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'''MASH-1''' ('''Modular Arithmetic Secure Hash''') is a [[hash function]] based on [[modular arithmetic]].

== History ==
Despite many proposals, few hash functions based on modular arithmetic have withstood attack, and most that have tend to be relatively inefficient. MASH-1 evolved from a long line of related proposals successively broken and repaired.

== Standard ==
Committee Draft ISO/IEC 10118-4 (Nov 95)

== Description ==
MASH-1 involves use of an [[RSA (algorithm)|RSA]]-like modulus M, whose bitlength affects the security. M should be difficult to [[factorization|factor]], and for M of unknown factorization, the security is based in part on the difficulty of extracting modular roots. M also determines the block size for processing messages.

== MASH-2 ==
There is a new version of the algorithm called MASH-2 with a different exponent. The original <math>e=2</math> is replaced by <math>e=2^8+1</math>.

==Source==

[http://wikipedia.org/ http://wikipedia.org/]
[[Category:Cryptography]]

MASH-1 - Revision history

Admin: Created page with "'''MASH-1''' ('''Modular Arithmetic Secure Hash''') is a hash function based on modular arithmetic. == History == Despite many proposals, few hash functions based on..."