Welcome to the resource topic for 2017/1259
Title:
Cryptanalysis of HK17
Authors: Haoyu Li, Renzhang Liu, Yanbin Pan, Tianyuan Xie
Abstract:Very recently, a key exchange scheme called HK17 was submitted to NIST as a candidate of the standard of post-quantum cryptography. The HK17 scheme employs some hypercomplex numbers as the basic objects, such as quaternions and octonions. In this paper, we show that HK17 is insecure since a passive adversary can recover the shared key in polynomial time.
ePrint: https://eprint.iacr.org/2017/1259
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