This project demonstrates the use of a genetic algorithm (GA) to decrypt a simple substitution cipher. The encryption maps each letter in the plaintext to a unique character in the ciphertext using a ...

A stream cipher is a type of algorithm that encrypts data by generating a continuous stream of random bits, called a keystream, and combining it with the plaintext using a bitwise operation, such ...

This paper treats the protection of images. We are dealing with the problem of image encryption and decryption. The encryption scheme is done by using the stream cipher system based on the nonlinear ...

Multi-Algorithm Cipher Tool A browser-based encryption and decryption tool that supports multiple classical and modern cipher techniques, offering users an interactive platform to experiment with and ...

A stream cipher is an encryption method that encrypts one bit or byte of plain text at a time using a keystream. A keystream is a sequence of bits or bytes that is generated by a key and an algorithm.

A proprietary algorithm developed by RSA Data Security, Inc., RC4 is a stream cipher. A stream cipher encrypts one byte at a time. The RC4 key size can range from 8 to 2048 bits. Note: The term cipher ...

In this paper, the authors used the stream cipher which is the best way with the algorithm Geffe generator with a specific length to encryption the information from plain text in the first compute.

Data Encryption and Decryption Using RSA Algorithm in a Network Environment. One of the principal challenges of resource sharing on data communication network is its security.

This paper treats the protection of images. We are dealing with the problem of image encryption and decryption. The encryption scheme is done by using the stream cipher system based on the nonlinear ...