On Jun 9, 2011, at 10:43 AM, Ian G wrote: > On 10/06/11 3:14 AM, Paul Hoffman wrote: >> Greetings again. I am helping someone design a system that will involve >> giving someone a randomly-generated key that they have to type in order to >> unlock data that is private but not terribly valuable. Thus, we want to keep >> the key as short as practical to reduce typing and mis-typing, but long >> enough to prevent trivial brute-force attacks. The encryption will be >> AES-128 in CBC mode. >> >> What is the current state of brute-force attacks on AES-128 blobs? Are there >> recent results where we can estimate the cost of brute-forcing 64-bit and >> 80-bit keys? > > > Not quite what you are asking for, but you could poke around here: > > http://www.keylength.com/en/3/
Poked, rejected. I want measurements from which I can derive my own recommendations. I don't see any recent measurements here. --Paul Hoffman _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
