361 search results - page 1 / 73 » Composition of Password-Based Protocols |
CSFW
2008
IEEE
13 years 11 months ago
2008
IEEE
We investigate the composition of protocols that share a common secret. This situation arises when users employ the same password on different services. More precisely we study w...
EUROCRYPT
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We propose and realize a definition of security for passwordbased key exchange within the framework of universally composable (UC) security, thus providing security guar...
ACNS
2006
Springer
13 years 10 months ago
2006
Springer
We propose a new password-based 3-party protocol with a formal security proof in the standard model. Under reasonable assumptions we show that our new protocol is more efficient t...
JCP
2007
13 years 4 months ago
2007
Abstract— Converting a secure group key agreement protocol into password-based setting is not a trivial task. The security of a password-based scheme hinges on preventing diction...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
This paper presents a secure constant-round password-based group key exchange protocol in the common reference string model. Our protocol is based on the group key exchange protoco...