[#RSA_security_bits]
= RSA_security_bits
:mrdocs:

Estimate the security strength of `rsa` in bits (deprecated).

== Synopsis

Declared in `<openssl/rsa.h>`

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

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

Approximate security strength in bits, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rsa*
| RSA key whose modulus size is assessed.
|===


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