[#PKCS7_get_issuer_and_serial]
= PKCS7_get_issuer_and_serial
:mrdocs:

Return the issuer‐and‐serial of signer info `idx` in a signed PKCS#7 structure.

== Synopsis

Declared in `<openssl/pkcs7.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:PKCS7_ISSUER_AND_SERIAL.adoc[PKCS7_ISSUER_AND_SERIAL]*
PKCS7_get_issuer_and_serial(
    xref:PKCS7.adoc[PKCS7]* p7,
    int idx);
----

== Return Value

Pointer to the internal PKCS7_ISSUER_AND_SERIAL (do not free), or NULL if out of range.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p7*
| PKCS#7 SignedData or SignedAndEnvelopedData object.
| *idx*
| Zero‐based index into the signer‐info stack.
|===


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