[#PKEY_USAGE_PERIOD_st-notBefore]
= xref:PKEY_USAGE_PERIOD_st.adoc[PKEY_USAGE_PERIOD_st]::notBefore
:relfileprefix: ../
:mrdocs:

Start of the private key usage interval, or NULL if unset.

== Synopsis

Declared in `<openssl/x509v3.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_GENERALIZEDTIME.adoc[ASN1_GENERALIZEDTIME]* notBefore;
----


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