From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Pitre <nico@cam.org>
Subject: Re: Why SHA are 40 bytes? (aka looking for flames)
Date: Mon, 23 Apr 2007 22:44:30 -0400 (EDT)
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Cc: Marco Costalba <mcostalba@gmail.com>,
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To: "H. Peter Anvin" <hpa@zytor.com>
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On Mon, 23 Apr 2007, H. Peter Anvin wrote:

> Nicolas Pitre wrote:
> > 
> > Object names aren't 40 bytes.  They are 20 bytes.
> > It  is their hex representation that takes 40 bytes.
> > 
> 
> Sure, but that's the way they're stored in *most* git objects, in particular
> in commit objects.

Commit objects aren't *most* objects.  They usually are blob and tree 
objects, and for the later the SHA1 references are stored as 20 byte 
binary.


Nicolas