Advertisement
Advertisement
polyalphabetic substitution
[ pol-ee-al-fuh-bet-ik suhb-sti-too-shuhn, ‐-tyoo-shuhn, pol-ee- ]
noun
, Cryptography.
- a system of substitution that mixes together a number of cipher alphabets in a cryptogram so that each plaintext letter is represented by a cipher that repeatedly changes.
Discover More
Word History and Origins
Origin of polyalphabetic substitution1
1935–40; poly- + alphabetic ( def )
Advertisement
Advertisement
Advertisement
Advertisement
Browse