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 - API function
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SYNOPSIS

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

15       gnutls_x509_privkey_t key
16                   a key
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18       unsigned int flags
19                   should be one of the flags from gnutls_keyid_flags_t
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21       unsigned char * output_data
22                   will contain the key ID
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24       size_t * output_data_size
25                   holds the size of output_data (and will be replaced by  the
26                   actual size of parameters)
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DESCRIPTION

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

39       On success, GNUTLS_E_SUCCESS (0)  is  returned,  otherwise  a  negative
40       error value.
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REPORTING BUGS

43       Report bugs to <bugs@gnutls.org>.
44       Home page: https://www.gnutls.org
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48       Copyright © 2001-2019 Free Software Foundation, Inc., and others.
49       Copying  and  distribution  of this file, with or without modification,
50       are permitted in any medium  without  royalty  provided  the  copyright
51       notice and this notice are preserved.
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SEE ALSO

54       The  full  documentation  for gnutls is maintained as a Texinfo manual.
55       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
56       visit
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58       https://www.gnutls.org/manual/
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60gnutls                              3.6.11   gnutls_x509_privkey_get_key_id(3)
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