1gnutls_openpgp_crt_get_subkey_usage(3g)nutlgsnutls_openpgp_crt_get_subkey_usage(3)
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NAME

6       gnutls_openpgp_crt_get_subkey_usage - API function
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SYNOPSIS

9       #include <gnutls/openpgp.h>
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11       int    gnutls_openpgp_crt_get_subkey_usage(gnutls_openpgp_crt_t    key,
12       unsigned int idx, unsigned int * key_usage);
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ARGUMENTS

15       gnutls_openpgp_crt_t key
16                   should contain a gnutls_openpgp_crt_t structure
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18       unsigned int idx
19                   the subkey index
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21       unsigned int * key_usage
22                   where the key usage bits will be stored
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DESCRIPTION

25       This function will return certificate's key usage, by checking the  key
26       algorithm.   The  key  usage value will ORed values of GNUTLS_KEY_DIGI‐
27       TAL_SIGNATURE or GNUTLS_KEY_KEY_ENCIPHERMENT.
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29       A negative value may be returned in case of parsing error.
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RETURNS

32       key usage value.
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SINCE

35       2.4.0
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REPORTING BUGS

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

49       The full documentation for gnutls is maintained as  a  Texinfo  manual.
50       If  the  info  and gnutls programs are properly installed at your site,
51       the command
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53              info gnutls
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55       should give you access to the complete manual.
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59gnutls                             2.12.6g.n1utls_openpgp_crt_get_subkey_usage(3)
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