[FFmpeg-devel] gnome-opw 2015

Nikita Mantri nikita.mantri21 at gmail.com
Mon Oct 13 22:07:32 CEST 2014


Hi,
For the generic CMAC module, can I reuse the code of md5 and sha from
libavutil, or should I implement this hash function again.

Thanks,
Nikita Mantri

On 13 October 2014 05:49, Michael Niedermayer <michaelni at gmx.at> wrote:

> On Mon, Oct 13, 2014 at 05:43:28AM +0530, Nikita Mantri wrote:
> > Hi,
> > Should I start implementing the AES-CMAC algorithm if it is acceptable to
> > you?
>
> yes, generic CMAC code + AES support
>
>
> >
> > Thanks,
> > Nikita Mantri
> >
> > On 13 October 2014 04:56, Michael Niedermayer <michaelni at gmx.at> wrote:
> >
> > > On Sun, Oct 12, 2014 at 08:28:47PM +0200, Giorgio Vazzana wrote:
> > > > Hello Nikita,
> > > >
> > > > we already have a HMAC module in libavutil, so you could try to
> > > > implement "The AES-CMAC Algorithm", RFC 4493.
> > > >
> > > > Michael, would this be acceptable for you?
> > >
> > > yes but it should be generic like our hmac code, aes should not be
> > > hardcoded
> > >
> > > [...]
> > > --
> > > Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
> > >
> > > In fact, the RIAA has been known to suggest that students drop out
> > > of college or go to community college in order to be able to afford
> > > settlements. -- The RIAA
> > >
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>
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> You can kill me, but you cannot change the truth.
>
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