This project aims to build a machine learning based classifier to distinguish between various classical ciphers. Classical ciphers are historical encryption techniques that perform simple substitution ...
A cipher is a procedure that defines how to transform plaintext into ciphertext. Cracking a cipher is the task of reverse-engineering a given ciphertext to recover the plaintext without knowledge of ...
Abstract: This paper studies the security of a recently-proposed 3D chaotic self-synchronization stream cipher. According to the chosen-ciphertext attack, a single key decipher algorithm is further ...
Abstract: A ciphertext mapping method based on Gray code is proposed to improve the security of quantum noise stream cipher (QNSC). The experiment is conducted in 1024 × 1024 -quadrature amplitude ...
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