278 search results - page 41 / 56 » Variants of Spreading Messages |
171
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EUROCRYPT
2007
Springer
16 years 5 days ago
2007
Springer
We study an adaptive variant of oblivious transfer in which a sender has N messages, of which a receiver can adaptively choose to receive k one-after-the-other, in such a way that ...
157
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ICDCSW
2005
IEEE
15 years 11 months ago
2005
IEEE
Sybil attack is a harmful threat to sensor networks, in which a malicious node illegally forges an unbounded number of identities to defeat redundancy mechanisms. Digital certifi...
205
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ACISP
2005
Springer
15 years 11 months 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 ...
163
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NDSS
2003
IEEE
15 years 11 months ago
2003
IEEE
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...
180
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ACNS
2003
Springer
15 years 11 months ago
2003
Springer
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...