2967 search results - page 277 / 594 » Cryptology |
173
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CRYPTO
2008
Springer
15 years 8 months ago
2008
Springer
In this work we study the design of secure protocols for linear algebra problems. All current solutions to the problem are either inefficient in terms of communication complexity o...
177
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CTRSA
2008
Springer
15 years 8 months ago
2008
Springer
We develop new algorithmic and cryptographic techniques for authenticating the results of queries over databases that are outsourced to an untrusted responder. We depart from previ...
177
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CTRSA
2008
Springer
15 years 8 months ago
2008
Springer
We propose and investigate the notion of aggregate message authentication codes (MACs) which have the property that multiple MAC tags, computed by (possibly) different senders on ...
187
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EUROCRYPT
2008
Springer
15 years 8 months ago
2008
Springer
A shuffle of a set of ciphertexts is a new set of ciphertexts with the same plaintexts in permuted order. Shuffles of homomorphic encryptions are a key component in mix-nets, whic...
156
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EUROCRYPT
2008
Springer
15 years 8 months ago
2008
Springer
Abstract--We consider the use of threshold signatures in adhoc and dynamic groups such as MANETs ("mobile ad-hoc networks"). We first show that known threshold RSA signat...