Items for "homomorphic cryptosystem"

Cryptanalysis of a homomorphic public-key cryptosystem over a finite group

The paper cryptanalyses a public-key cryptosystem recently proposed by Grigoriev and Ponomarenko, which encrypts an element from a fixed finite group defined in terms of generators and relations to produce a ciphertext from ...

Keywords: Cryptanalysis, homomorphic cryptosystem, combinatorial group theory