[#PKCS7_set_attributes]
= PKCS7_set_attributes
:mrdocs:

Replace the unauthenticated attributes on a PKCS#7 signer info.

== Synopsis

Declared in `<openssl/pkcs7.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
PKCS7_set_attributes(
    xref:PKCS7_SIGNER_INFO.adoc[PKCS7_SIGNER_INFO]* p7si,
    xref:stack_st_X509_ATTRIBUTE.adoc[stack_st_X509_ATTRIBUTE]* sk);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p7si*
| Signer info whose unauthenticated attribute set is replaced.
| *sk*
| New attribute stack; on success ownership transfers to `p7si.`
|===


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