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90s Slang You Should Know

keying sequence

noun, Cryptography.
1.
a sequence made up of letters or numbers that can encode or decode a polyalphabetic substitution cipher one letter at a time.
Origin of keying sequence
1940-1945
First recorded in 1940-45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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14
15
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