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Re: Two AES encryption modes?



Hi , Russ
Yes , but what i am saying is CCM is using the NIST approved algorithms as 
basic building blocks

-thanks
-ramana
At 05:46 PM 7/26/02 -0400, Housley, Russ wrote:
>Ramana:
>
>NIST has not approved any combined modes yet.
>
>Russ
>
>
>At 02:15 PM 7/26/2002 -0700, Ramana Yarlagadda wrote:
>>Hi, Russ
>>
>>I have gone through your document. well but the question here is what is 
>>it IETF considering as combined mdoe algorithms.
>>
>>Like you said out of all the algorithms that i know CMM is is the only 
>>one which is not patented and the basical algorithms used in that are 
>>already approved by NIST. So i am trying to get more information before i 
>>consider this.
>>
>>-thanks
>>-ramana
>>At 04:41 PM 7/26/02 -0400, Housley, Russ wrote:
>>>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