A Revision of CROSS Security: Proofs and Attacks for Multi-Round Fiat-Shamir Signatures

Michele Battagliola; Riccardo Longo; Federico Pintore; Edoardo Signorini; Giovanni Tognolini

doi:10.69091/koine/vol-7-S10

DE CIFRIS KOINE

A Revision of CROSS Security: Proofs and Attacks for Multi-Round Fiat-Shamir Signatures

Michele Battagliola¹, Riccardo Longo², Federico Pintore³, Edoardo Signorini⁴, Giovanni Tognolini⁵

¹0000-0002-8269-2148, Marche Polytechnic University
²0000-0003-4621-8681, Fondazione Bruno Kessler
³0000-0002-7985-3131, University of Trento
⁴Telsy S.p.A.
⁵0009-0003-5762-8253, University of Trento

In CIFRIS25 ACTA.
From the book series De Cifris Koine.

https://doi.org/10.69091/koine/vol-7-S10
Published by De Cifris Press on September 2025

Download article (PDF), pp. 52-57

Cite this

@incollection{KOINE:BLPST2025,
  author = {Battagliola, M. and Longo, R. and Pintore, F. and Signorini, E. and Tognolini, G.},
  title = {A Revision of CROSS Security: Proofs and Attacks for Multi-Round Fiat-Shamir Signatures},
  booktitle = {CIFRIS25 ACTA},
  year = {2025},
  month = {September},
  publisher = {De Cifris Press},
  series = {De Cifris Koine},
  pages = {52--57},
  volume = {7},
  url = {https://doi.org/10.69091/koine/vol-7-S10},
  DOI = {10.69091/koine/vol-7-S10},
  ISSN = {3034-9796},
  ISBN = {979-12-81863-06-4},
  note = {Michele Battagliola, 0000-0002-8269-2148; Riccardo Longo, 0000-0003-4621-8681; Federico Pintore, 0000-0002-7985-3131; Edoardo Signorini; Giovanni Tognolini, 0009-0003-5762-8253}
}