[#MD4_Transform]
= MD4&lowbar;Transform
:mrdocs:

Apply the MD4 compression function to one 64&hyphen;byte block (deprecated)&period;

== Synopsis

Declared in `&lt;openssl&sol;md4&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
void
MD4&lowbar;Transform(
    xref:MD4_CTX.adoc[MD4&lowbar;CTX]* c,
    unsigned char const* b);
----

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

[cols="1,4"]
|===
| Name| Description
| *c*
| MD4 context whose chaining variables are updated in place&period;
| *b*
| Input block of MD4&lowbar;CBLOCK (64) bytes&period;
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#
