324 search results - page 20 / 65 » A new signature scheme without random oracles |
ATC
2007
Springer
14 years 1 months ago
2007
Springer
A proxy signature scheme allows an entity to delegate its signing capability to another entity (proxy) in such a way that the proxy can sign messages on behalf of the delegator. Pr...
CISC
2009
Springer
13 years 5 months ago
2009
Springer
Abstract. Certificateless cryptography introduced by Al-Riyami and Paterson eliminates the key escrow problem inherent in identity based cryptosystems. Even though building practic...
ICALP
2005
Springer
14 years 28 days ago
2005
Springer
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...
ASIACRYPT
2003
Springer
14 years 19 days ago
2003
Springer
This paper investigates some modular powering functions suitable for cryptography. It is well known that the Rabin encryption function is a 4-to-1 mapping and breaking its one-wayn...
CRYPTO
2001
Springer
13 years 12 months ago
2001
Springer
d Abstract) Philip MacKenzie and Michael K. Reiter Bell Labs, Lucent Technologies, Murray Hill, NJ, USA We describe a means of sharing the DSA signature function, so that two parti...