Cryptanalysis of the MORE symmetric key fully homomorphic encryption scheme

Research output: Contribution to journalArticlepeer-review

Abstract

The fully homomorphic symmetric encryption scheme MORE encrypts random keys by conjugation with a random invertible matrix over an RSA modulus. We provide a known-ciphertext cryptanalysis recovering a linear dependence among any pair of encrypted keys.

Original languageEnglish
Pages (from-to)75-78
Number of pages4
JournalJournal of Mathematical Cryptology
Volume9
Issue number2
DOIs
StatePublished - 1 Jun 2015

Keywords

  • Fully homomorphic encryption
  • conjugacy problem
  • symmetric key cryptography

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computational Mathematics
  • Applied Mathematics

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