Cryptanalysis. Kyle Johnson. Cryptology. Comprised of both Cryptography and Cryptanalysis Cryptography - which is the practice and study of techniques for secure communication in the presence of third parties
Scytale(rhymes with Italy)
Ancient Greek device used to implement a cipher.
Vigenere square used for the Vigenere Cipher.
“XZJZ WI RN ZDCQLSZ MO R OJZKGZNYB RNRSBIWI”
“XEJE WI RN EDCQLSE MO R OJEKGENYB RNRSBIWI”
Decrypted: “HERE IS AN EXAMPLE OF A FREQUENCY ANALYSIS”
Encrypted: “XZJZ WI RN ZDCQLSZ MO R OJZKGZNYB RNRSBIWI”