Abstract
We propose an efficient algorithm that hashes messages of arbitrary bit length into an 128 bit hash value. The algorithm is designed to make the production of a pair of colliding messages computationally infeasible. The algorithm performs a discrete Fourier transform and a polynomial recursion over a finite field. Each hash value in {0, 1}128 occurs with frequency at most 2−120. This hash function is an improved variant of the algorithm FFT-hash I presented in the rump session of CRYPTO’91.KeywordsHash FunctionDiscrete Fourier TransformFinal ConfigurationPrimitive RootPolynomial TransformationThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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