[#EVP_PKEY_CTX_set0_keygen_info]
= EVP_PKEY_CTX_set0_keygen_info
:mrdocs:

Attach legacy keygen progress info used by some ENGINE implementations.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EVP_PKEY_CTX_set0_keygen_info(
    xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]* ctx,
    int* dat,
    int datlen);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Key context used for key generation.
| *dat*
| Array of integers describing generation progress/state (ownership not transferred).
| *datlen*
| Number of entries in `dat.`
|===


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