Playfair Cipher - Clarification With Pictures

Clarification With Pictures

Assume one wants to encrypt the digraph OR. There are three general cases:

1) * * * * * * O Y R Z * * * * * * * * * * * * * * *

Hence, OR -> YZ

2) * * O * * * * B * * * * * * * * * R * * * * Y * *

Hence, OR -> BY

3) Z * * O * * * * * * * * * * * R * * X * * * * * *

Hence, OR -> ZX

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Famous quotes containing the word pictures:

    Then my verse I dishonour, my pictures despise,
    My person degrade & my temper chastise;
    And the pen is my terror, the pencil my shame;
    And my talents I bury, and dead is my fame.
    William Blake (1757–1827)