gnutls_pkcs11_crt_is_known - API function
unsigned gnutls_pkcs11_crt_is_known(const char * url, gnutls_x509_crt_t cert, unsigned int flags);
This function will check whether the provided certificate is stored in the specified token. This is useful in combination with GNUTLS_PKCS11_OBJ_FLAG_RETRIEVE_TRUSTED or GNUTLS_PKCS11_OBJ_FLAG_RETRIEVE_DISTRUSTED, to check whether a CA is present or a certificate is blacklisted in a trust PKCS 11 module.
This function can be used with a url of "pkcs11:", and in that case all modules will be searched. To restrict the modules to the marked as trusted in p11-kit use the GNUTLS_PKCS11_OBJ_FLAG_PRESENT_IN_TRUSTED_MODULE flag.
Note that the flag GNUTLS_PKCS11_OBJ_FLAG_RETRIEVE_DISTRUSTED is specific to p11-kit trust modules.
If the certificate exists non-zero is returned, otherwise zero.
Report bugs to <email@example.com>.
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