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237
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ASIACRYPT
2004
Springer
16 years 4 days ago
2004
Springer
We propose a public-key traitor tracing scheme in which (1) the size of a ciphertext is sublinear in the number of receivers and (2) black-box tracing is efficiently achieved again...
141
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ASIACRYPT
2004
Springer
16 years 4 days ago
2004
Springer
d abstract) Bartosz Przydatek1 and Reto Strobl2 1 Department of Computer Science, ETH Z¨urich, Switzerland 2 IBM Research, Zurich Research Laboratory, Switzerland In this paper, w...
177
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ASIACRYPT
2004
Springer
16 years 4 days ago
2004
Springer
We study the class of masking based domain extenders for UOWHFs. Our first contribution is to show that any correct masking based domain extender for UOWHF which invokes the compr...
157
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ASIACRYPT
2004
Springer
16 years 4 days ago
2004
Springer
Abstract. We consider the problem of increasing the threshold parameter of a secret-sharing scheme after the setup (share distribution) phase, without further communication between...
206
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ASIACRYPT
2004
Springer
16 years 4 days ago
2004
Springer
We investigate efficient protocols for password-authenticated key exchange based on the RSA public-key cryptosystem. To date, most of the published protocols for password-authentic...