1gnutls_x509_privkey_get_key_id(3)   gnutls   gnutls_x509_privkey_get_key_id(3)
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NAME

6       gnutls_x509_privkey_get_key_id  - Return unique ID of the key's parame‐
7       ters
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SYNOPSIS

10       #include <gnutls/x509.h>
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12       int gnutls_x509_privkey_get_key_id(gnutls_x509_privkey_t key,  unsigned
13       int flags, unsigned char * output_data, size_t * output_data_size);
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ARGUMENTS

16       gnutls_x509_privkey_t key
17                   Holds the key
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19       unsigned int flags
20                   should be 0 for now
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22       unsigned char * output_data
23                   will contain the key ID
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25       size_t * output_data_size
26                   holds  the size of output_data (and will be replaced by the
27                   actual size of parameters)
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DESCRIPTION

30       This function will return a unique ID the depends  on  the  public  key
31       parameters.  This ID can be used in checking whether a certificate cor‐
32       responds to the given key.
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34       If the buffer provided is not long enough  to  hold  the  output,  then
35       *output_data_size  is  updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be
36       returned.  The output will normally be a SHA-1 hash output, which is 20
37       bytes.
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RETURNS

40       On  success,  GNUTLS_E_SUCCESS  is returned, otherwise a negative error
41       value.
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REPORTING BUGS

44       Report   bugs   to    <bug-gnutls@gnu.org>.     GnuTLS    home    page:
45       http://www.gnu.org/software/gnutls/  General  help  using GNU software:
46       http://www.gnu.org/gethelp/
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49       Copyright © 2008 Free Software Foundation.
50       Copying and distribution of this file, with  or  without  modification,
51       are  permitted  in  any  medium  without royalty provided the copyright
52       notice and this notice are preserved.
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SEE ALSO

55       The full documentation for gnutls is maintained as  a  Texinfo  manual.
56       If  the  info  and gnutls programs are properly installed at your site,
57       the command
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59              info gnutls
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61       should give you access to the complete manual.
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65gnutls                               2.8.6   gnutls_x509_privkey_get_key_id(3)
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