[#CT_POLICY_EVAL_CTX_get0_issuer]
= CT&lowbar;POLICY&lowbar;EVAL&lowbar;CTX&lowbar;get0&lowbar;issuer
:mrdocs:

Get the issuer of the certificate associated with the received SCTs&period;

== Synopsis

Declared in `&lt;openssl&sol;ct&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:X509.adoc[X509]*
CT&lowbar;POLICY&lowbar;EVAL&lowbar;CTX&lowbar;get0&lowbar;issuer(xref:CT_POLICY_EVAL_CTX.adoc[CT&lowbar;POLICY&lowbar;EVAL&lowbar;CTX] const* ctx);
----

== Return Value

Issuer certificate, or NULL if unset&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Policy evaluation context to query&period;
|===


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