English

22-Step Collisions for SHA-2

Cryptography and Security 2008-03-11 v1

Abstract

In this note, we provide the first 22-step collisions for SHA-256 and SHA-512. Detailed technique of generating these collisions will be provided in the next revision of this note.

Cite

@article{arxiv.0803.1220,
  title  = {22-Step Collisions for SHA-2},
  author = {Somitra Kumar Sanadhya and Palash Sarkar},
  journal= {arXiv preprint arXiv:0803.1220},
  year   = {2008}
}
R2 v1 2026-06-21T10:19:48.533Z