[#HMAC_CTX_new]
= HMAC_CTX_new
:mrdocs:

Allocate a new HMAC context (deprecated; prefer EVP_MAC).

== Synopsis

Declared in `<openssl/hmac.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:HMAC_CTX.adoc[HMAC_CTX]*
HMAC_CTX_new();
----

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

New HMAC_CTX, or NULL on allocation failure.


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