[#OSSL_CMP_validate_msg]
= OSSL_CMP_validate_msg
:mrdocs:

Verify protection and header fields of an incoming CMP message.

== Synopsis

Declared in `<openssl/cmp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_CMP_validate_msg(
    xref:OSSL_CMP_CTX.adoc[OSSL_CMP_CTX]* ctx,
    xref:OSSL_CMP_MSG.adoc[OSSL_CMP_MSG] const* msg);
----

== Return Value

1 if valid, 0 if invalid, or ‐1 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| CMP context with trust and protection settings.
| *msg*
| CMP message to validate.
|===


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