[#DSA_get0_pub_key]
= DSA_get0_pub_key
:mrdocs:

Return the public key component of a DSA object without duplicating it (deprecated).

== Synopsis

Declared in `<openssl/dsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:BIGNUM.adoc[BIGNUM] const*
DSA_get0_pub_key(xref:DSA.adoc[DSA] const* d);
----

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

Internal BIGNUM pointer for the public key, or NULL if unset; do not free.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *d*
| DSA key to query.
|===


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