projects / thirdparty / openssl.git / blame
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|---|---|---|
| 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 | |
| 1bc74519 | 18 | certificate I<issuer>. This function takes into account not only |
| c03726ca RS |
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 | ||
| 1f13ad31 | 25 | =head1 RETURN VALUES |
| c03726ca RS |
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 | ||
| e2f92610 RS |
36 | =head1 COPYRIGHT |
| 37 | ||
| 61f805c1 | 38 | Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. |
| e2f92610 | 39 | |
| 4746f25a | 40 | Licensed under the Apache License 2.0 (the "License"). You may not use |
| e2f92610 RS |
41 | this file except in compliance with the License. You can obtain a copy |
| 42 | in the file LICENSE in the source distribution or at | |
| 43 | L<https://www.openssl.org/source/license.html>. | |
| 44 | ||
| 45 | =cut |