gnutls_pubkey_get_key_id(3) — Linux manual page


gnutls_pubkey_get_key_id(3)      gnutls      gnutls_pubkey_get_key_id(3)

NAME         top

       gnutls_pubkey_get_key_id - API function

SYNOPSIS         top

       #include <gnutls/abstract.h>

       int gnutls_pubkey_get_key_id(gnutls_pubkey_t key, unsigned int
       flags, unsigned char * output_data, size_t * output_data_size);

ARGUMENTS         top

       gnutls_pubkey_t key
                   Holds the public key

       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)

DESCRIPTION         top

       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 public 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.

RETURNS         top

       In case of failure a negative error code will be returned, and 0
       on success.

SINCE         top


REPORTING BUGS         top

       Report bugs to <>.
       Home page:

COPYRIGHT         top

       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.

SEE ALSO         top

       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

COLOPHON         top

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gnutls                            3.8.2      gnutls_pubkey_get_key_id(3)