[#AUTHORITY_KEYID_st-serial]
= xref:AUTHORITY_KEYID_st.adoc[AUTHORITY_KEYID_st]::serial
:relfileprefix: ../
:mrdocs:

Optional serial number of the issuer certificate.

== Synopsis

Declared in `<openssl/x509v3.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:ASN1_INTEGER.adoc[ASN1_INTEGER]* serial;
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