[#PKCS7_get_octet_string]
= PKCS7_get_octet_string
:mrdocs:

Return an ASN.1 octet string from a PKCS#7 structure.

== Synopsis

Declared in `<openssl/pkcs7.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_OCTET_STRING.adoc[ASN1_OCTET_STRING]*
PKCS7_get_octet_string(xref:PKCS7.adoc[PKCS7]* p7);
----

== Return Value

Pointer to an internal ASN1_OCTET_STRING, or NULL if the structure cannot be parsed. The returned pointer must not be freed by the caller.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p7*
| PKCS#7 object to query.
|===


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