On Mon, Apr 26, 2004 at 05:03:39PM -0700, Joachim Achtzehnter wrote: > Which variant is implemented in Crypto++? It seems that CFB_Mode<AES> > accepts messages of arbitrary size, hence this doesn't seem to be the FIPS > variant, is it the ISO variant?
CFB_Mode is the ISO variant. I've just added CFB_FIPS_MODE to the code in CVS. > Whatever variant it is, does it at least behave identically to the FIPS > variant (from the 800-38A document) when the message size is a multiple of > the feed back size? Yes.
