[#RSA_get_multi_prime_extra_count]
= RSA_get_multi_prime_extra_count
:mrdocs:

Return how many extra primes beyond p and q a multi‐prime RSA key has (deprecated).

== Synopsis

Declared in `<openssl/rsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
RSA_get_multi_prime_extra_count(xref:RSA.adoc[RSA] const* r);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

Extra prime count (>=0), or 0 if the key is two‐prime / on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *r*
| RSA key to query.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#