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Affine Cipher Cryptography

Can anyone give me explanation about Affine Cipher Cryptography?

11/14/2018 3:14:02 AM

M. Ridhwan Sadikin

1 Answer

New Answer

+2

Its kinda like subtitution cipher, where the plain text are converted to its ascii/utf counterpart (or simply 1 to 26), then apply a mathematical formula to each numbers, and convert it back to letters. ex. plaintext: HALLO formula: 3x+1 to number: 8 1 12 12 15 apply formula: 25 4 37 37 45 mod 26: 25 4 11 11 19 ciphertext: Y D K K S