Hi,

On 21/07/2020 17:49, Arne Schwabe wrote:
> By default OpenSSL 1.1+ only allows signatures and ecdh/ecdhx from the
> default list of X25519:secp256r1:X448:secp521r1:secp384r1. In
> TLS1.3 key exchange is independent from the signature/key of the
> certificates, so allowing all groups per default is not a sensible
> choice anymore and instead a shorter list is reasonable.
> 
> However, when using certificates with exotic curves that are not on
> the group list, the signatures of these certificates will no longer
> be accepted.
> 
> The tls-groups  option allows to modify the group list to account
> for these corner cases.
> 
> Patch V2: Uses local gc_arena instead of malloc/free, reword commit
>           message. Fix other typos/clarify messages
> 
> Patch V3: Style fixes, adjust code to changes from mbed tls session
>           fix
> 
> Patch V5: Fix compilation with OpenSSL 1.0.2
> 
> Patch V6: Redo the 'while((token = strsep(&tmp_groups, ":"))' change
>           that accidently got lost.
> 
> Signed-off-by: Arne Schwabe <a...@rfc2549.org>


Much better now.

Acked-by: Antonio Quartulli <a...@unstable.cc>




-- 
Antonio Quartulli


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