Setting a group to an existing EVP_PKEY in OpenSSL 3

[amartin at xtec.com]

Hi,

 

How can I set a GROUP to an existing EC type EVP_PKEY in OpenSSL 3?

 

In 1.0.2 I was using this code having the EC_KEY:

 

EC_KEY_set_group(eckey, EC_GROUP_new_by_curve_name(nid));

 

In OpenSSL 3 still EC_GROUP_new_by_curve_name(nid) can be used, but I don't
know how to go from that to set it on the existing key.

 

 

Thanks,

 

Martin

 

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