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gnutls_x509_privkey_get_key_id(3)   gnutls   gnutls_x509_privkey_get_key_id(3)

NAME
       gnutls_x509_privkey_get_key_id - API function

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  cor‐
       responds 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>.	 GnuTLS	  home	 page:
       http://www.gnu.org/software/gnutls/ General help	 using	GNU  software:
       http://www.gnu.org/gethelp/

COPYRIGHT
       Copyright © 2008 Free Software Foundation.
       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
       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.

gnutls				   2.12.6.1  gnutls_x509_privkey_get_key_id(3)

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