278 search results - page 41 / 56 » Variants of Spreading Messages |
120
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EUROCRYPT
2007
Springer
15 years 8 months 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 ...
105
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ICDCSW
2005
IEEE
15 years 7 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...
145
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ACISP
2005
Springer
15 years 7 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 ...
116
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NDSS
2003
IEEE
15 years 7 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...
137
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ACNS
2003
Springer
15 years 7 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...