[#EVP_PKEY_get1_DH]
= EVP_PKEY_get1_DH
:mrdocs:

Return a new reference to the DH key held by `pkey` (deprecated).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:dh_st.adoc[dh_st]*
EVP_PKEY_get1_DH(xref:EVP_PKEY.adoc[EVP_PKEY]* pkey);
----

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

DH with an incremented reference count, or NULL if not a DH key; free with DH_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pkey*
| Key that must hold a DH key.
|===


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