[#EVP_PKEY_keygen_init]
= EVP_PKEY_keygen_init
:mrdocs:

Initialise a key context for key‐pair generation.

== Synopsis

Declared in `<openssl/evp.h>`

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

== Return Value

1 on success, or a non‐positive value on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context created for the target algorithm (for example via EVP_PKEY_CTX_new_id).
|===


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