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» On the validity of digital signatures
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ACNS
2003
Springer
131views Cryptology» more  ACNS 2003»
13 years 10 months ago
On the Security of Two Threshold Signature Schemes with Traceable Signers
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
Guilin Wang, Xiaoxi Han, Bo Zhu
ISW
1999
Springer
13 years 9 months ago
Cryptanalysis of Two Group Signature Schemes
Abstract. Group signature schemes allow a group member to anonymously sign on group’s behalf. Moreover, in case of anonymity misuse, a group authority can recover the issuer of a...
Marc Joye, Seungjoo Kim, Narn-Yih Lee
COMPSEC
2004
95views more  COMPSEC 2004»
13 years 5 months ago
Cumulative notarization for long-term preservation of digital signatures
The long-term preservation of digitally signed documents may be approached and analyzed from various perspectives, i.e. future data readability, signature validity, storage media ...
Dimitrios Lekkas, Dimitris Gritzalis
ACNS
2009
Springer
121views Cryptology» more  ACNS 2009»
13 years 9 months ago
Efficient Deniable Authentication for Signatures
Releasing a classical digital signature faces to privacy issues. Indeed, there are cases where the prover needs to authenticate some data without making it possible for any malicio...
Jean Monnerat, Sylvain Pasini, Serge Vaudenay
EUROPKI
2007
Springer
13 years 9 months ago
Time Capsule Signature: Efficient and Provably Secure Constructions
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 t...
Bessie C. Hu, Duncan S. Wong, Qiong Huang, Guomin ...