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Date:      Thu, 29 Jan 2004 07:05:47 +0100
From:      Marc van Woerkom <marc.vanwoerkom@fernuni-hagen.de>
To:        ports@freebsd.org
Subject:   SIZE criterion in distinfo
Message-ID:  <opr2iwjx1mdmv4ke@mailstore.fernuni-hagen.de>

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Hi porters,

I just see there is a new criterion in distinfo:

   root@oranje# cat distinfo
   MD5 (xcdplayer-2.2.tar.Z) = d5d1d86abc4a0f5e2ea99a40ee63f98d
   SIZE (xcdplayer-2.2.tar.Z) = 89435

May I ask the rationale behind adding SIZE?

According to

   http://www.faqs.org/rfcs/rfc1321.html

("3.2 Step 2. Append Length") the size of the input data
is used in the calculation of the MD5 hash.

In other words, if a fetched file has a different file length,
than the original file, it will for sure have a different MD5
hash.

So what is the benefit to have that SIZE checked?

Regards,
Marc



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