#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "mod_fido2/fido2.h"

Functions
void	fido2_storage_set_slot_range (uint8_t ecc_start, uint8_t ecc_end, uint16_t rmem_start, uint16_t rmem_end)
	Configures FIDO2 storage slot ranges.
uint8_t	fido2_storage_ecc_start (void)
	Returns configured ECC start slot.
uint8_t	fido2_storage_ecc_end (void)
	Returns configured ECC end slot.
uint16_t	fido2_storage_rmem_start (void)
	Returns configured RMEM start slot.
uint16_t	fido2_storage_rmem_end (void)
	Returns configured RMEM end slot.
uint8_t	fido2_storage_init (void)
	Initialization and cache rebuild routines.
bool	fido2_storage_create_credential (const char rp_id, const uint8_t rp_id_hash, const uint8_t user_id, uint8_t user_id_len, const char user_name, bool resident_key, uint8_t cred_protect, uint8_t curve, uint8_t out_slot, uint8_t out_cred_id, uint8_t *out_pubkey)
	Creates or replaces credential in secure-element storage.
uint8_t	fido2_storage_get_curve (uint8_t slot)
	Returns stored curve identifier for slot.
bool	fido2_storage_get_credential (uint8_t slot, fido2_credential_info_t *info)
	Credential create/read/delete operations.
bool	fido2_storage_delete_credential (uint8_t slot)
	Deletes credential and associated slot data.
uint32_t	fido2_storage_increment_sign_count (uint8_t slot)
	Increments per-credential sign counter and persists metadata.
uint8_t	fido2_storage_count (void)
	Credential lookup operations using in-memory cache only.
bool	fido2_storage_slot_used (uint8_t slot)
	Checks whether logical slot is occupied.
int8_t	fido2_storage_find_free_slot (void)
	Finds first unused logical slot.
uint8_t	fido2_storage_find_by_rp (const uint8_t rp_id_hash, uint8_t out_slots, uint8_t max_slots)
	Finds credentials matching RP hash.
uint8_t	fido2_storage_find_by_rp_resident (const uint8_t rp_id_hash, uint8_t out_slots, uint8_t max_slots)
	Finds resident credentials matching RP hash.
int8_t	fido2_storage_find_by_rp_user (const uint8_t rp_id_hash, const uint8_t user_id, uint8_t user_id_len)
	Finds credential by RP hash and user handle for replacement logic.
bool	fido2_storage_is_resident (uint8_t slot)
	Returns resident-key flag for slot.
int8_t	fido2_storage_find_slot_by_cred_id (const uint8_t *cred_id, uint16_t cred_id_len)
	Resolves and verifies logical slot from credential-id blob.
bool	fido2_storage_get_user (uint8_t slot, uint8_t user_id, uint8_t user_id_len, char *user_name, size_t user_name_max)
	Loads user handle and optional user name for a credential slot.
bool	fido2_storage_verify_cred_id (uint8_t slot, const uint8_t *cred_id)
	Verifies credential-id for logical slot.
bool	fido2_storage_get_cred_id (uint8_t slot, uint8_t *out_cred_id)
	Builds credential-id blob for logical slot.
bool	fido2_storage_sign (uint8_t slot, const uint8_t msg, uint16_t msg_len, uint8_t signature, uint8_t *sig_len)
	Signing operations requiring secure-element access.
bool	fido2_storage_sign_raw (uint8_t slot, const uint8_t msg, uint16_t msg_len, uint8_t signature, uint8_t *sig_len)
	Signs message and returns raw signature (EdDSA/ECDSA).
bool	fido2_storage_sign_der (uint8_t slot, const uint8_t msg, uint16_t msg_len, uint8_t signature, uint8_t *sig_len)
	Signs data and returns DER-encoded signature for U2F compatibility.
bool	fido2_storage_get_pubkey (uint8_t slot, uint8_t *pubkey)
	Reads public key from secure-element slot.
void	fido2_storage_counter_load (void)
	NVS-backed global authentication counter operations.
uint32_t	fido2_storage_counter_get (void)
	Returns current global authentication counter.
bool	fido2_storage_counter_increment (void)
	Increments and persists global authentication counter.
bool	fido2_storage_counter_flush (void)
	No-op flush retained for API stability; per-increment path commits.

Function Documentation

◆ fido2_storage_count()

uint8_t fido2_storage_count ( void )

Credential lookup operations using in-memory cache only.

Get total credential count.

Returns number of cached credentials.

Returns: Credential count.

Definition at line 469 of file fido2_storage.cpp.

References g_storage.

Referenced by fido2_get_available_slots(), and fido2_get_credential_count().

◆ fido2_storage_counter_flush()

bool fido2_storage_counter_flush ( void )

No-op flush retained for API stability; per-increment path commits.

