Hello,
Is it possible to continue with this patch?
Le 2021-03-20 à 20 h 23, Nicolas Mora a écrit :
I'm having problems implementing ecdh-es with Curve25519/Curve448.
- If I use an ed25519 key pair to compute, _gnutls_dh_compute_key
returns -55
- If I use an x25519 key pair to compute, I can't import the key using
gnutls_pubkey_import/gnutls_privkey_import_x509
Is it possible at this time to calculate a key agreement with these curves?
I have a working prototype in rhonabwy [1] that uses Nettle's functions
curve25519_mul/curve448_mul. In this case I expect a X25519 or X448 key
pair.
I was stuck with the implementation of ecdh-es with Curve25519/Curve448,
but ecdh-es with ecdsa works fine.
Thanks in advance
/Nicolas
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