2601 search results - page 404 / 521 » Secure Rewarding Schemes |
154
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ACNS
2005
Springer
15 years 8 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...
103
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CRYPTO
2005
Springer
15 years 8 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 ...
ICALP
2005
Springer
15 years 8 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...
121
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EUROPKI
2004
Springer
15 years 8 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...
136
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PODC
2003
ACM
15 years 8 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 ...