Paper 2016/1147 Original: eprint.iacr.org/2016/1147 ↗

Cryptanalysis of a certificateless aggregate signature scheme

Nasrollah Pakniat
Mahnaz Noroozi
Abstract

Recently, Nie et al. proposed a certificateless aggregate signature scheme. In the standard security model considered in certificateless cryptography, we are dealing with two types of adversaries. In this paper, we show that Nie et al.'s scheme is insecure against the adversary of the first type. In other words, although they claimed that their proposed scheme is existentially unforgeable against adaptive chosen message attack considering the adversaries in certificateless settings, we prove that such a forgery can be done.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Preprint.
History
2016-12-21: last updated
2016-12-21: published
Short URL
https://ia.cr/2016/1147
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2016/1147,
      author = {Nasrollah Pakniat and Mahnaz Noroozi},
      title = {Cryptanalysis of a certificateless aggregate signature scheme},
      howpublished = {Cryptology {ePrint} Archive, Paper 2016/1147},
      year = {2016},
      url = {https://eprint.iacr.org/2016/1147}
}
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