gnutls_x509_crt_get_subject_key_id - API function

gnutls_x509_crt_t cert should contain a gnutls_x509_crt_t type void * ret The place where the identifier will be copied size_t * ret_size Holds the size of the result field. unsigned int * critical will be non-zero if the extension is marked as critical (may be null)

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This function will return the X.509v3 certificate's subject key identifier. This is obtained by the X.509 Subject Key identifier extension field (2.5.29.14).

gnutls_x509_crt_get_subject_key_id - API function

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On success, GNUTLS_E_SUCCESS (0) is returned, GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the extension is not present, otherwise a negative error value.

The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit https://www.gnutls.org/manual/ gnutls 3.8.9 gnutls_x509_crt_get_subject_key_id(3)