Re: [Exim] hmac comment from the exim manual

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Author: Philip Hazel
Date:  
To: Richard Welty
CC: exim-users
Subject: Re: [Exim] hmac comment from the exim manual
On Thu, 31 Jul 2003, Richard Welty wrote:

> i'd like to propose a more accurate phrasing for the last sentence:
>
> This differs from ${md5:secret_text...} or ${sha1:secret_text...} in that
> the hmac step adds a signature to the crypographic hash, allowing for
> authentication that is not possible with md5 or sha1 alone.


Thanks, Richard. That explains it much better (both the code and text
were originally user contributions).

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book