Cryptoanalysis of a key exchange protocol based on a congruence-simple semiring action. - Álvaro Otero Sánchez; Juan Antonio López-Ramos (CoRR, 2024)

On the solutions of linear systems over additively idempotent semirings. - Álvaro Otero Sánchez; Daniel Camazón; Juan Antonio López Ramos (CoRR, 2024)

A generalization of Burmester-Desmedt GKE based on a non-abelian finite group action. - Daniel Camazón Portela; Álvaro Otero Sánchez; Juan Antonio López Ramos (CoRR, 2024)

Cryptoanalysis of a tropical triad matrix semiring key exchange protocol. - Álvaro Otero Sánchez (CoRR, 2025)

Cryptoanalysis of a public key exchange based on circulant matrix over digital semiring. - Álvaro Otero Sánchez (CoRR, 2025)

Key exchange protocol based on circulant matrix action over congruence-simple semiring. - Álvaro Otero Sánchez (CoRR, 2025)