Re: Setting a group to an existing EVP_PKEY in OpenSSL 3

On 25/10/2022 00:21, Kory Hamzeh wrote: I haven’t done exactly what you are trying, but something similar.  See EVP_PKEY_set_params: https://www.openssl.org/docs/man3.0/man3/EVP_PKEY_set_params.html The specific parm to

RE: Setting a group to an existing EVP_PKEY in OpenSSL 3

Kory, Thanks for your response. I want to preserve the rest of the EC public key params. I did this. I haven’t test yet. OSSL_PARAM* extracted_params = NULL; char curve_name[64]; OSSL_PARAM* param_ecgroup = NULL; // sigkey is the EVP_PKEY ECDSA public key if

Re: Setting a group to an existing EVP_PKEY in OpenSSL 3

I haven’t done exactly what you are trying, but something similar. See EVP_PKEY_set_params: https://www.openssl.org/docs/man3.0/man3/EVP_PKEY_set_params.html The specific parm to set the group could be set like this:

Setting a group to an existing EVP_PKEY in OpenSSL 3

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