DOKK / manpages / debian 12 / gnutls-doc / gnutls_x509_crt_check_key_purpose.3.en
gnutls_x509_crt_check_key_purpose(3) gnutls gnutls_x509_crt_check_key_purpose(3)

gnutls_x509_crt_check_key_purpose - API function

#include <gnutls/x509.h>

unsigned gnutls_x509_crt_check_key_purpose(gnutls_x509_crt_t cert, const char * purpose, unsigned flags);

should contain a gnutls_x509_crt_t type
a key purpose OID (e.g., GNUTLS_KP_CODE_SIGNING)
zero or GNUTLS_KP_FLAG_DISALLOW_ANY

This function will check whether the given certificate matches the provided key purpose. If flags contains GNUTLS_KP_FLAG_ALLOW_ANY then it a certificate marked for any purpose will not match.

zero if the key purpose doesn't match, and non-zero otherwise.

3.5.6

Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

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