No-op flush kept for API stability; per-increment path commits.

Returns: true.; Always true.

Definition at line 413 of file fido2_storage.cpp.

Referenced by cdc::mod_fido2::Fido2Module::stop().

◆ fido2_storage_counter_get()

uint32_t fido2_storage_counter_get ( void )

Returns current global authentication counter.

Get global auth counter value.

Returns: Counter value.

Definition at line 366 of file fido2_storage.cpp.

References fido2_storage_counter_load(), and g_storage.

Referenced by fido2_get_auth_counter().

◆ fido2_storage_counter_increment()

bool fido2_storage_counter_increment ( void )

Increments and persists global authentication counter.

Increment and save global auth counter.

Returns: true if counter was successfully persisted to NVS; true on successful persistence.

Definition at line 377 of file fido2_storage.cpp.

References fido2_storage_counter_load(), g_storage, LOG_E, NVS_KEY_COUNTER, NVS_NAMESPACE, and TAG.

Referenced by fido2_increment_auth_counter().

◆ fido2_storage_counter_load()

void fido2_storage_counter_load ( void )

NVS-backed global authentication counter operations.

Load global auth counter from NVS.

Loads global authentication counter from NVS.

Definition at line 336 of file fido2_storage.cpp.

References g_storage, LOG_I, LOG_W, NVS_KEY_COUNTER, NVS_NAMESPACE, and TAG.

Referenced by fido2_storage_counter_get(), fido2_storage_counter_increment(), and fido2_storage_init().

◆ fido2_storage_create_credential()

bool fido2_storage_create_credential	(	const char *	rp_id,
		const uint8_t *	rp_id_hash,
		const uint8_t *	user_id,
		uint8_t	user_id_len,
		const char *	user_name,
		bool	resident_key,
		uint8_t	cred_protect,
		uint8_t	curve,
		uint8_t *	out_slot,
		uint8_t *	out_cred_id,
		uint8_t *	out_pubkey )

Creates or replaces credential in secure-element storage.

Create a new credential.

Parameters

rp_id	Relying Party ID string
rp_id_hash	SHA-256 hash of RP ID (32 bytes)
user_id	User handle (opaque bytes)
user_id_len	Length of user handle
user_name	Display name (can be empty)
resident_key	Store as discoverable credential
cred_protect	Credential protection level (0-3)
curve	CDC_CURVE_P256 or CDC_CURVE_ED25519
out_slot	Output: allocated slot index
out_cred_id	Output: credential ID (64 bytes)
out_pubkey	Output: public key (64 bytes for P-256 X\|\|Y, 32 bytes for Ed25519)

Returns: true on success

Parameters

rp_id	Relying-party id string.
rp_id_hash	RP ID hash (32 bytes).
user_id	User handle bytes.
user_id_len	User handle length.
user_name	User display name.
resident_key	Resident-key flag.
cred_protect	Credential protection policy.
curve	Requested key curve.
out_slot	Output logical slot.
out_cred_id	Output credential-id.
out_pubkey	Output public key bytes.

Returns: true on success.

Definition at line 759 of file fido2_storage.cpp.

References CDC_CURVE_ED25519, cred_protect, curve, ecc_slot_for_logical(), cdc::hal::ED25519, erase_slot_data(), FIDO2_CRED_ID_LEN, FIDO2_FLAG_RESIDENT, FIDO2_RMEM_MAGIC, FIDO2_RMEM_MAGIC_LEN, FIDO2_RP_ID_MAX_LEN, fido2_storage_find_by_rp_user(), fido2_storage_find_free_slot(), FIDO2_USER_ID_MAX_LEN, FIDO2_USER_NAME_MAX_LEN, g_storage, cdc::hal::getSecureElementInstance(), LOG_D, LOG_E, LOG_I, cdc::hal::OK, cdc::hal::P256, rp_id, rp_id_hash, TAG, update_cache_from_stored(), user_id, user_id_len, user_name, and write_rmem_credential().

Referenced by cdc::mod_fido2::create_credential_and_respond(), and u2f_register().

◆ fido2_storage_delete_credential()

bool fido2_storage_delete_credential ( uint8_t slot )

Deletes credential and associated slot data.

Delete credential by slot.

Parameters

slot	Logical slot index (0..count-1)

Returns: true on success

Parameters

slot	Logical slot index.

Returns: true on success.

Definition at line 892 of file fido2_storage.cpp.

References erase_slot_data(), g_storage, LOG_I, slot_logical_valid(), and TAG.

Referenced by ctap2_cred_management(), fido2_delete_credential(), fido2_factory_reset(), cdc::mod_fido2::mc_rollback_credential(), and u2f_register().

