1gnutls_x509_crt_get_subject_key_id(3)gnutlsgnutls_x509_crt_get_subject_key_id(3)
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6 gnutls_x509_crt_get_subject_key_id - API function
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9 #include <gnutls/x509.h>
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11 int gnutls_x509_crt_get_subject_key_id(gnutls_x509_crt_t cert, void *
12 ret, size_t * ret_size, unsigned int * critical);
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15 gnutls_x509_crt_t cert
16 should contain a gnutls_x509_crt_t type
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18 void * ret The place where the identifier will be copied
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20 size_t * ret_size
21 Holds the size of the result field.
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23 unsigned int * critical
24 will be non-zero if the extension is marked as critical
25 (may be null)
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28 This function will return the X.509v3 certificate's subject key identi‐
29 fier. This is obtained by the X.509 Subject Key identifier extension
30 field (2.5.29.14).
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33 On success, GNUTLS_E_SUCCESS [22m(0) is returned,
34 GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the extension is not present,
35 otherwise a negative error value.
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38 Report bugs to <bugs@gnutls.org>.
39 Home page: https://www.gnutls.org
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43 Copyright © 2001-2020 Free Software Foundation, Inc., and others.
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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49 The full documentation for gnutls is maintained as a Texinfo manual.
50 If the /usr/share/doc/gnutls/ directory does not contain the HTML form
51 visit
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53 https://www.gnutls.org/manual/
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55gnutls 3.6.13gnutls_x509_crt_get_subject_key_id(3)