[#CMS_add_smimecap]
= CMS_add_smimecap
:mrdocs:

Encode a stack of algorithms as an SMIMECapabilities signed attribute on a SignerInfo.

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
CMS_add_smimecap(
    xref:CMS_SignerInfo.adoc[CMS_SignerInfo]* si,
    xref:stack_st_X509_ALGOR.adoc[stack_st_X509_ALGOR]* algs);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *si*
| SignerInfo that receives the SMIMECapabilities attribute.
| *algs*
| Stack of X509_ALGOR capability entries (for example built with CMS_add_simple_smimecap).
|===


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