[#CMS_SignerInfo_get0_algs]
= CMS_SignerInfo_get0_algs
:mrdocs:

Retrieve algorithm and key pointers from a CMS SignerInfo.

== Synopsis

Declared in `<openssl/cms.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
CMS_SignerInfo_get0_algs(
    xref:CMS_SignerInfo.adoc[CMS_SignerInfo]* si,
    xref:EVP_PKEY.adoc[EVP_PKEY]** pk,
    xref:X509.adoc[X509]** signer,
    xref:X509_ALGOR.adoc[X509_ALGOR]** pdig,
    xref:X509_ALGOR.adoc[X509_ALGOR]** psig);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *si*
| SignerInfo to query.
| *pk*
| Receives the signer's public key if available, or NULL if not requested.
| *signer*
| Receives the signer certificate if available, or NULL if not requested.
| *pdig*
| Receives the digest algorithm, or NULL if not requested.
| *psig*
| Receives the signature algorithm, or NULL if not requested.
|===


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