do. My concern is that the UID is then not tied to key, like a fingerprint, so its easier to get things muddled up somewhere down the line. Your statement about offline attack is exactly what I was worried about though. I was hoping there was some magic way to prevent the hash from being useful in an offline attack by salting it or something, to make it more expensive to calculate than simply trying to brute force the key.
Oct 17	asked	uniquely identify a symmetric key
Sep 30	awarded	Supporter
Sep 4	awarded	Teacher
Sep 4	answered	What algorithm does PGP use to encrypt email?