[#EVP_PKEY_CTX_set_dh_paramgen_generator]
= EVP_PKEY_CTX_set_dh_paramgen_generator
:mrdocs:

Set the DH parameter‐generation generator (g) on `ctx.`

== Synopsis

Declared in `<openssl/dh.h>`

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

== Return Value

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Keygen/paramgen context for a DH key type.
| *gen*
| Generator value (commonly 2 or 5).
|===


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