On 06/09/2021 11:24, austin obyrne wrote:
> They do this for every single plaintext. They only use this path
> once for each and every plaintext in Alice’s message i.e. the used
> path is discarded for a different one for each new plaintext.
That means a new key for every message, which gives you the headache of
key scheduling, a huge deal given the enormity of the work involved in
changing your key.
> ASCII is recoded from the standard form into what might be called a substitution alphabet.
Not all ASCII. For example, you can't handle tabs, newlines, or ACKs.
Email: rjh at cpax dot org dot uk
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