Jan 5, 2004 · Using non-black-box techniques we are able to solve some problems in cryptography that were previously unsolved. In fact, some of these problems ...
The main theme of this thesis is that non-black-box techniques can indeed be more powerful than black-box techniques in several interesting contexts in ...
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In cryptography we typically prove the security of a scheme by reducing the task of breaking the scheme to some hard computational problem.
Motivated by theoretical and practical interest, the challenging task of designing crypto- graphic protocols having only black-box access to primitives has ...
Using non-black-box techniques we are able to solve some problems in cryptography that were previously unsolved. In fact, some of these problems were previously ...
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In cryptography we typically prove the security of a scheme by reducing the task of breaking the scheme to some hard computational problem.
Jan 6, 2004 · In the context of Computer Science, to use a program as a black-box means to use only its input/output relation by executing the program on ...
Before stating our theorems, we first discuss our assumptions. Assumptions are necessary for non-black-box separations assuming black-box reductions; to.
In cryptography we typically prove the security of a scheme by reducing the task of breaking the scheme to some hard computational problem.
The introduction of a non-black-box simulation technique by Barak (FOCS 2001) has been a major landmark in cryptography, breaking the previous barriers of black ...