[#EVP_MD_meth_get_app_datasize]
= EVP&lowbar;MD&lowbar;meth&lowbar;get&lowbar;app&lowbar;datasize
:mrdocs:

Return the application&hyphen;data size reserved by a custom EVP&lowbar;MD method (deprecated)&period;

== Synopsis

Declared in `&lt;openssl&sol;evp&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
int
EVP&lowbar;MD&lowbar;meth&lowbar;get&lowbar;app&lowbar;datasize(xref:EVP_MD.adoc[EVP&lowbar;MD] const* md);
----

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

Size in bytes previously set with EVP&lowbar;MD&lowbar;meth&lowbar;set&lowbar;app&lowbar;datasize()&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *md*
| Digest method to query&period;
|===


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