78 search results - page 1 / 16 » (Convertible) Undeniable Signatures Without Random Oracles |
ICICS
2007
Springer
13 years 10 months ago
2007
Springer
We propose a convertible undeniable signature scheme without random oracles. Our construction is based on the Waters signatures proposed in Eurocrypt 2005. The security of our sche...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
In this paper, we propose a new approach for constructing selectively convertible undeniable signature schemes, and present two efficient schemes based on RSA. Our approach allows ...
CTRSA
2005
Springer
13 years 10 months ago
2005
Springer
Undeniable signatures were introduced in 1989 by Chaum and van Antwerpen to limit the self-authenticating property of digital signatures. An extended concept – the convertible un...
INDOCRYPT
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We introduce a new undeniable signature scheme which is existentially unforgeable and anonymous under chosen message attacks in the standard model. The scheme is an embed...
PKC
2007
Springer
13 years 10 months ago
2007
Springer
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...