1=pod
2
3=head1 NAME
4
5PBMAC1_get1_pbkdf2_param - Function to manipulate a PBMAC1
6MAC structure
7
8=head1 SYNOPSIS
9
10 #include <openssl/x509.h>
11
12 PBKDF2PARAM *PBMAC1_get1_pbkdf2_param(const X509_ALGOR *macalg);
13
14=head1 DESCRIPTION
15
16PBMAC1_get1_pbkdf2_param() retrieves a B<PBKDF2PARAM> structure from an
17I<X509_ALGOR> structure.
18
19=head1 RETURN VALUES
20
21PBMAC1_get1_pbkdf2_param() returns NULL in case when PBMAC1 uses an algorithm
22apart from B<PBKDF2> or when passed incorrect parameters and a pointer to
23B<PBKDF2PARAM> structure otherwise.
24
25=head1 CONFORMING TO
26
27IETF RFC 9579 (L<https://tools.ietf.org/html/rfc9579>)
28
29=head1 SEE ALSO
30
31L<openssl-pkcs12(1)>
32
33=head1 HISTORY
34
35The I<PBMAC1_get1_pbkdf2_param> function was added in OpenSSL 3.4.
36
37=head1 COPYRIGHT
38
39Copyright 2021-2024 The OpenSSL Project Authors. All Rights Reserved.
40
41Licensed under the Apache License 2.0 (the "License").  You may not use
42this file except in compliance with the License.  You can obtain a copy
43in the file LICENSE in the source distribution or at
44L<https://www.openssl.org/source/license.html>.
45
46=cut
47