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gnutls_x509_crt_get_key_id(3)       gnutls       gnutls_x509_crt_get_key_id(3)




NAME

       gnutls_x509_crt_get_key_id - API function


SYNOPSIS

       #include <gnutls/x509.h>

       gnutls_x509_crt_get_key_id(3)  crt,  unsigned  int
       flags, unsigned char * output_data, size_t * output_data_size);


ARGUMENTS

       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)


DESCRIPTION

       This  function  will  return a unique ID that depends on the public key
       parameters. This ID can be used in checking whether a certificate  cor-
       responds 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.


RETURNS

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


REPORTING BUGS

       Report bugs to <bugs@gnutls.org>.
       Home page: http://www.gnutls.org



COPYRIGHT

       Copyright (C) 2001-2016 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

       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

       http://www.gnutls.org/manual/




gnutls                              3.4.11       gnutls_x509_crt_get_key_id(3)

gnutls 3.4.11 - Generated Thu Apr 21 06:06:54 CDT 2016
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