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Re: Linux Kernel Summit

From: Eric S. Raymond <esr_at_thyrsus.com>
Date: 2001-04-02 20:47:54 CEST

Greg Hudson <ghudson@MIT.EDU>:
> The terms [hash and checksum] are used interchangeably as far as I
> know. If there is a difference, it would relate to the use of such
> algorithms in authentication systems, which isn't what we're doing.
> For our purposes, MD5 makes a perfectly good checksum algorithm.

A checksum is a way of using a hash function -- the latter labels what
you're doing, the former why you're doing it.

MD5 is indeed a perfectly good checksum algorithm -- in fact, the
properties that make it good for crypto are exactly those that make it
good for detecting data corruption.

		Eric S. Raymond
The end move in politics is always to pick up a gun.
	-- R. Buckminster Fuller
Received on Sat Oct 21 14:36:27 2006

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