The Affine cipher is a monoalphabetic substitution cipher that uses mathematical functions to encrypt and decrypt messages. In this cipher, each letter in the plaintext is first mapped to a number ...

Abstract-Cryptography is a means of using codes to protect information and communications so that only those who are supposed to read and process it; may do so. Knowledge of ciphers is said to have ...

Abstract: Digital image security aims to protect the image of the confidential access by parties that do not have the authority. Security on the research done by encrypting and decrypting digital ...

Abstract: Quantum Algorithms reduce the computational complexity or solve certain difficult problems that were originally impossible to solve with classical computers. Grover’s search algorithm is a ...