mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
61f805c1d5
Because the related PR/commits are merged in 2018... Reviewed-by: Andy Polyakov <appro@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/4976)
46 lines
1.2 KiB
Plaintext
46 lines
1.2 KiB
Plaintext
=pod
|
|
|
|
=head1 NAME
|
|
|
|
X509_check_ca - check if given certificate is CA certificate
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
#include <openssl/x509v3.h>
|
|
|
|
int X509_check_ca(X509 *cert);
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
This function checks if given certificate is CA certificate (can be used
|
|
to sign other certificates).
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
Function return 0, if it is not CA certificate, 1 if it is proper X509v3
|
|
CA certificate with B<basicConstraints> extension CA:TRUE,
|
|
3, if it is self-signed X509 v1 certificate, 4, if it is certificate with
|
|
B<keyUsage> extension with bit B<keyCertSign> set, but without
|
|
B<basicConstraints>, and 5 if it has outdated Netscape Certificate Type
|
|
extension telling that it is CA certificate.
|
|
|
|
Actually, any non-zero value means that this certificate could have been
|
|
used to sign other certificates.
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<X509_verify_cert(3)>,
|
|
L<X509_check_issued(3)>,
|
|
L<X509_check_purpose(3)>
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
|
|
|
|
Licensed under the OpenSSL license (the "License"). You may not use
|
|
this file except in compliance with the License. You can obtain a copy
|
|
in the file LICENSE in the source distribution or at
|
|
L<https://www.openssl.org/source/license.html>.
|
|
|
|
=cut
|