fido_dev_get_assert — obtains an assertion from a FIDO2 device

The fido_dev_get_assert() function asks the FIDO2 device represented by dev for an assertion according to the following parameters defined in assert: -relyingpartyID; -clientdatahash; -listofallowedcredentialIDs; -userpresenceanduserverificationattributes. See fido_assert_set_authdata(3) for information on how these values are set. If a PIN is not needed to authenticate the request against dev, then pin may be NULL. Otherwise pin must point to a NUL-terminated UTF-8 string. After a successful call to fido_dev_get_assert(), the fido_assert_count(3), fido_assert_user_display_name(3), fido_assert_user_icon(3), fido_assert_user_name(3), fido_assert_authdata_ptr(3), fido_assert_user_id_ptr(3), fido_assert_sig_ptr(3), and fido_assert_sigcount(3) functions may be invoked on assert to retrieve the various attributes of the generated assertion. Please note that fido_dev_get_assert() is synchronous and will block if necessary.

fido_dev_get_assert — obtains an assertion from a FIDO2 device

The error codes returned by fido_dev_get_assert() are defined in <fido/err.h>. On success, FIDO_OK is returned.

fido_assert_new(3), fido_assert_set_authdata(3) Debian May 24, 2018 FIDO_DEV_GET_ASSERT(3)

#include<fido.h>intfido_dev_get_assert(fido_dev_t*dev, fido_assert_t*assert, constchar*pin);