Resolution Adaptative Network for Cryptanalysis of Asymmetric Cryptosystems

Cryptanalysis of Hybrid Cryptosystems

Cryptanalysis of the Square Cryptosystems

Following the cryptanalyses of the encryption scheme HFE and of the signature scheme SFLASH, no serious alternative multivariate cryptosystems remained, except maybe the signature schemes UOV and HFE−−. Recently, two proposals have been made to build highly efficient multivariate cryptosystems around a quadratic internal transformation: the first one is a signature scheme called square-vinegar ...

Asymmetric Cryptosystems

Throughout the history of cryptography, hundreds of cryptosystems have been developed. The earliest ones, as well as many later ones, relied on the complete secrecy in transferring keys between the sender and recipient. These kinds of systems, called secret key cryptosystem, have just a single key which is used for both encryption and decryption; therefore, these systems are more frequently kno...

Cryptanalysis of RSA-type cryptosystems: A visit

This paper surveys RSA-type implementations based on Lucas sequences and on elliptic curves. The main focus is the way how some known attacks on RSA were extended to LUC, KMOV and Demytko’s system. It also gives some directions for the choice of the most appropriate RSA-type system for a given application.

Cryptanalysis of two knapsack public-key cryptosystems

In this paper, we cryptanalyze two knapsack cryptosystems. The first one is proposed by Hwang et al [4], which is based on a new permutation algorithm named Permutation Combination Algorithm. We show that this permutation algorithm is useless to the security of the cryptosystem. Because of the special super increasing structure, we can break this cryptosystem use the method provided by Shamir a...