Collision-resistant hash function based on composition of functions

Details Collision-resistant hash function based on composition of functions Collision-resistant hash function based on composition of functions

2011-08-06

arxiv.org/abs/1108.1478v2

ARIMA, Vol. 14 - pp. 167-183, 2011

Computer Science

Cryptography and Security

18 pages, 1 figure. The preliminary version of this paper was published in the Conference CARI'10, pages 141-148, Yamoussoukro

Scientific paper

cryptographic hash function is a deterministic procedure that compresses an arbitrary block of numerical data and returns a fixed-size bit string. There exist many hash functions: MD5, HAVAL, SHA, ... It was reported that these hash functions are not longer secure. Our work is focused in the construction of a new hash function based on composition of functions. The construction used the NP-completeness of Three-dimensional contingency tables and the relaxation of the constraint that a hash function should also be a compression function.

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