[#PKEY_USAGE_PERIOD]
= PKEY_USAGE_PERIOD
:mrdocs:

Private key usage period extension giving the interval when the key is valid.

== Synopsis

Declared in `<openssl/x509v3.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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typedef xref:PKEY_USAGE_PERIOD_st.adoc[PKEY_USAGE_PERIOD_st] PKEY_USAGE_PERIOD;
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