an idle little thought
I was just sitting here thinking about DES software, when it occurred to me that (say, in the case of UNIX crypt) a lot of the keyspace is typically lost because the first 32 ASCII characters are "unfriendly". Has anyone thought of (or maybe implemented) some sort of DES-type symmetric cypher (one that uses typed ASCII passwords) and explicitly allowed, say, 16 byte passwords? Seems like you could take pairs of characters and do some shifting and XORing to get better utilization of the keyspace. Just a minor little idea. (I'm waiting on a big "make"... :-) -- | GOOD TIME FOR MOVIE - GOING ||| Mike McNally <m5@tivoli.com> | | TAKE TWA TO CAIRO. ||| Tivoli Systems, Austin, TX: | | (actual fortune cookie) ||| "Like A Little Bit of Semi-Heaven" |
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m5@vail.tivoli.com