mirror of
https://github.com/openssl/openssl.git
synced 2024-12-03 05:41:46 +08:00
37 lines
878 B
Plaintext
37 lines
878 B
Plaintext
|
=pod
|
||
|
|
||
|
=head1 NAME
|
||
|
|
||
|
X509_check_issued - checks if certificate is issued by another
|
||
|
certificate
|
||
|
|
||
|
=head1 SYNOPSIS
|
||
|
|
||
|
#include <openssl/x509v3.h>
|
||
|
|
||
|
int X509_check_issued(X509 *issuer, X509 *subject);
|
||
|
|
||
|
|
||
|
=head1 DESCRIPTION
|
||
|
|
||
|
This function checks if certificate I<subject> was issued using CA
|
||
|
certificate I<issuer>. This function takes into account not only
|
||
|
matching of issuer field of I<subject> with subject field of I<issuer>,
|
||
|
but also compares B<authorityKeyIdentifier> extension of I<subject> with
|
||
|
B<subjectKeyIdentifier> of I<issuer> if B<authorityKeyIdentifier>
|
||
|
present in the I<subject> certificate and checks B<keyUsage> field of
|
||
|
I<issuer>.
|
||
|
|
||
|
=head1 RETURN VALUE
|
||
|
|
||
|
Function return B<X509_V_OK> if certificate I<subject> is issued by
|
||
|
I<issuer> or some B<X509_V_ERR*> constant to indicate an error.
|
||
|
|
||
|
=head1 SEE ALSO
|
||
|
|
||
|
L<X509_verify_cert(3)>,
|
||
|
L<X509_check_ca(3)>,
|
||
|
L<verify(1)>
|
||
|
|
||
|
=cut
|