324 search results - page 30 / 65 » A new signature scheme without random oracles |
CCS
2008
ACM
13 years 10 months ago
2008
ACM
In 1998, Blaze, Bleumer, and Strauss suggested a cryptographic primitive termed proxy re-signature in which a proxy transforms a signature computed under Alice's secret key in...
IJNSEC
2006
13 years 8 months ago
2006
It has always been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)based cryptosystems. Unfortunately, none of the previou...
INDOCRYPT
2004
Springer
14 years 1 months ago
2004
Springer
ID-based public key systems allow the user to use his/her identity as the public key, which can simplify key management procedure compared with CA-based public key systems. However...
IJNSEC
2007
13 years 8 months ago
2007
In 2001, Rivest et al. rstly introduced the concept of ring signatures. A ring signature is a simpli ed group signature without any manager. It protects the anonymity of a signer....
TCC
2012
Springer
12 years 4 months ago
2012
Springer
The hash-and-sign RSA signature is one of the most elegant and well known signatures schemes, extensively used in a wide variety of cryptographic applications. Unfortunately, the o...