Since ancient times, message encryption has sparked interest, particularly in the military sphere, ranging from the simple Caesar cipher to the German Enigma machine. As the number and complexity of ...

The Caesar Cipher was named after Julius Caesar (100 B.C. – 44 B.C.), who used it for secret military communication. The Caesar Cipher is a substitution cipher. Julius Caesar originally used a shift ...

Transposition Ciphers shift the position of plaintext characters based on a system with no character substitutions. A type of transposition cipher is the Columnar Transposition Cipher. In this system, ...

Public key cryptography seems magical to everyone, even those who understand it. In this post, I’m going to explain public key cryptography. Public Key Cryptography is based on asymmetric cryptography ...