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Last change
on this file since 83531 was 83531, checked in by vboxsync, 5 years ago |
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setting svn:sync-process=export for openssl-1.1.1f, all files except tests
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File size:
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| 1 | =pod
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| 2 |
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| 3 | =head1 NAME
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| 4 |
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| 5 | X509_check_issued - checks if certificate is issued by another
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| 6 | certificate
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| 7 |
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| 8 | =head1 SYNOPSIS
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| 9 |
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| 10 | #include <openssl/x509v3.h>
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| 11 |
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| 12 | int X509_check_issued(X509 *issuer, X509 *subject);
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| 13 |
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| 14 |
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| 15 | =head1 DESCRIPTION
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| 16 |
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| 17 | This function checks if certificate I<subject> was issued using CA
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| 18 | certificate I<issuer>. This function takes into account not only
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| 19 | matching of issuer field of I<subject> with subject field of I<issuer>,
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| 20 | but also compares B<authorityKeyIdentifier> extension of I<subject> with
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| 21 | B<subjectKeyIdentifier> of I<issuer> if B<authorityKeyIdentifier>
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| 22 | present in the I<subject> certificate and checks B<keyUsage> field of
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| 23 | I<issuer>.
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| 24 |
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| 25 | =head1 RETURN VALUES
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| 26 |
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| 27 | Function return B<X509_V_OK> if certificate I<subject> is issued by
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| 28 | I<issuer> or some B<X509_V_ERR*> constant to indicate an error.
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| 29 |
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| 30 | =head1 SEE ALSO
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| 31 |
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| 32 | L<X509_verify_cert(3)>,
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| 33 | L<X509_check_ca(3)>,
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| 34 | L<verify(1)>
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| 35 |
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| 36 | =head1 COPYRIGHT
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| 37 |
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| 38 | Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
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| 39 |
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| 40 | Licensed under the OpenSSL license (the "License"). You may not use
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| 41 | this file except in compliance with the License. You can obtain a copy
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| 42 | in the file LICENSE in the source distribution or at
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| 43 | L<https://www.openssl.org/source/license.html>.
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| 44 |
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| 45 | =cut
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