2601 search results - page 404 / 521 » Secure Rewarding Schemes |
192
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ACNS
2005
Springer
15 years 12 months ago
2005
Springer
We consider the following problem: a user U wants to store his files in an encrypted form on a remote file server S. Later the user U wants to efficiently retrieve some of the en...
156
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CRYPTO
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. Assuming an insecure quantum channel and an authenticated classical channel, we propose an unconditionally secure scheme for encrypting classical messages under a shared ...
136
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ICALP
2005
Springer
15 years 12 months ago
2005
Springer
We present a new primitive—Append-only Signatures (AOS)—with the property that any party given an AOS signature Sig[M1] on message M1 can compute Sig[M1 M2] for any message M2...
156
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EUROPKI
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. At present, network users have to manage a set of authentication credentials (usually a username/password pair) for every service with which they are registered. Single S...
163
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PODC
2003
ACM
15 years 11 months ago
2003
ACM
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...