Reducing the key size of the SRP encryption scheme

Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 被引用数 (Scopus)

抄録

Multivariate Public Key Cryptography (MPKC) is one of the main candidates for secure communication in a post-quantum era. Recently, Yasuda and Sakurai proposed in [8] a new multivariate encryption scheme called SRP, which is very efficient and resists all known attacks against multivariate schemes. However, the key sizes of the scheme are quite large. In this paper we propose a new strategy to reduce the key size of the SRP scheme, which enables us to reduce the size of the public key by up to 54%. Furthermore, we can use the additional structure in the public key polynomials to speed up the encryption process of the scheme by up to 50%. We show by experiments that our modifications do not weaken the security of the scheme.

本文言語英語
ホスト出版物のタイトルInformation Security and Privacy - 21st Australasian Conference, ACISP 2016, Proceedings
編集者Joseph K. Liu, Ron Steinfeld
出版社Springer Verlag
ページ427-434
ページ数8
ISBN(印刷版)9783319403663
DOI
出版ステータス出版済み - 2016
イベント21st Australasian Conference on Information Security and Privacy, ACISP 2016 - Melbourne, オーストラリア
継続期間: 7 4 20167 6 2016

出版物シリーズ

名前Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
9723
ISSN(印刷版)0302-9743
ISSN(電子版)1611-3349

その他

その他21st Australasian Conference on Information Security and Privacy, ACISP 2016
国/地域オーストラリア
CityMelbourne
Period7/4/167/6/16

All Science Journal Classification (ASJC) codes

  • 理論的コンピュータサイエンス
  • コンピュータ サイエンス(全般)

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