Function: noun
Date: 1939
: a cipher in which the letters of the plaintext are systematically rearranged into another sequence ― compare SUBSTITUTION CIPHER
Function: noun
Date: 1939
: a cipher in which the letters of the plaintext are systematically rearranged into another sequence ― compare SUBSTITUTION CIPHER
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012