100 search results - page 17 / 20 » Alice and Bob |
DCC
2006
IEEE
14 years 7 months ago
2006
IEEE
We describe a simple and novel cryptographic construction that we refer to as a fuzzy vault. A player Alice may place a secret value in a fuzzy vault and "lock" it using ...
ESORICS
2010
Springer
13 years 8 months ago
2010
Springer
Fair exchange is one of the most fundamental problems in secure distributed computation. Alice has something that Bob wants, and Bob has something that Alice wants. A fair exchang...
DRM
2003
Springer
14 years 25 days ago
2003
Springer
In PODC 2003, Park, Chong, Siegel and Ray [22] proposed an optimistic protocol for fair exchange, based on RSA signatures. We show that their protocol is totally breakable already...
STOC
2005
ACM
14 years 8 months ago
2005
ACM
Assume that Alice and Bob, given an authentic channel, have a protocol where they end up with a bit SA and SB, respectively, such that with probability 1+ 2 these bits are equal. ...
ICALP
2001
Springer
14 years 2 days ago
2001
Springer
Abstract. We present the first private information retrieval (PIR) scheme which is both, deterministically correct and has poly-logarithmic communication complexity. Our PIR proto...