By using this framework, we can flexibly construct various UCPs according to different types of system requirements. We also give some instantiations: the first ...
A Generic Construction of Useful Client Puzzles. Rui Zhang. National Institute of Advanced. Industrial Science and. Technology (AIST), Japan [email protected].
By using this framework, we can flexibly construct various UCPs according to different types of system requirements. We also give some instantiations: the first ...
6 A Generic Client Puzzle Construction. In this section we provide a generic construction for a client puzzle which also repairs the flaw identified in the ...
The main contribution of this paper is a formal model for the security of client puzzles.We clarify the interface that client puzzles should offer and give two ...
subscript i from puzzle variables as convenient. The construction of a sub puzzle P[j] in a client puzzle P is depicted in Figure 1. x[j] y[j] h h. Server ...
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The main contribution of this paper is a formal model for the security of client puzzles.We clarify the interface that client puzzles should offer and give two ...
ABSTRACT. We explore new techniques for the use of cryptographic puz- zles as a countermeasure to Denial-of-Service (DoS) attacks.
The main contribution of this paper is a formal model for the security of client puzzles as a stepping stone towards solving the above problems. We clarify the ...
Can puzzle construction be improved? More to be done. – Replace hash with, e.g., reduced-round cipher. ◇ Can puzzles be made to do useful work? Page 33 ...
Missing: generic | Show results with:generic