projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| c03726ca RS |
1 | =pod |
| 2 | ||
| 3 | =head1 NAME | |
| 4 | ||
| 5 | X509_check_issued - checks if certificate is issued by another | |
| 6 | certificate | |
| 7 | ||
| 8 | =head1 SYNOPSIS | |
| 9 | ||
| 10 | #include <openssl/x509v3.h> | |
| 11 | ||
| 12 | int X509_check_issued(X509 *issuer, X509 *subject); | |
| 13 | ||
| 14 | ||
| 15 | =head1 DESCRIPTION | |
| 16 | ||
| 17 | This function checks if certificate I<subject> was issued using CA | |
| 18 | certificate I<issuer>. This function takes into account not only | |
| 19 | matching of issuer field of I<subject> with subject field of I<issuer>, | |
| 20 | but also compares B<authorityKeyIdentifier> extension of I<subject> with | |
| 21 | B<subjectKeyIdentifier> of I<issuer> if B<authorityKeyIdentifier> | |
| 22 | present in the I<subject> certificate and checks B<keyUsage> field of | |
| 23 | I<issuer>. | |
| 24 | ||
| 25 | =head1 RETURN VALUE | |
| 26 | ||
| 27 | Function return B<X509_V_OK> if certificate I<subject> is issued by | |
| 28 | I<issuer> or some B<X509_V_ERR*> constant to indicate an error. | |
| 29 | ||
| 30 | =head1 SEE ALSO | |
| 31 | ||
| 32 | L<X509_verify_cert(3)>, | |
| 33 | L<X509_check_ca(3)>, | |
| 34 | L<verify(1)> | |
| 35 | ||
| 36 | =cut | |
| e2f92610 RS |
37 | |
| 38 | =head1 COPYRIGHT | |
| 39 | ||
| 40 | Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. | |
| 41 | ||
| 42 | Licensed under the OpenSSL license (the "License"). You may not use | |
| 43 | this file except in compliance with the License. You can obtain a copy | |
| 44 | in the file LICENSE in the source distribution or at | |
| 45 | L<https://www.openssl.org/source/license.html>. | |
| 46 | ||
| 47 | =cut |