[#OSSL_CRMF_MSG_set1_regCtrl_protocolEncrKey]
= OSSL_CRMF_MSG_set1_regCtrl_protocolEncrKey
:mrdocs:

Set the protocolEncrKey regCtrl in a CRMF CertReqMsg.

== Synopsis

Declared in `<openssl/crmf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_CRMF_MSG_set1_regCtrl_protocolEncrKey(
    xref:OSSL_CRMF_MSG.adoc[OSSL_CRMF_MSG]* msg,
    xref:X509_PUBKEY.adoc[X509_PUBKEY] const* pubkey);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *msg*
| CertReqMsg to update.
| *pubkey*
| Protocol encryption public key to copy; see RFC 4211 section 6.6.
|===


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