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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_x509_crt_get_key_id(3) gnutls gnutls_x509_crt_get_key_id(3)
gnutls_x509_crt_get_key_id - API function
#include <gnutls/x509.h>
int gnutls_x509_crt_get_key_id(gnutls_x509_crt_t crt, unsigned
int flags, unsigned char * output_data, size_t *
output_data_size);
gnutls_x509_crt_t crt
Holds the certificate
unsigned int flags
should be one of the flags from gnutls_keyid_flags_t
unsigned char * output_data
will contain the key ID
size_t * output_data_size
holds the size of output_data (and will be replaced
by the actual size of parameters)
This function will return a unique ID that depends on the public
key parameters. This ID can be used in checking whether a
certificate corresponds to the given private key.
If the buffer provided is not long enough to hold the output,
then *output_data_size is updated and
GNUTLS_E_SHORT_MEMORY_BUFFER will be returned. The output will
normally be a SHA-1 hash output, which is 20 bytes.
In case of failure a negative error code will be returned, and 0
on success.
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Copyright © 2001-2023 Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without
modification, are permitted in any medium without royalty
provided the copyright notice and this notice are preserved.
The full documentation for gnutls is maintained as a Texinfo
manual. If the /usr/share/doc/gnutls/ directory does not contain
the HTML form visit
https://www.gnutls.org/manual/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to bugs@gnutls.org. This page was obtained
from the tarball gnutls-3.8.5.tar.xz fetched from
⟨http://www.gnutls.org/download.html⟩ on 2024-06-14. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org
gnutls 3.8.5 gnutls_x509_crt_get_key_id(3)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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