[gnutls-help] ECIES support in gnutls

Simon Josefsson simon at josefsson.org
Fri Aug 1 22:11:10 CEST 2025


Timo Gerke <timo.gerke at alice-dsl.net> writes:

> Hi all,
>
> is the Elliptic Curve Integrated Encryption Scheme supported by gnutls?

Not to my knowledge.

> If so, which certtool command (sequence) is correct to generate an
> ECIES based CSR?
>
> If not I hereby request ECIES support as feature.

Do you have a openly available protocol specification as a reference?
There seems to be several variants around, and it isn't clear to me
which one (if any) will win.

/Simon

> Other open cryptolibs like wolfssl [1] for example already support ecies
>
> Thanks and Regards,
>
> Timo Gerke
>
> [1] see https://www.wolfssl.com/ecies-sec-1-isoiec-18033
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