A Server-Assisted Hash-Based Signature Scheme

Ahto Buldas; Risto Laanoja; Ahto Truu

Paper 2019/671 Original: eprint.iacr.org/2019/671 ↗

A Server-Assisted Hash-Based Signature Scheme

Ahto Buldas

Risto Laanoja

Ahto Truu

Abstract

We present a practical digital signature scheme built from a cryptographic hash function and a hash-then-publish digital time- stamping scheme. We also provide a simple proof of existential unforgeability against adaptive chosen-message attack (EUF-ACM) in the random oracle (RO) model.

Metadata

Available format(s): PDF
Category: Cryptographic protocols
Publication info: Preprint.
History: 2019-06-06: last updated; 2019-06-06: published
Short URL: https://ia.cr/2019/671
License: https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2019/671,
      author = {Ahto Buldas and Risto Laanoja and Ahto Truu},
      title = {A Server-Assisted Hash-Based Signature Scheme},
      howpublished = {Cryptology {ePrint} Archive, Paper 2019/671},
      year = {2019},
      url = {https://eprint.iacr.org/2019/671}
}