ASN1_PKEY_DYNAMIC
pkey_flags & ASN1_PKEY_DYNAMIC ? "External" : "Builtin");
pkey_flags & ASN1_PKEY_DYNAMIC ? "External" : "Builtin");
ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {