=head1 NAME
-X509_get_serialNumber, X509_set_serialNumber - get or set certificate serial
-number
+X509_get_serialNumber,
+X509_get0_serialNumber,
+X509_set_serialNumber
+- get or set certificate serial number
=head1 SYNOPSIS
#include <openssl/x509.h>
ASN1_INTEGER *X509_get_serialNumber(X509 *x);
+ const ASN1_INTEGER *X509_get0_serialNumber(const X509 *x);
int X509_set_serialNumber(X509 *x, ASN1_INTEGER *serial);
=head1 DESCRIPTION
B<ASN1_INTEGER> structure which can be examined or initialised. The value
returned is an internal pointer which B<MUST NOT> be freed up after the call.
+X509_get0_serialNumber() is the same as X509_get_serialNumber() except it
+accepts a const parameter and returns a const result.
+
X509_set_serialNumber() sets the serial number of certificate B<x> to
B<serial>. A copy of the serial number is used internally so B<serial> should
be freed up after use.
=head1 RETURN VALUES
-X509_get_serialNumber() returns an B<ASN1_INTEGER> structure.
+X509_get_serialNumber() and X509_get0_serialNumber() return an B<ASN1_INTEGER>
+structure.
X509_set_serialNumber() returns 1 for success and 0 for failure.
=head1 HISTORY
X509_get_serialNumber() and X509_set_serialNumber() are available in
-all versions of OpenSSL.
+all versions of OpenSSL. X509_get0_serialNumber() was added in OpenSSL 1.1.0.
=head1 COPYRIGHT