ossl_ecx_key_op
ecx = ossl_ecx_key_op(palg, p, plen, EVP_PKEY_NONE, KEY_OP_PRIVATE,
ECX_KEY *ecx = ossl_ecx_key_op(NULL, arg2, arg1, pkey->ameth->pkey_id,
ecx = ossl_ecx_key_op(NULL, priv, len, pkey->ameth->pkey_id,
ecx = ossl_ecx_key_op(NULL, pub, len, pkey->ameth->pkey_id,
ecx = ossl_ecx_key_op(palg, p, pklen, pkey->ameth->pkey_id,
ECX_KEY *ecx = ossl_ecx_key_op(NULL, NULL, 0, ctx->pmeth->pkey_id,
ECX_KEY *ossl_ecx_key_op(const X509_ALGOR *palg,