[#DES_ecb_encrypt]
= DES_ecb_encrypt
:mrdocs:

Encrypt or decrypt one 8‐byte DES block in ECB mode (deprecated; prefer EVP).

== Synopsis

Declared in `<openssl/des.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
DES_ecb_encrypt(
    xref:const_DES_cblock.adoc[const_DES_cblock]* input,
    xref:DES_cblock.adoc[DES_cblock]* output,
    xref:DES_key_schedule.adoc[DES_key_schedule]* ks,
    int enc);
----

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

[cols="1,4"]
|===
| Name| Description
| *input*
| 8‐byte input block.
| *output*
| 8‐byte output block (may equal `input).`
| *ks*
| Expanded DES key schedule.
| *enc*
| DES_ENCRYPT to encrypt, or DES_DECRYPT to decrypt.
|===


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