FIDO2 CTAP utility helper. More...

Detailed Description

FIDO2 CTAP utility helper.

Files
file	ctap_utils.h
	Definition for CTAP utility functions.

Functions
void	fido2_ctap_utils_wait_for_user_presence (void)
	LED animation to indicate that user action is required.

ctap_status_code_t	fido2_ctap_utils_init_gpio_pin (gpio_t pin, gpio_mode_t mode, gpio_flank_t flank)
	Initialize button to be used for user presence test.

ctap_status_code_t	fido2_ctap_utils_user_presence_test (void)
	Test user presence.

static int	fido2_ctap_utils_cred_cmp (const void k1, const void k2)
	Compare fido2 credentials based on id to find more recent one.

static bool	fido2_ctap_utils_ks_equal (const ctap_resident_key_t k1, const ctap_resident_key_t k2)
	Check equality of resident keys based on rp_id_hash and user_id.

Function Documentation

static int fido2_ctap_utils_cred_cmp	(	const void *	k1,
		const void *	k2 )

inlinestatic

Compare fido2 credentials based on id to find more recent one.

The more recent credential has a higher id. Therefore we sort in descending order.

Parameters

[in]	k1	first resident key
[in]	k2	second resident key

Definition at line 65 of file ctap_utils.h.

ctap_status_code_t fido2_ctap_utils_init_gpio_pin	(	gpio_t	pin,
		gpio_mode_t	mode,
		gpio_flank_t	flank )

Initialize button to be used for user presence test.

static bool fido2_ctap_utils_ks_equal	(	const ctap_resident_key_t *	k1,
		const ctap_resident_key_t *	k2 )

inlinestatic

Check equality of resident keys based on rp_id_hash and user_id.

Parameters

[in]	k1	first resident key
[in]	k2	second resident key

Definition at line 82 of file ctap_utils.h.

ctap_status_code_t fido2_ctap_utils_user_presence_test ( void )

Test user presence.

Successful if user clicks button in less than CTAP_UP_TIMEOUT