[Haskell-cafe] AES on 32-bit system

Vincent Hanquez tab at snarc.org
Fri Feb 4 10:00:03 CET 2011


On Fri, Feb 04, 2011 at 08:00:24AM +0200, Michael Snoyman wrote:
> Hi everyone,
> 
> Does anyone else have trouble installing the AES package on a 32-bit
> system? My system at home installs it just fine, but my VPS chokes
> with the following error messages (plus a bunch of warnings):
> 
> cbits/ctr_inc.c:11:0:
>      error: 'uint_64t' undeclared (first use in this function)
> 
> cbits/ctr_inc.c:11:0:
>      error: (Each undeclared identifier is reported only once
> 
> cbits/ctr_inc.c:11:0:  error: for each function it appears in.)
> 
> cbits/ctr_inc.c:11:0:
>      error: 'ctr' undeclared (first use in this function)
> 
> cbits/ctr_inc.c:11:0:  error: expected expression before ')' token
> 
> It's actually for this very reason that I'm still maintaining the
> OpenSSL backend for http-enumerator: I think the tls package is stable
> enough now to be used in production environments (kudos to Vincent by
> the way). However, I can't use it in production if I can't build one
> of its dependencies. This bug is also preventing me from adding some
> nice features to http-enumerator, such as checking validity of SSL
> certificates.
> 
> Anyone have any thoughts?

Hi Michael,

well, Thomas DuBuisson and I talked about it couple of days ago, and i'm probably
going to incorporate AES into cryptocipher directly, so dropping the dependancy
problem.

I'm not a big fan of the C implementation, so i'll be looking into replacing it by
an implementation i made couple of years back (providing it's at least providing the
same level of performance), and adding support to AES-NI (although I've heard that
someone else might be working into that as well).

-- 
Vincent



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