RE: Which ECC curve is being used?

2012-12-18 Thread Salz, Rich
> If you haven't wrapped the OpenSSL struct(s) with your own and you want to > remember something(s) about an SSL connection, that's what > SSL_{set,get}_ex_data are for. Yes, thanks. I might do that if there's no other option, but a EC_get_NID seems a reasonable thing to want and, if I read S

RE: Which ECC curve is being used?

2012-12-17 Thread Dave Thompson
> From: owner-openssl-us...@openssl.org On Behalf Of Salz, Rich > Sent: Monday, 17 December, 2012 12:45 > Thanks for the detailed response, Dave. > > > As the authenticator you know your own cert already. As the > verifier you can get the cert and look at it. > > ... You should be able to know w

RE: Which ECC curve is being used?

2012-12-17 Thread Salz, Rich
Thanks for the detailed response, Dave. > As the authenticator you know your own cert already. As the verifier you can > get the cert and look at it. > ... You should be able to know what you configured. In general, yes. But in the context of a large proxy server fronting hundreds of servers an

RE: Which ECC curve is being used?

2012-12-16 Thread Dave Thompson
> From: owner-openssl-us...@openssl.org On Behalf Of Salz, Rich > Sent: Monday, 17 December, 2012 00:01 > >Can you be a bit more specific about what you mean by "being > used"? By default OpenSSL can use any built in ECC curve > though it can be limited in range by those of the peer. > To be mo

RE: Which ECC curve is being used?

2012-12-16 Thread Salz, Rich
>Can you be a bit more specific about what you mean by "being used"? By default >OpenSSL can use any built in ECC curve though it can be limited in range by >those of the peer. >Support for retrieving the curves used is very limited in released versions of >OpenSSL. This has been addressed in H

Re: Which ECC curve is being used?

2012-12-16 Thread Dr. Stephen Henson
On Tue, Dec 11, 2012, Salz, Rich wrote: > Can I determine which of the built-in ECC curves are being used, just by > looking at the SSL structure? Tnx. > Can you be a bit more specific about what you mean by "being used"? By default OpenSSL can use any built in ECC curve though it can be limit

Which ECC curve is being used?

2012-12-11 Thread Salz, Rich
Can I determine which of the built-in ECC curves are being used, just by looking at the SSL structure? Tnx. /r$ -- Principal Security Engineer Akamai Technology Cambridge, MA