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The Alphabet Cipher
- "The Alphabet Cipher" was a brief study published by Lewis Carroll in 1868, describing how to use the alphabet to send encrypted codes. [ 1 ] It was one of four ciphers he invented between 1858 and 1868, and one of two polyalphabetic ciphers he devised during that period and used to write letters to his friends. [ 2 ]
en.wikipedia.org/wiki/The_Alphabet_Cipher
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"The Alphabet Cipher" was a brief study published by Lewis Carroll in 1868, describing how to use the alphabet to send encrypted codes. [ 1 ] . It was one of four ciphers he invented between 1858 and 1868, and one of two polyalphabetic ciphers he devised during that period and used to write letters to his friends. [ 2 ]
The two characters, Tom and Jan, in Garner’s novel, use Carroll's Alphabet Cipher when writing to each other in order to stop Tom’s mother from reading their letters. In the end papers of the published book, the final encoded letter from Tom to Jan is printed.
Lewis Carroll published The Alphabet-Cipher in 1868 as a pamphlet. It describes what is known as a Vigenère cipher, a well-known scheme in cryptography.
Nyctography is a form of substitution cipher writing created by Lewis Carroll (Charles Lutwidge Dodgson) in 1891. It is written with a nyctograph (a device invented by Carroll) and uses a system of dots and strokes all based on a dot placed in the upper left corner.
May 1, 2005 · The Memoria Technica cipher was his most literary cipher, but one that broke with secure ciphers. However, he used it in conjunction with his mathematical work more than any of his earlier cipher systems.
- Francine F. Abeles
- 2005
This facility demonstrates how the Alphabet Cipher works. Visit the Introduction page for a full description of the cipher.
"The Alphabet Cipher" was a brief study published by Lewis Carroll in 1868, describing how to use the alphabet to send encrypted codes. It was one of four ciphers he invented between 1858 and 1868, and one of two polyalphabetic ciphers he devised during that period and used to write letters to his friends.