713 search results - page 117 / 143 » Dispersing Hash Functions |
ICALP
2009
Springer
15 years 10 months ago
2009
Springer
We present a randomized subexponential time, polynomial space parameterized algorithm for the k-Weighted Feedback Arc Set in Tournaments (k-FAST) problem. We also show that our alg...
HICSS
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, we propose a new user authentication (UA) scheme based on one-time password (OTP) protocol using smart cards for home networks. The proposed scheme is to authenti...
APNOMS
2007
Springer
15 years 3 months ago
2007
Springer
In this paper, we propose a new user authentication (UA) scheme based on one-time password (OTP) protocol for home networks. The proposed scheme is to authenticate home users ident...
PKC
2007
Springer
15 years 3 months ago
2007
Springer
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
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FSE
2003
Springer
15 years 2 months ago
2003
Springer
Until now in cryptography the term collision was mainly associated with the surjective mapping of different inputs to an equal output of a hash function. Previous collision attack...