Re: [Chicken-users] Amazon S3

[F. Wittenberger]

find attached some code of mine using openssl for that hashes and hmacs

Am Donnerstag, den 10.02.2011, 09:12 +0100 schrieb Peter Bex:
> On Wed, Feb 09, 2011 at 07:17:23PM -0500, Thomas Hintz wrote:
> > Hello,
> > 
> > Has anyone used Amazon S3 with Chicken? I can't seem to find any libs built
> > for handling the request authentication, particularly the HMAC-SHA1
> > signature... I really don't want to develop something that has been already
> > built. If anyone can give me any pointers or knows of an easy way to
> > accomplish this, please let me know.
> 
> There's an sha-1 egg and HMAC isn't that hard to calculate. I've rolled
> my own quick&dirty sha-256 HMAC once before; the code for that is part
> of this snippet: http://wiki.call-cc.org/drupal-xml-rpc
> 
> Maybe someone (you? me?) ought to make an hmac egg which can accept
> arbitrary message-digest objects.  This would make it trivial to get
> HMAC for any type of hash algorithm.
> 
> Cheers,
> Peter

openssl.scm
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