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Cipher alphabets may be direct standard, as in the example below Plain :
LMNOPQRSTUVWXYZABCDEFGHI J K (one of the 25 possible slides or
juxtapositions of the two sequences for ...
Playfair cipher : : ; # : Periodic fractionation Germany's ADFGVX cipher ... N BC
CY X AC AJ Y | DE AF Z | AE BD A B C D E F G H I J K cipher), so a single table
will suffice for both encipherment and decipherment, avoiding construction of a ...
Periodic fractionation Germany's ADFGVX cipher Enci- phered code Mechanical
cipher machines 17 1. Gronsfeld Figure 2: United States Army cipher disk. to be
used in the operations of encipherment and decipherment. The system known as
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review