> Encrypting lots of small chunks of data with the same key is a very
> dangerous thing to do and it's very tricky to get right.
Using an initialization vector (IV) is the way to go, recommend using CBC or CFB
mode. Although, an IV is never supposed to be used more than once with the same
key; that can leak hints about the plaintext. Where is the randomly generated
IV stored for use during decryption?
--
Andrew Chernow
eSilo, LLC
every bit counts
http://www.esilo.com/
