Re: Cohen's paper on byte order
From: Roger Schlafly (email@example.com)
From: "Roger Schlafly" <firstname.lastname@example.org> Date: Mon, 07 Apr 2003 18:40:43 GMT
"Eugene Starokoltsev" <email@example.com> wrote
> Yes. AES external interface is defined in terms of bit sequences only.
> So to make the situation clear we should consider three alternatives:
> 1. AES external interfase is defined in terms of bit sequences only
> (what we see now).
> 2. AES external interface is defined in terms of sequences of integers
> in the range [0..255] only.
> 3. AES external interface is defined in terms of bit _and_ byte
> The last possibility is the worst, as different current communication
> protocols use different byte-to-bits mapping. ...
The fact that some people number bits differently is all the more
reason for AES to use a specific definition. Otherwise, some
systems may fail to be interoperable.