[#EVP_PKEY_CTX_get_cb]
= EVP_PKEY_CTX_get_cb
:mrdocs:

Return the keygen progress callback currently installed on a key context.

== Synopsis

Declared in `<openssl/evp.h>`

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

== Return Value

Callback pointer, or NULL if none is set.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Key context to query.
|===


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