This is a simple implementation of the Caesar Cipher encryption and decryption algorithm in Python and C++. The Caesar Cipher is a monoalphabetic substitution cipher that uses a fixed shift value to ...

Introduction: A revolutionary cipher -- Cryptology before 1500: a bit of magic -- The black chambers: 1500-1776 -- Crypto goes to war: the American Revolution -- Crypto goes to war: the American Civil ...

The Soviet VIC cipher used in the early 1950s, long known for being complex and secure, may not be as impossible to crack as initially assumed. According to a recent article cracking the infamous ...

Substitution ciphers are cryptographic techniques that involve replacing plaintext characters with ciphertext characters based on a defined system or key. There are several methods of substitution ...

Abstract: Recently, the growing numbers of cryptosystems based on chaos have been proposed; many of them have good statistical properties and security but low efficiency. To increase operating ...

Abstract: Nowadays security becomes an important feature with the growth of electronic communication systems. In this paper, we study the security problem and present a proposed triple hill cipher ...