Time capsule signature : Efficient and provably secure constructions

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

1 Scopus Citations
View graph of relations

Author(s)

  • Bessie C. Hu
  • Duncan S. Wong
  • Qiong Huang
  • Guomin Yang
  • Xiaotie Deng

Related Research Unit(s)

Detail(s)

Original languageEnglish
Title of host publicationPublic Key Infrastructure - 4th European PKI Workshop
Subtitle of host publicationTheory and Practice, EuroPKl 2007, Proceedings
PublisherSpringer Verlag
Pages126-142
Volume4582 LNCS
ISBN (Print)9783540734079
Publication statusPublished - 2007

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4582 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Title2007 European Public Key Infrastructure Workshop: Theory and Practice, EuroPKI 2007
PlaceSpain
CityPalma de Mallorca
Period28 - 30 June 2007

Abstract

Time Capsule Signature, first formalized by Dodis and Yum in Financial Cryptography 2005, is a digital signature scheme which allows a signature to bear a (future) time t so that the signature will only be valid at time t or later, when a trusted third party called time server releases time-dependent information for checking the validity of a time capsule signature. Also, the actual signer of a time capsule signature has the privilege to make the signature valid before time t. In this paper, we provide a new security model of time capsule signature such that time server is not required to be fully trusted. Moreover, we provide two efficient constructions in random oracle model and standard model. Our improved security model and proven secure constructions have the potential to build some new E-Commerce applications. © Springer-Verlag Berlin Heidelberg 2007.

Research Area(s)

  • Time capsule signature

Citation Format(s)

Time capsule signature: Efficient and provably secure constructions. / Hu, Bessie C.; Wong, Duncan S.; Huang, Qiong et al.
Public Key Infrastructure - 4th European PKI Workshop: Theory and Practice, EuroPKl 2007, Proceedings. Vol. 4582 LNCS Springer Verlag, 2007. p. 126-142 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4582 LNCS).

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review