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A cryptographic hash function is a deterministic procedure that compresses an arbitrary block of numerical data and returns a fixed-size bit string. There exists many hash functions: MD5, HAVAL, SHA, ... It was reported that these hash functions are no longer secure. Our work is focused on 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.
Source : ScholeXplorer
IsRelatedTo DOI 10.1007/978-0-8176-4842-8_17 Source : ScholeXplorer IsRelatedTo DOI 10.2140/pjm.1957.7.1073
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