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c03726ca41
Make all mention of digest algorithm use "any supported algorithm"
RT2071, some new manpages from Victor B. Wagner <vitus@cryptocom.ru>:
X509_LOOKUP_hash_dir.pod
X509_check_ca.pod
X509_check_issued.pod
RT 1600:
Remove references to non-existant objects(3)
Add RETURN VALUES to BIO_do_accept page.
RT1818:
RSA_sign Can return values other than 0 on failure.
RT3634:
Fix AES CBC aliases (Steffen Nurpmeso <sdaoden@yandex.com>)
RT3678:
Some clarifications to BIO_new_pair
(Devchandra L Meetei <dlmeetei@gmail.com>)
RT3787:
Fix some EVP_ function return values
(Laetitia Baudoin <lbaudoin@google.com>)
Reviewed-by: Tim Hudson <tjh@openssl.org>
37 lines
878 B
Plaintext
37 lines
878 B
Plaintext
=pod
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=head1 NAME
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X509_check_issued - checks if certificate is issued by another
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certificate
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=head1 SYNOPSIS
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#include <openssl/x509v3.h>
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int X509_check_issued(X509 *issuer, X509 *subject);
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=head1 DESCRIPTION
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This function checks if certificate I<subject> was issued using CA
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certificate I<issuer>. This function takes into account not only
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matching of issuer field of I<subject> with subject field of I<issuer>,
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but also compares B<authorityKeyIdentifier> extension of I<subject> with
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B<subjectKeyIdentifier> of I<issuer> if B<authorityKeyIdentifier>
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present in the I<subject> certificate and checks B<keyUsage> field of
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I<issuer>.
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=head1 RETURN VALUE
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Function return B<X509_V_OK> if certificate I<subject> is issued by
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I<issuer> or some B<X509_V_ERR*> constant to indicate an error.
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=head1 SEE ALSO
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L<X509_verify_cert(3)>,
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L<X509_check_ca(3)>,
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L<verify(1)>
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=cut
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