215 search results - page 2 / 43 » Efficient Identity-Based Signatures Secure in the Standard M... |
EUROCRYPT
2010
Springer
13 years 8 months ago
2010
Springer
We construct an efficient identity based encryption system based on the standard learning with errors (LWE) problem. Our security proof holds in the standard model. The key step in...
CRYPTO
2006
Springer
13 years 9 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
ICICS
2005
Springer
13 years 10 months ago
2005
Springer
The notion of concurrent signatures was recently introduced by Chen, Kudla and Paterson. In concurrent signature schemes, two entities can produce two signatures that are not bindi...
CTRSA
2007
Springer
13 years 7 months ago
2007
Springer
Abstract. Multi-signatures allow multiple signers to jointly authenticate a message using a single compact signature. Many applications however require the public keys of the signe...
ATC
2007
Springer
13 years 11 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...