On 7 Jan 2015 22:11 +0000, from [email protected] (Michael Kjörling): > Even if the rotation is bitwise > over the entire plaintext input, the value is bounded by 8 * L, where > L is the length in bytes of the plaintext input. For a full DVD (a > little over 4 GiB), that value is about 32 billion, corresponding to > right around 32 bits of key.
Apologies for the noise, people; of course, 32e9 corresponds to about 35 bits of key. (log(32e9)/log(2) ~ 34.9) Stupid mistake of mine that I really should have caught in proofreading. Doesn't change the big picture, though; for these purposes, 32 = 35. -- Michael Kjörling • https://michael.kjorling.se • [email protected] OpenPGP B501AC6429EF4514 https://michael.kjorling.se/public-keys/pgp “People who think they know everything really annoy those of us who know we don’t.” (Bjarne Stroustrup) _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
