64 search results - page 13 / 13 » On the Selective Opening Security of Practical Public-Key En... |
CCS
2008
ACM
13 years 6 months ago
2008
ACM
We extend the Camenisch-Lysyanskaya anonymous credential system such that selective disclosure of attributes becomes highly efficient. The resulting system significantly improves ...
PODC
2003
ACM
13 years 10 months ago
2003
ACM
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...
IACR
2011
12 years 4 months ago
2011
We put forward a generalization of lossy trapdoor functions (LTFs). Namely, all-but-many lossy trapdoor functions (ABM-LTFs) are LTFs that are parametrized with tags. Each tag can...
MOBISEC
2009
Springer
13 years 11 months ago
2009
Springer
Spam is a dominant problem on email systems today. One of the reasons is the lack of infrastructure for security and trust. As Voice over IP (VoIP) communication becomes increasing...