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- ArticleJanuary 2023
SIDH Proof of Knowledge
AbstractWe show that the soundness proof for the De Feo–Jao–Plût identification scheme (the basis for supersingular isogeny Diffie–Hellman (SIDH) signatures) contains an invalid assumption, and we provide a counterexample for this assumption—thus showing ...
- ArticleSeptember 2022
Post-Quantum Signal Key Agreement from SIDH
AbstractIn the effort to transition cryptographic primitives and protocols to quantum-resistant alternatives, an interesting and useful challenge is found in the Signal protocol. The initial key agreement component of this protocol, called X3DH, has so ...