Return whether an RSA key is multi-prime or two-prime (deprecated).
Declared in <openssl/rsa.h>
<openssl/rsa.h>
[[deprecated]] int RSA_get_version(RSA* r);
Deprecated. Use of this entity is allowed but discouraged.
RSA_ASN1_VERSION_MULTI or RSA_ASN1_VERSION_DEFAULT (two-prime).