[#CAST_ecb_encrypt]
= CAST_ecb_encrypt
:mrdocs:

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

== Synopsis

Declared in `<openssl/cast.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
CAST_ecb_encrypt(
    unsigned char const* in,
    unsigned char* out,
    xref:CAST_KEY.adoc[CAST_KEY] const* key,
    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
| *in*
| 8‐byte input block.
| *out*
| 8‐byte output buffer (may equal `in).`
| *key*
| Expanded CAST key from CAST_set_key().
| *enc*
| CAST_ENCRYPT to encrypt, or CAST_DECRYPT to decrypt.
|===


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