I have used ECDSA successfully with X.509 certificates *without* FIPS mode 
enabled. There are issues, however, when FIPS mode is enabled: 
https://github.com/libreswan/libreswan/issues/318

-Kavinda

-----Original Message-----
From: Swan <[email protected]> On Behalf Of Andrew Cagney
Sent: Monday, March 16, 2020 1:36 PM
To: Paul Wouters <[email protected]>
Cc: Cesar Pereida <[email protected]>; [email protected]
Subject: EXTERNAL: Re: [Swan] Info on DSA and ECDSA support

Is there a test?  Big chunks of the RSA vs ECDSA code were merged  - so it 
would help us know where things fall short.


On Mon, 16 Mar 2020 at 13:50, Paul Wouters <[email protected]> wrote:
>
> On Mon, 16 Mar 2020, Cesar Pereida wrote:
>
> > Hey Libreswan folks,
> > What is the current status on supporting DSA and ECDSA during 
> > authentication?
> > In case they are supported, could you point me to simple commands to 
> > generate keys and configuration files using them?
>
> ECDSA is supported for the IKE authentication using authby=ecdsa and 
> for certificate signatures. For generation of ECDSA cerrtificates, see 
> the various tutorials for openssl or nss/certutil. You can find some 
> examples we use for testing at:
>
> https://github.com/libreswan/libreswan/tree/master/testing/x509
>
> raw keys (eg public keys without certificates) do not yet support ECDSA.
>
> I'm not sure what you mean with "DSA", as the term is confusing. NIST 
> uses this term for "Digital Signature Authentication".
>
> Paul
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