[#HMAC_CTX_set_flags]
= HMAC&lowbar;CTX&lowbar;set&lowbar;flags
:mrdocs:

Set flags on an HMAC context, forwarded to the underlying digest&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
void
HMAC&lowbar;CTX&lowbar;set&lowbar;flags(
    xref:HMAC_CTX.adoc[HMAC&lowbar;CTX]* ctx,
    unsigned long flags);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| HMAC context to update&period;
| *flags*
| Flag bits to set&period;
|===


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