The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 326
... plaintext into biliteral ( or sometimes triliteral ) equiva- lents , that are then subjected to a further encipherment , usually transposition . The following bipartite square and the encipherment of a message in vertical dinomes under ...
... plaintext into biliteral ( or sometimes triliteral ) equiva- lents , that are then subjected to a further encipherment , usually transposition . The following bipartite square and the encipherment of a message in vertical dinomes under ...
Page 327
... plaintext elements within the matrix but may also duplicate some of the more frequent plaintext elements , providing plaintext variants within the matrix . Furthermore , when letters are used as co- ordinates , variant cipher ...
... plaintext elements within the matrix but may also duplicate some of the more frequent plaintext elements , providing plaintext variants within the matrix . Furthermore , when letters are used as co- ordinates , variant cipher ...
Page 331
... plaintext ; at the receiving end , the same key is added to the incoming cipher signals to pro- duce the original plaintext copy . Television privacy systems may use adaptations of any of the methods of speech privacy systems ...
... plaintext ; at the receiving end , the same key is added to the incoming cipher signals to pro- duce the original plaintext copy . Television privacy systems may use adaptations of any of the methods of speech privacy systems ...
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19th century Africa American animals areas became bee-eaters cells centimetres central centre century Church collagen conifers connective tissue conodonts conservation conservatism constitution continental continental drift copper Coraciiformes coral cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Crusade cultural deposits disease early Earth economic effect energy England Europe federal forest fossil France French function genera geosynclines groups hoopoes hornbills illus important industrial Iráklion island King known land later Le Corbusier legislation major ment metres minerals modern natural North Nyssaceae occur ocean Ordovician organized original Parliament particles party percent period plants political pollution population problems protection reefs region result River rock Roman Saladin sediments social South Soviet species structure theory tion town trade traditional trees tropical trouvères Union United usually western