NAME
gnutls_x509_crt_get_key_id - Return unique ID of public key's parameters
SYNOPSIS
#include <gnutls/x509.h>
I int gnutls_x509_crt_get_key_id(gnutls_x509_crt_t crt , unsigned int flags , unsigned char * output_data , size_t * output_data_size );
ARGUMENTS
"gnutls_x509_crt_t
Holds the certificate
"unsigned
should be 0 for now
"unsigned
will contain the key ID
"size_t
holds the size of output_data (and will be
replaced by the actual size of parameters)
DESCRIPTION
This function will return a unique ID the 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.
RETURN VALUE
In case of failure a negative value will be
returned, and 0 on success.
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>.
COPYRIGHT
Copyright 2006 Free Software Foundation.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.
SEE ALSO
The full documentation for
gnutls
is maintained as a Texinfo manual. If the
info
and
gnutls
programs are properly installed at your site, the command
info gnutls
should give you access to the complete manual.
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