[#EVP_PKEY_CTX_get0_peerkey]
= EVP_PKEY_CTX_get0_peerkey
:mrdocs:

Return the peer key previously set on a derive context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_PKEY.adoc[EVP_PKEY]*
EVP_PKEY_CTX_get0_peerkey(xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]* ctx);
----

== Return Value

Peer EVP_PKEY owned by `ctx` (do not free), or NULL if unset.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Key context that may hold a peer key from EVP_PKEY_derive_set_peer().
|===


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