gnutls_x509_crq_get_key_usage(3) | gnutls | gnutls_x509_crq_get_key_usage(3) |
gnutls_x509_crq_get_key_usage - API function
#include <gnutls/x509.h>
int gnutls_x509_crq_get_key_usage(gnutls_x509_crq_t crq, unsigned int * key_usage, unsigned int * critical);
This function will return certificate's key usage, by reading the keyUsage X.509 extension (2.5.29.15). The key usage value will ORed values of the: GNUTLS_KEY_DIGITAL_SIGNATURE, GNUTLS_KEY_NON_REPUDIATION, GNUTLS_KEY_KEY_ENCIPHERMENT, GNUTLS_KEY_DATA_ENCIPHERMENT, GNUTLS_KEY_KEY_AGREEMENT, GNUTLS_KEY_KEY_CERT_SIGN, GNUTLS_KEY_CRL_SIGN, GNUTLS_KEY_ENCIPHER_ONLY, GNUTLS_KEY_DECIPHER_ONLY.
the certificate key usage, or a negative error code in case of parsing error. If the certificate does not contain the keyUsage extension GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
2.8.0
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Copyright © 2001- Free Software Foundation, Inc., and
others.
Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice and
this notice are preserved.
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
3.7.1 | gnutls |