[#EVP_PKEY_CTX_set_dsa_paramgen_md]
= EVP_PKEY_CTX_set_dsa_paramgen_md
:mrdocs:

Set the digest used for DSA parameter generation on an EVP_PKEY_CTX.

== Synopsis

Declared in `<openssl/dsa.h>`

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

== Return Value

1 on success, or a negative value for unsupported / failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Parameter‐generation context for a DSA key.
| *md*
| Message digest to use; if unset, SHA‐1/224/256 is chosen to match q.
|===


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