[#EVP_CIPHER_CTX_iv_noconst]
= EVP_CIPHER_CTX_iv_noconst
:mrdocs:

Return a mutable pointer to the current IV in a cipher context (deprecated).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
unsigned char*
EVP_CIPHER_CTX_iv_noconst(xref:EVP_CIPHER_CTX.adoc[EVP_CIPHER_CTX]* ctx);
----

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

Pointer to the IV bytes, or NULL if unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Cipher context whose IV buffer is accessed.
|===


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