876 search results - page 64 / 176 » Limits on the Usefulness of Random Oracles |
95
Voted
ICCSA
2007
Springer
15 years 6 months ago
2007
Springer
An encrypted email is sent from Bob to Alice. A gateway wants to check whether a certain keyword exists in an email or not for some reason (e.g. routing). Nevertheless Alice does n...
140
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ASIACRYPT
2004
Springer
15 years 4 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
89
Voted
CORR
2007
Springer
15 years 20 days ago
2007
Springer
Abstract. Identity-based encryption (IBE) schemes are usually used in multiplePKG environments — on the one hand, each administrative domain (e.g., a relatively small and close o...
124
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ISI
2002
Springer
15 years 11 days ago
2002
Springer
Dealing with large volumes of data, OLAP data cubes aggregated values are often spoiled by errors due to missing values in detailed data. This paper suggests to adjust aggregate an...
117
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JOC
2002
15 years 10 days ago
2002
We present a polynomial-time algorithm that provably recovers the signer's secret DSA key when a few bits of the random nonces k (used at each signature generation) are known ...