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221
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ACISP
2005
Springer
16 years 13 days ago
2005
Springer
A blind signature scheme is a protocol for obtaining a digital signature from a signer, but the signer can neither learn the messages he/she sign nor the signatures the recipients ...
202
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ACNS
2005
Springer
16 years 13 days 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...
205
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CCS
2005
ACM
16 years 13 days ago
2005
ACM
This paper provides a formal framework for the analysis of information hiding properties of anonymous communication protocols in terms of epistemic logic. The key ingredient is ou...
147
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ICALP
2005
Springer
16 years 12 days 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...
171
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PODC
2003
ACM
16 years 4 days 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 ...