[#PKCS7_add_recipient]
= PKCS7_add_recipient
:mrdocs:

Create a recipient info from `x509` and add it to enveloped or signed‐and‐enveloped PKCS#7 `p7.`

== Synopsis

Declared in `<openssl/pkcs7.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:PKCS7_RECIP_INFO.adoc[PKCS7_RECIP_INFO]*
PKCS7_add_recipient(
    xref:PKCS7.adoc[PKCS7]* p7,
    xref:X509.adoc[X509]* x509);
----

== Return Value

The new PKCS7_RECIP_INFO on success, or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p7*
| PKCS#7 EnvelopedData or SignedAndEnvelopedData to update.
| *x509*
| Recipient certificate whose public key encrypts the content‐encryption key.
|===


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