We study cryptosystems based on supersingular isogenies. This is an active area of
research in post-quantum cryptography. Our first contribution is to give a very powerful active …

NewHope is a suite of two efficient Ring-Learning-With-Error based key encapsulation
mechanisms (KEMs) that has been proposed to the NIST call for proposals for post-quantum …

Abstract Key Exchange (KE) from RLWE (Ring-Learning with Errors) is a potential
alternative to Diffie-Hellman (DH) in a post quantum setting. Key leakage with RLWE key …

We present the first fault attack on cryptosystems based on supersingular isogenies. During
the computation of the auxiliary points, the attack aims to change the base point to a random …

Abstract The Distorted Bounded Distance Decoding Problem (DBDD) was introduced by
Dachman-Soled et al.[Crypto'20] as an intermediate problem between LWE and unique-SVP …

We survey authenticated key exchange (AKE) in the context of supersingular isogeny Diffie-
Hellman key exchange (SIDH). We discuss different approaches to achieve authenticated …

We use the signal function from RLWE key exchange to derive an efficient zero knowledge
authentication protocol to validate an RLWE key $ p= as+ e $ with secret $ s $ and error $ e …

In this paper, we present a simple attack on LWE and Ring LWE encryption schemes used
directly as Key Encapsulation Mechanisms (KEMs). This attack could work due to the fact …

Abstract The National Institute of Standards and Technology (NIST) is working on the
standardization of post-quantum algorithms. In February 2019, NIST announced 26 …

A Note on the Static-Static Key Agreement Protocol from Supersingular Isogenies IACR Logo
Cryptology ePrint Archive Papers Updates from the last: 7 days 31 days 6 months 365 days …