On Tue, Nov 13, 2012, Albers, Thorsten wrote:

> Hi,
> 
> can anyone tell me when the TLS cipher suite
> TLS_ECDHE_ECDSA_WITH_AES_128_CCM will be supported by openssl? I have a
> request to implement this cipher suite in my embedded client TLS software.
> For this implementation it would be helpful to have a working TLS server.
> Maybe at least the needed algorithms are available in openssl so that I can
> make / extend my own TLS server implementation with them.
> 

All the algorithms are supported by OpenSSL 1.0.1 including AES-CCM. There is
a problem though...

> I could only find some draft versions of an RFC defining this TLS cipher
> suite. Is there a released version available that I just couldn't find?
> 

And that's the problem. AFAIK there are no official cipher suite numbers so
this can't be implemented at present.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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