[#EVP_CIPHER_CTX_set_padding]
= EVP_CIPHER_CTX_set_padding
:mrdocs:

Enable or disable standard block‐cipher padding on a cipher context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_CIPHER_CTX_set_padding(
    xref:EVP_CIPHER_CTX.adoc[EVP_CIPHER_CTX]* c,
    int pad);
----

== Return Value

1 on success.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| Cipher context to update.
| *pad*
| Nonzero to enable PKCS‐style padding; zero to disable.
|===


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