In this thesis, we investigate a modification to the classical combiner method by introducing a (nonsecure) probabilistic randomization (LFSRs), then making those strings cryptographically secure by combining them with a nonlinear Boolean function called a combiner. Robust security, they may use a stream cipher, which is based on generating long strings of bits with linear feedback shift registers If communicating parties require speed of encryption more than incredibly Many different methods are available for encrypting andĭecrypting data, each with advantages and disadvantages. Abstract Cryptography forms the backbone of modern secure communication.
