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CRYPTO
2004
Springer
15 years 3 months ago
2004
Springer
A timestamping scheme is non-interactive if a stamper can stamp a document without communicating with any other player. The only communication done is at validation time. Non-Inte...
EUROCRYPT
2004
Springer
15 years 3 months ago
2004
Springer
We study the problem of searching on data that is encrypted using a public key system. Consider user Bob who sends email to user Alice encrypted under Alice’s public key. An ema...
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EUROCRYPT
2004
Springer
15 years 3 months ago
2004
Springer
Given two or more parties possessing large, confidential datasets, we consider the problem of securely computing the kth -ranked element of the union of the datasets, e.g. the med...
EUROCRYPT
2004
Springer
15 years 3 months ago
2004
Springer
Informally, a public-key steganography protocol allows two parties, who have never met or exchanged a secret, to send hidden messages over a public channel so that an adversary can...
EUROCRYPT
2004
Springer
15 years 3 months ago
2004
Springer
Textbooks tell us that a birthday attack on a hash function h with range size r requires r1/2 trials (hash computations) to find a collision. But this is quite misleading, being t...