[#EVP_KDF_CTX_new]
= EVP_KDF_CTX_new
:mrdocs:

Allocate a key‐derivation context for a fetched EVP_KDF.

== Synopsis

Declared in `<openssl/kdf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_KDF_CTX.adoc[EVP_KDF_CTX]*
EVP_KDF_CTX_new(xref:EVP_KDF.adoc[EVP_KDF]* kdf);
----

== Return Value

New context, or NULL on failure; free with EVP_KDF_CTX_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *kdf*
| Algorithm from EVP_KDF_fetch() (not consumed; may be freed after).
|===


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