[#BIO_f_md]
= BIO&lowbar;f&lowbar;md
:mrdocs:

Return the message&hyphen;digest filter BIO method&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIO_METHOD.adoc[BIO&lowbar;METHOD] const*
BIO&lowbar;f&lowbar;md();
----

== Return Value

BIO&lowbar;METHOD that digests data passed through it via EVP&lowbar;Digest&ast; routines&period;


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