[#DES_encrypt3]
= DES&lowbar;encrypt3
:mrdocs:

Encrypt one block with triple&hyphen;DES EDE using three schedules (deprecated low&hyphen;level)&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
void
DES&lowbar;encrypt3(
    xref:DES_LONG.adoc[DES&lowbar;LONG]* data,
    xref:DES_key_schedule.adoc[DES&lowbar;key&lowbar;schedule]* ks1,
    xref:DES_key_schedule.adoc[DES&lowbar;key&lowbar;schedule]* ks2,
    xref:DES_key_schedule.adoc[DES&lowbar;key&lowbar;schedule]* ks3);
----

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

[cols="1,4"]
|===
| Name| Description
| *data*
| Two DES&lowbar;LONG words holding the 64&hyphen;bit block (no outer IP&sol;FP)&period;
| *ks1*
| First DES key schedule (encrypt)&period;
| *ks2*
| Second DES key schedule (decrypt)&period;
| *ks3*
| Third DES key schedule (encrypt)&period;
|===


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