NAME


gnutls_x509_privkey_get_key_id - Return unique ID of the key’s parameters

SYNOPSIS


#include <gnutls/x509.h>

int gnutls_x509_privkey_get_key_id(gnutls_x509_privkey_t key, unsigned int flags, unsigned char * output_data, size_t * output_data_size);

ARGUMENTS


gnutls_x509_privkey_t key Holds the key
unsigned int flags should be 0 for now
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


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 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


On success, GNUTLS_E_SUCCESS is returned, otherwise a negative error value.

REPORTING BUGS


Report bugs to <bug-gnutls@gnu.org>.

COPYRIGHT


Copyright © 2008 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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