3 papers
quant-ph2026
Authentication in Quantum Networks
Christopher Battarbee, Suchetana Goswami, Elham Kashefi +1
In this review, we survey the cryptographic task of authentication from the perspective of quantum communication. We review three main flavours of authentication that are often con…
math.GR2025
Hard Instances of Discrete Logarithm Problem and Cryptographic Applications
Christopher Battarbee, Arman Darbinyan, Delaram Kahrobaei
Let f be an arbitrary positive integer valued function. The goal of this note is to show that one can construct a finitely generated group in which the discrete log problem is poly…
cs.CR2025
Quantum-Safe Hybrid Key Exchanges with KEM-Based Authentication
Christopher Battarbee, Christoph Striecks, Ludovic Perret +2
Authenticated Key Exchange (AKE) between any two entities is one of the most important security protocols available for securing our digital networks and infrastructures. In PQCryp…