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CTRSA
2007
Springer
111views Cryptology» more  CTRSA 2007»
14 years 2 months ago
A Practical and Tightly Secure Signature Scheme Without Hash Function
In 1999, two signature schemes based on the flexible RSA problem (a.k.a. strong RSA problem) were independently introduced: the Gennaro-Halevi-Rabin (GHR) signature scheme and the...
Benoît Chevallier-Mames, Marc Joye
INFORMATICALT
2006
177views more  INFORMATICALT 2006»
13 years 7 months ago
Cryptanalysis and Improvement of Practical Convertible Authenticated Encryption Schemes Using Self-Certified Public Keys
A convertible authenticated encryption scheme allows a specified recipient to recover and verify a message simultaneously. Moreover the recipient can prove the dishonesty of the se...
Zuhua Shao
IEEEIAS
2009
IEEE
13 years 5 months ago
On Security Notions for Verifiably Encrypted Signature
First we revisit three - BGLS, MBGLS and GZZ verifiably encrypted signature schemes [2, 3, 6]. We find that they are all not strong unforgeable.We remark that the notion of existen...
Xu An Wang, Xiaoyuan Yang, Qingquan Peng
ASIACRYPT
2001
Springer
14 years 10 days ago
How to Achieve a McEliece-Based Digital Signature Scheme
Abstract. McEliece is one of the oldest known public key cryptosystems. Though it was less widely studied than RSA, it is remarkable that all known attacks are still exponential. I...
Nicolas Courtois, Matthieu Finiasz, Nicolas Sendri...
IJNSEC
2008
98views more  IJNSEC 2008»
13 years 7 months ago
A New Type of Designated Confirmer Signatures for a Group of Individuals
A new concept of society-oriented designated confirmer signatures (SDCS) is introduced in this paper. SDCS is well suited to applications where the capability of the signer and th...
Baodian Wei, Fangguo Zhang, Xiaofeng Chen