[Resource Topic] 1997/001: A New Paradigm for Collision-free Hashing: Incrementality at Reduced Cost

Welcome to the resource topic for 1997/001

Title:
A New Paradigm for Collision-free Hashing: Incrementality at Reduced Cost

Authors: Mihir Bellare, Daniele Micciancio

Abstract:

We present a simple, new paradigm for the design of collision-free hash
functions. Any function emanating from this paradigm is incremental.
(This means that if a message x which I have previously hashed is modified to
x’ then rather than having to re-compute the hash of x’ from scratch, I
can quickly ``update’’ the old hash value to the new one, in time proportional
to the amount of modification made in x to get x’.) Also any function
emanating from this paradigm is parallelizable, useful for hardware
implementation.

ePrint: https://eprint.iacr.org/1997/001

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