743 search results - page 21 / 149 » Secure Signature Schemes based on Interactive Protocols |
DRM
2003
Springer
14 years 23 days ago
2003
Springer
In PODC 2003, Park, Chong, Siegel and Ray [22] proposed an optimistic protocol for fair exchange, based on RSA signatures. We show that their protocol is totally breakable already...
ICCSA
2005
Springer
14 years 1 months ago
2005
Springer
Recently, Nenadi´c et al. (2004) proposed the RSA-CEGD protocol for certified delivery of e-goods. This is a relatively complex scheme based on verifiable and recoverable encryp...
ICCSA
2005
Springer
14 years 1 months ago
2005
Springer
In resent years, Popescu proposed several group signature schemes based on the Okamoto-Shiraishi assumption in [8–11], and claimed his schemes are secure. However, this paper dem...
PKC
2001
Springer
13 years 12 months ago
2001
Springer
At ISW’99, Nishioka, Hanaoka and Imai proposed a digital signature scheme on ID-based key-sharing infrastructures. That signature scheme is claimed to be secure if the discrete l...
ACISP
2000
Springer
13 years 12 months ago
2000
Springer
We present a new identification scheme which is based on Legendre symbols modulo a certain hidden prime and which is naturally suited for low power, low memory applications. 1 Ove...