[#EVP_KDF_CTX_free]
= EVP_KDF_CTX_free
:mrdocs:

Free a KDF context and its associated state.

== Synopsis

Declared in `<openssl/kdf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EVP_KDF_CTX_free(xref:EVP_KDF_CTX.adoc[EVP_KDF_CTX]* ctx);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context to free, or NULL.
|===


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