[#BIO_f_cipher]
= BIO&lowbar;f&lowbar;cipher
:mrdocs:

Return the filter BIO&lowbar;METHOD that encrypts or decrypts data with an EVP&lowbar;CIPHER&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;cipher();
----

== Return Value

Pointer to the cipher filter BIO method&period;


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