Re: Cohen's paper on byte order
From: Roger Schlafly (rogersc@mindspring.com)
Date: 04/07/03
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From: "Roger Schlafly" <rogersc@mindspring.com> Date: Mon, 07 Apr 2003 18:40:43 GMT
"Eugene Starokoltsev" <eugene_o@gmx.net> 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
> sequences.
> 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.
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