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ICALP
2005
Springer
15 years 7 months ago
Basing Cryptographic Protocols on Tamper-Evident Seals
Abstract. In this paper we attempt to formally study two very intuitive physical models: sealed envelopes and locked boxes, often used as illustrations for common cryptographic ope...
Tal Moran, Moni Naor
ACMICEC
2004
ACM
128views ECommerce» more  ACMICEC 2004»
15 years 7 months ago
Blind sales in electronic commerce
We start with the usual paradigm in electronic commerce: a consumer who wants to buy from a merchant. However, both parties wish to enjoy maximal privacy. In addition to remaining...
Esma Aïmeur, Gilles Brassard, Flavien Serge M...
CCS
2010
ACM
15 years 6 months ago
Controlling data disclosure in computational PIR protocols
Private Information Retrieval (PIR) protocols allow users to learn data items stored at a server which is not fully trusted, without disclosing to the server the particular data e...
Ning Shang, Gabriel Ghinita, Yongbin Zhou, Elisa B...
EUROCRYPT
2000
Springer
15 years 5 months ago
One-Way Trapdoor Permutations Are Sufficient for Non-trivial Single-Server Private Information Retrieval
We show that general one-way trapdoor permutations are sufficient to privately retrieve an entry from a database of size n with total communication complexity strictly less than n....
Eyal Kushilevitz, Rafail Ostrovsky
ESORICS
2010
Springer
15 years 3 months ago
On E-Vote Integrity in the Case of Malicious Voter Computers
Norway has started to implement e-voting (over the Internet, and by using voters' own computers) within the next few years. The vulnerability of voter's computers was ide...
Sven Heiberg, Helger Lipmaa, Filip van Laenen