pkey/ec: check private key validity with OpenSSL 3 #580
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The behavior of EVP_PKEY_public_check changed between OpenSSL 1.1.1 and 3.0 so that it no longer validates the private key. Instead, private keys can be validated through EVP_PKEY_private_check and EVP_PKEY_pairwise_check. [ky: simplified condition to use either EVP_PKEY_check() or EVP_PKEY_public_check().]
This was referenced Dec 22, 2022
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The behavior of EVP_PKEY_public_check changed between OpenSSL 1.1.1 and 3.0 so that it no longer validates the private key. Instead, private keys can be validated through EVP_PKEY_private_check and EVP_PKEY_pairwise_check.
[ky: simplified condition to use either EVP_PKEY_check() or EVP_PKEY_public_check().]
This replaces #565, the original Pull Request by @bannable.