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KnowledgeBase 00065: MD5 Message Digest

Last updated: 22 Jul 2016
Applies to: All versions
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This article was originally published as a Tip of the Week.

The MD5 Message Digest algorithm constructs a 128 bit hash value that can be used for non-reversable cryptography (e.g. passwords) or for data integrity checks. MD5 is a widely used industry standard.

The MD5() Function

QM provides an MD5() function that takes a character string argument and returns a 32 digit hexadecimal representation of the MD5 hash value. For compatibility with common usage of MD5, the hexadecimal value uses lowercase letters.

   DISPLAY MD5('Example message') 
The above QMBasic statement would display

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