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» Security Analysis of Several Group Signature Schemes
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TPDS
1998
94views more  TPDS 1998»
14 years 11 months ago
Access Control and Signatures via Quorum Secret Sharing
—We suggest a method of controlling the access to a secure database via quorum systems. A quorum system is a collection of sets (quorums) every two of which have a nonempty inter...
Moni Naor, Avishai Wool
ACISP
2009
Springer
15 years 6 months ago
Building Key-Private Public-Key Encryption Schemes
In the setting of identity-based encryption with multiple trusted authorities, TA anonymity formally models the inability of an adversary to distinguish two ciphertexts correspondi...
Kenneth G. Paterson, Sriramkrishnan Srinivasan
SCN
2004
Springer
123views Communications» more  SCN 2004»
15 years 5 months ago
On the Key Exposure Problem in Chameleon Hashes
Chameleon signatures were introduced by Krawczyk and Rabin, being non-interactive signature schemes that provide non-transferability. However, that first construction employs a c...
Giuseppe Ateniese, Breno de Medeiros
SP
2008
IEEE
195views Security Privacy» more  SP 2008»
15 years 6 months ago
Automated Formal Analysis of a Protocol for Secure File Sharing on Untrusted Storage
We study formal security properties of a state-of-the-art protocol for secure file sharing on untrusted storage, in the automatic protocol verifier ProVerif. As far as we know, ...
Bruno Blanchet, Avik Chaudhuri
ICICS
2005
Springer
15 years 5 months ago
Multi-Source Stream Authentication Framework in Case of Composite MPEG-4 Stream
Abstract. Multimedia community is moving from monolithic applications to more flexible and scalable integrated solutions. Stream authentication is more complex since a stream may ...
Tieyan Li, Huafei Zhu, Yongdong Wu