[#MD4_Transform]
= MD4_Transform
:mrdocs:

Apply the MD4 compression function to one 64‐byte block (deprecated).

== Synopsis

Declared in `<openssl/md4.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
MD4_Transform(
    xref:MD4_CTX.adoc[MD4_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.
| *b*
| Input block of MD4_CBLOCK (64) bytes.
|===


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