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A transposition cipher invented 1918 by Fritz Nebel, used a 36 letter alphabet and a modified Polybius square with a single columnar transposition.
- A . ADFVGX Cipher
B. ROT13 Cipher
C. Book Ciphers
D. Cipher Disk
Suggested Answer: A
Explanation:
ADFVGX Cipher
https://en.wikipedia.org/wiki/ADFGVX_cipher
ADFGVX cipher was a field cipher used by the German Army on the Western Front during World War I. ADFGVX was in fact an extension of an earlier cipher called ADFGX. Invented by Lieutenant Fritz Nebel (1891C1977) and introduced in March 1918, the cipher was a fractionating transposition cipher which combined a modified Polybius square with a single columnar transposition.
Explanation:
ADFVGX Cipher
https://en.wikipedia.org/wiki/ADFGVX_cipher
ADFGVX cipher was a field cipher used by the German Army on the Western Front during World War I. ADFGVX was in fact an extension of an earlier cipher called ADFGX. Invented by Lieutenant Fritz Nebel (1891C1977) and introduced in March 1918, the cipher was a fractionating transposition cipher which combined a modified Polybius square with a single columnar transposition.
Posted : 22/01/2023 9:32 pm