[#EVP_PKEY_CTX_new_id]
= EVP_PKEY_CTX_new_id
:mrdocs:

Allocate a key context for algorithm `id,` optionally using an ENGINE.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]*
EVP_PKEY_CTX_new_id(
    int id,
    xref:ENGINE.adoc[ENGINE]* e);
----

== Return Value

New EVP_PKEY_CTX, or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *id*
| Algorithm identifier such as EVP_PKEY_RSA.
| *e*
| ENGINE implementing the algorithm, or NULL for the default implementation.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#