[#CMS_set1_signers_certs]
= CMS_set1_signers_certs
:mrdocs:

Attach signer certificates from `certs` to matching CMS SignerInfos.

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
CMS_set1_signers_certs(
    xref:CMS_ContentInfo.adoc[CMS_ContentInfo]* cms,
    xref:stack_st_X509.adoc[stack_st_X509]* certs,
    unsigned int flags);
----

== Return Value

Number of SignerInfos that received a certificate, or a negative value on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cms*
| Signed CMS ContentInfo whose SignerInfos are updated.
| *certs*
| Candidate signer certificates; matching ones are referenced by the CMS structure.
| *flags*
| CMS_NOINTERN and related flags controlling where certificates are taken from.
|===


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