[EXT] Re: Help with OTP encryption

Philip Taylor P.Taylor at Rhul.Ac.Uk
Wed May 19 10:54:52 CEST 2021

N. Andrew Walsh wrote:

 For what it's worth, the character-to-number conversion also converted numbers, some punctuation, and certain TeX tags (like \textemdash gets its own number, as do "startquote" and "endquote").

How could this be ?  You say "each character has been converted to one of 52 two-digit numbers (so, 01 through 52)" but [a-zA-Z] of itself will require 52 such numbers, so what numbers are assigned to [0-9 . , ; : ! ? \textemdash ...] ?
** Phil.

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