Paper 2017/938

On the security of the WOTS-PRF signature scheme

Philip Lafrance and Alfred Menezes

Abstract

We identify a flaw in the security proof and a flaw in the concrete security analysis of the WOTS-PRF variant of the Winternitz one-time signature scheme, and discuss the implications to its concrete security.

Note: Revised edition, submitted to AMC

Metadata
Available format(s)
PDF
Publication info
Preprint. Minor revision.
Keywords
public-key cryptographydigital signaturesone-time signatureshash functions
Contact author(s)
philip lafrance92 @ gmail com
History
2018-08-28: last of 2 revisions
2017-09-27: received
See all versions
Short URL
https://ia.cr/2017/938
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2017/938,
      author = {Philip Lafrance and Alfred Menezes},
      title = {On the security of the WOTS-PRF signature scheme},
      howpublished = {Cryptology ePrint Archive, Paper 2017/938},
      year = {2017},
      note = {\url{https://eprint.iacr.org/2017/938}},
      url = {https://eprint.iacr.org/2017/938}
}
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