On Tuesday, August 26, 2003, at 07:55 PM, Jun-ichiro itojun Hagino wrote:
this basically is for CFB1 mode, which uses rijndael encryption for
decryption. that's why esp_rijndael.c did not use rijndael_ctx
(but from API pov it was a bad practice). we of course could ditch
modes we don't need and shrink the size of rijndael_ctx.
It's for CFB1 mode if you use the keyInstance (rk for encrypt-or-decrypt and ek for CFB1), but if use the rijndael_ctx, there's an ek (encrypt key) and dk (decrypt key).
-- Jason R. Thorpe <thorpej%wasabisystems.com@localhost>