[#AES256CBCDecrypt-Decrypt]
= xref:AES256CBCDecrypt.adoc[AES256CBCDecrypt]::Decrypt
:relfileprefix: ../
:mrdocs:

Decrypt a buffer of arbitrary length in CBC mode.

== Synopsis

Declared in `<crypto/aes.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
Decrypt(
    unsigned char const* data,
    int size,
    unsigned char* out) const;
----

== Return Value

The number of plaintext bytes written.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *data*
| The ciphertext to decrypt.
| *size*
| The number of ciphertext bytes.
| *out*
| Output buffer receiving the plaintext.
|===


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