[#CMS_RecipientInfo_kari_get0_alg]
= CMS_RecipientInfo_kari_get0_alg
:mrdocs:

Get the key‐encryption algorithm and optional UKM from a key‐agreement recipient info.

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
CMS_RecipientInfo_kari_get0_alg(
    xref:CMS_RecipientInfo.adoc[CMS_RecipientInfo]* ri,
    xref:X509_ALGOR.adoc[X509_ALGOR]** palg,
    xref:ASN1_OCTET_STRING.adoc[ASN1_OCTET_STRING]** pukm);
----

== Return Value

1 on success, or 0 if `ri` is not a key‐agreement recipient info.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ri*
| Recipient info of type CMS_RECIPINFO_AGREE.
| *palg*
| Receives the keyEncryptionAlgorithm, or NULL if not requested.
| *pukm*
| Receives the user keying material (UKM), or NULL if not requested or absent.
|===


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