The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 324
... letters of the plaintext are inscribed on a sheet underneath the per- forated design . Usually the grille is ... letter second letter A B C D E F 324 Cryptology.
... letters of the plaintext are inscribed on a sheet underneath the per- forated design . Usually the grille is ... letter second letter A B C D E F 324 Cryptology.
Page 325
Playfair cipher Periodic fractiona- tion Germany ADFGV cipher. first letter second letter A B C D E F G HI J K X Y N A ... letters would have been found in the row and column coordi- nates and the plaintext equivalent in the interior of ...
Playfair cipher Periodic fractiona- tion Germany ADFGV cipher. first letter second letter A B C D E F G HI J K X Y N A ... letters would have been found in the row and column coordi- nates and the plaintext equivalent in the interior of ...
Page 326
... letters provide an example : 2 34 5 1 1 F L U TE 2 S A B C D 3 G H I K M 4 N O P Q R 5 V W X Y Z ALL QUIET ... letters should have ( as measured on the normal sequence ) ; hence , the limitation of only the first ten rows of the Vigenère ...
... letters provide an example : 2 34 5 1 1 F L U TE 2 S A B C D 3 G H I K M 4 N O P Q R 5 V W X Y Z ALL QUIET ... letters should have ( as measured on the normal sequence ) ; hence , the limitation of only the first ten rows of the Vigenère ...
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Africa American animals areas asthenosphere atoms bee-eaters BIBLIOGRAPHY cells centimetres century charge church cipher collagen common complex compounds conifers conodonts Conrad conservation conservatism constant constitution consumer contains continental continental drift coordination coordination compounds copper Coraciiformes coral Corbusier corporations cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Cromwell Crusade crust crustaceans cryptanalysis decapods delinquency deposits early Earth economic effect electron energy England Europe example fine-structure constant fossil France French genera geosynclines groups hoopoes hornbills important industrial involved known land Le Corbusier ligands major ment metal metres modern myth natural nuclear occur ocean offenders organic particles percent period plaintext political pollution population problems protection proton reefs result rocks sediments social species structure theory tion tradition trans United usually