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EUROPKI
2007
Springer
13 years 11 months ago
Time Capsule Signature: Efficient and Provably Secure Constructions
Time Capsule Signature, first formalized by Dodis and Yum in Financial Cryptography 2005, is a digital signature scheme which allows a signature to bear a (future) time t so that t...
Bessie C. Hu, Duncan S. Wong, Qiong Huang, Guomin ...
ATC
2007
Springer
14 years 1 months ago
Identity-Based Proxy Signature from Pairings
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...
Wei Wu, Yi Mu, Willy Susilo, Jennifer Seberry, Xin...
PKC
2004
Springer
106views Cryptology» more  PKC 2004»
14 years 22 days ago
On the Security of Multiple Encryption or CCA-security+CCA-security=CCA-security?
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
Rui Zhang 0002, Goichiro Hanaoka, Junji Shikata, H...
CCS
2010
ACM
14 years 2 months ago
Attribute-based signature and its applications
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
Jin Li, Man Ho Au, Willy Susilo, Dongqing Xie, Kui...
CRYPTO
2010
Springer
171views Cryptology» more  CRYPTO 2010»
13 years 8 months ago
Credential Authenticated Identification and Key Exchange
Secure two-party authentication and key exchange are fundamental problems. Traditionally, the parties authenticate each other by means of their identities, using a public-key infr...
Jan Camenisch, Nathalie Casati, Thomas Groß,...