Re: Two AES encryption modes?

["Housley, Russ" <rhousley@xxxxxxxxxxxxxxx>]

As one of its authors, I advocate CCM, which is unencumbered by 
patents.  There are other alternatives, but you need to be careful of their 
patent status.  You can find information about several choices at:
        http://csrc.nist.gov/encryption/modes/proposedmodes


Russ


At 12:54 PM 7/26/2002 -0700, Ramana Yarlagadda wrote:
> Hi, Russ
>
> Thanks for your reply. We are developing AISIC solutions for Security 
> applications and as part of this we implement Cryptographic algorithms in 
> the hardware.
>
> ESP v2 talks about the combined mode algorithms and couldn't get any 
> information about the algorithms that we must support for this.
>
> Can you throw some light on this.
>
> -cheers
> -ramana
> At 03:19 PM 7/26/02 -0400, Housley, Russ wrote:
> > Ramana:
> >
> > In a separate I-D, I plan to post a specification for using AES-CCM.
> >
> > For those that are interested, you can learn more about AES-CCM at
> > http://csrc.nist.gov/encryption/modes/proposedmodes/ccm/ccm.pdf.
> >
> > Russ
> >
> >
> > At 01:00 PM 7/24/2002 -0700, Ramana Yarlagadda wrote:
> > > Hi all
> > >
> > > What about the combined modes that AES support?
> > >
> > > -thanks
> > > -ramana