> that doesn't directly address their suitability as UUIDs. it seems > like an odd choice to me (certainly it's an expensive way of > generating them), although i guess it depends what your application > is.
sha-1 is a standard uuid format. since a uuid is 16 bytes and sha-1 is 20, there should be plenty of room in there. here's the fully legal url: http://en.wikipedia.org/wiki/UUID#Version_5_.28SHA-1_hash.29 - erik
