From: Nicolas Pitre <nico@cam.org>
Date: Tue, 24 Apr 2007 02:44:30 GMT
Subject: Re: Why SHA are 40 bytes? (aka looking for flames)
Message-ID: <alpine.LFD.0.98.0704232236250.12375@xanadu.home>
In-Reply-To: <462D5370.8040905@zytor.com>

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