[#DSA_size]
= DSA_size
:mrdocs:

Return the maximum ASN.1 encoded DSA signature size for `dsa` in bytes (deprecated).

== Synopsis

Declared in `<openssl/dsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
DSA_size(xref:DSA.adoc[DSA] const* dsa);
----

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

Prefer EVP_PKEY_get_size() for new code.

== Return Value

Maximum signature length in bytes, or 0 if `dsa` has no usable parameters.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dsa*
| DSA key whose signature size is queried.
|===


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