[#DSA_do_sign]
= DSA_do_sign
:mrdocs:

Sign a digest with a DSA private key, returning a DSA_SIG structure (deprecated).

== Synopsis

Declared in `<openssl/dsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:DSA_SIG.adoc[DSA_SIG]*
DSA_do_sign(
    unsigned char const* dgst,
    int dlen,
    xref:DSA.adoc[DSA]* dsa);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

Newly allocated DSA_SIG, or NULL on error; free with DSA_SIG_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dgst*
| Digest bytes to sign.
| *dlen*
| Length of `dgst` in bytes.
| *dsa*
| DSA key containing the private key used for signing.
|===


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