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Paper 2019/671

A Server-Assisted Hash-Based Signature Scheme

Ahto Buldas and Risto Laanoja and 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
Published elsewhere. NordSec 2017
DOI
10.1007/978-3-319-70290-2_1
Keywords
digital signatureshash functionspublic-key cryptography
Contact author(s)
ahto truu @ guardtime com
History
2019-06-06: received
Short URL
https://ia.cr/2019/671
License
Creative Commons Attribution
CC BY
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