27 search results - page 4 / 6 » Extended Notions of Security for Multicast Public Key Crypto... |
ASIACRYPT
2005
Springer
13 years 11 months ago
2005
Springer
In this paper, we discuss non-interactive updating of decryption keys in identity-based encryption (IBE). IBE is a public key cryptosystem where a public key is an arbitrary strin...
PKC
2004
Springer
13 years 11 months ago
2004
Springer
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 ...
CRYPTO
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. We propose a way to establish peer-to-peer authenticated communications over an insecure channel by using an extra channel which can authenticate very short strings, e.g....
ISCI
2008
13 years 6 months ago
2008
In this paper, we present the first certificateless undeniable signature scheme. The scheme does not suffer from the key escrow problem, which is inherent in identity based crypto...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We introduce a primitive called Hierarchical Identity-Coupling Broadcast Encryption (HICBE) that can be used for constructing efficient collusion-resistant public-key broadcast enc...