121 search results - page 3 / 25 » Oblivious transfer with access control |
WINET
2002
13 years 7 months ago
2002
An integrated medium access control framework for a direct sequence code-division multiple access (CDMA) radio access to an asynchronous transfer mode (ATM) network is considered. ...
CCS
2011
ACM
12 years 7 months ago
2011
ACM
We extend Goldberg’s multi-server information-theoretic private information retrieval (PIR) with a suite of protocols for privacypreserving e-commerce. Our first protocol adds ...
ESORICS
2006
Springer
13 years 11 months ago
2006
Springer
User delegation is a mechanism for assigning access rights available to a user to another user. A delegation operation can either be a grant or transfer operation. Delegation for r...
PKC
2010
Springer
13 years 11 months ago
2010
Springer
In many practical settings, participants are willing to deviate from the protocol only if they remain undetected. Aumann and Lindell introduced a concept of covert adversaries to f...
PODC
2003
ACM
14 years 23 days 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 ...