1190 search results - page 186 / 238 » Secure off-the-record messaging |
ENTCS
2006
13 years 11 months ago
2006
There are two main ways of defining secrecy of cryptographic protocols. The first version checks if the adversary can learn the value of a secret parameter. In the second version,...
IJNSEC
2008
13 years 11 months ago
2008
In 2005, Lee, Kim, and Yoo proposed a nonce-based mutual authentication scheme using smart cards. However, this paper demonstrates that Lee-Kim-Yoo's scheme is vulnerable to ...
IJNSEC
2006
13 years 11 months ago
2006
An identity-based signcryption scheme with (t, n) shared unsigncryption is proposed, which is the integration of the signcryption scheme, the (t, n) threshold scheme and zero know...
IJNSEC
2006
13 years 11 months ago
2006
In current proxy signature schemes, an original signer delegates her signing capability to a proxy signer, and then the proxy signer can sign messages on behalf of the original si...
IJSN
2006
13 years 11 months ago
2006
In this paper, we propose a new signature scheme that is existentially unforgeable under a chosen message attack without random oracle. The security of our scheme depends on a new ...