[#EVP_PKEY_get_security_bits]
= EVP_PKEY_get_security_bits
:mrdocs:

Return the estimated security strength of a key in bits.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_get_security_bits(xref:EVP_PKEY.adoc[EVP_PKEY] const* pkey);
----

== Return Value

Security bits (for example 128), or 0 if unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pkey*
| Key to query.
|===


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