1gnutls_x509_crt_get_key_purpose_oid(3g)nutlgsnutls_x509_crt_get_key_purpose_oid(3)
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NAME

6       gnutls_x509_crt_get_key_purpose_oid - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int   gnutls_x509_crt_get_key_purpose_oid(gnutls_x509_crt_t  cert,  int
12       indx, void * oid, size_t * sizeof_oid, unsigned int * critical);
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ARGUMENTS

15       gnutls_x509_crt_t cert
16                   should contain a gnutls_x509_crt_t structure
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18       int indx    This specifies which OID to return. Use  zero  to  get  the
19                   first one.
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21       void * oid  a pointer to a buffer to hold the OID (may be null)
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23       size_t * sizeof_oid
24                   initially holds the size of oid
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26       unsigned int * critical
27                   output flag to indicate criticality of extension
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DESCRIPTION

30       This  function  will  extract  the  key purpose OIDs of the Certificate
31       specified by the given index.  These are stored  in  the  Extended  Key
32       Usage  extension  (2.5.29.37) See the GNUTLS_KP_* definitions for human
33       readable names.
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35       If oid is null then only the size will be filled.
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RETURNS

38       GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough,
39       and  in  that  case  the  *sizeof_oid will be updated with the required
40       size.  On success 0 is returned.
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REPORTING BUGS

43       Report   bugs   to    <bug-gnutls@gnu.org>.     GnuTLS    home    page:
44       http://www.gnu.org/software/gnutls/  General  help  using GNU software:
45       http://www.gnu.org/gethelp/
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48       Copyright © 2008 Free Software Foundation.
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  info  and gnutls programs are properly installed at your site,
56       the command
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58              info gnutls
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60       should give you access to the complete manual.
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64gnutls                             2.12.6g.n1utls_x509_crt_get_key_purpose_oid(3)
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