ISO/IEC-10118-4 › Information technology - Security techniques - Hash-functions - Part 4: Hash-functions using modular arithmetic

ISO/IEC-10118-4 - 1ST EDITION - CURRENT -- See the following: ISO/IEC-10118-4-AM1


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 1ST EDITION - Dec. 15, 1998
 1ST EDITION CORRIGENDUM 1 - July 15, 2014
 FOR 1ST EDITION AMENDMENT 1 SEE - Nov. 15, 2014

This part of ISO/IEC 10118 specifies two hash-functions which make use of modular arithmetic. These hash-functions, which are believed to be collision-resistant, compress messages of arbitrary but limited length to a hash-code whose length is determined by the length of the prime number used in the reduction-function defined in 7.3. Thus, the hash-code is easily scaled to the input length of any mechanism (e.g., signature algorithm, identification scheme).

The hash-functions specified in this part of ISO/IEC 10118, known as MASH-1 and MASH-2 (Modular Arithmetic Secure Hash) are particularly suitable for environments in which implementations of modular arithmetic of sufficient length are already available. The two hash-functions differ only in the exponent used in the round-function.

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35.030 (IT Security Including encryption)

35.040 (Character sets and information coding Including coding of audio, picture, multimedia and hypermedia information, IT security techniques, encryption, bar coding, electronic signatures, etc.)

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Document Number

ISO/IEC 10118-4:1998

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 15, 1998

Committee Number

ISO/IEC JTC 1/SC 27/WG 2