◆ fido2_storage_ecc_end()

uint8_t fido2_storage_ecc_end ( void )

Returns configured ECC end slot.

Returns: ECC end slot index.

Definition at line 111 of file fido2_storage.cpp.

References s_ecc_end.

Referenced by fido2_get_available_slots().

◆ fido2_storage_ecc_start()

uint8_t fido2_storage_ecc_start ( void )

Returns configured ECC start slot.

Returns: ECC start slot index.

Definition at line 105 of file fido2_storage.cpp.

References s_ecc_start.

Referenced by fido2_get_available_slots(), and cdc::mod_fido2::showDetail().

◆ fido2_storage_find_by_rp()

uint8_t fido2_storage_find_by_rp	(	const uint8_t *	rp_id_hash,
		uint8_t *	out_slots,
		uint8_t	max_slots )

Finds credentials matching RP hash.

Find credentials matching RP ID hash.

Parameters

rp_id_hash	SHA-256 of RP ID
out_slots	Array to store matching slot indices
max_slots	Array size

Returns: Number of matches

Parameters

rp_id_hash	RP ID hash (32 bytes).
out_slots	Output slot array.
max_slots	Maximum writable slots.

Returns: Number of matches.

Definition at line 504 of file fido2_storage.cpp.

References ecc_count(), FIDO2_MAX_CREDENTIALS, g_storage, and rp_id_hash.

Referenced by cdc::mod_fido2::check_appid_exclude(), fido2_find_credentials_by_rp(), and ga_find_credentials().

◆ fido2_storage_find_by_rp_resident()

uint8_t fido2_storage_find_by_rp_resident	(	const uint8_t *	rp_id_hash,
		uint8_t *	out_slots,
		uint8_t	max_slots )

Finds resident credentials matching RP hash.

Find resident (discoverable) credentials matching RP ID hash.

Parameters

rp_id_hash	SHA-256 of RP ID
out_slots	Array to store matching slot indices
max_slots	Array size

Returns: Number of matches

Parameters

rp_id_hash	RP ID hash (32 bytes).
out_slots	Output slot array.
max_slots	Maximum writable slots.

Returns: Number of matches.

Definition at line 526 of file fido2_storage.cpp.

References ecc_count(), FIDO2_MAX_CREDENTIALS, g_storage, LOG_D, rp_id_hash, and TAG.

◆ fido2_storage_find_by_rp_user()

int8_t fido2_storage_find_by_rp_user	(	const uint8_t *	rp_id_hash,
		const uint8_t *	user_id,
		uint8_t	user_id_len )

Finds credential by RP hash and user handle for replacement logic.

Find existing credential for same RP ID + User ID combination. Used to detect credentials that should be replaced (per FIDO2 spec).

Parameters

rp_id_hash	SHA-256 of RP ID
user_id	User handle
user_id_len	Length of user handle

Returns: Slot index if found, -1 if not found

Parameters

rp_id_hash	RP ID hash (32 bytes).
user_id	User handle bytes.
user_id_len	User handle length.

Returns: Matching slot index or -1.

Definition at line 564 of file fido2_storage.cpp.

References ecc_count(), FIDO2_MAX_CREDENTIALS, g_storage, LOG_D, rp_id_hash, TAG, user_id, and user_id_len.

Referenced by cdc::mod_fido2::ctap2_make_credential(), and fido2_storage_create_credential().

◆ fido2_storage_find_free_slot()

int8_t fido2_storage_find_free_slot ( void )

Finds first unused logical slot.

Find first free slot.

Returns: Slot index, or -1 if full; Logical slot index or -1 if full.

Definition at line 487 of file fido2_storage.cpp.

References ecc_count(), FIDO2_MAX_CREDENTIALS, and g_storage.

Referenced by fido2_storage_create_credential().

◆ fido2_storage_find_slot_by_cred_id()

int8_t fido2_storage_find_slot_by_cred_id	(	const uint8_t *	cred_id,
		uint16_t	cred_id_len )

Resolves and verifies logical slot from credential-id blob.

Find slot by credential ID.

Parameters

cred_id	Credential ID bytes
cred_id_len	Credential ID length

Returns: Slot index, or -1 if not found

Parameters

cred_id	Credential ID bytes.
cred_id_len	Credential ID length.

Returns: Slot index or -1 on mismatch.

Definition at line 598 of file fido2_storage.cpp.

References FIDO2_CRED_ID_LEN, fido2_storage_get_cred_id(), g_storage, and slot_logical_valid().

Referenced by ctap2_cred_management(), ga_parse_allow_list(), and u2f_authenticate().

◆ fido2_storage_get_cred_id()

bool fido2_storage_get_cred_id	(	uint8_t	slot,
		uint8_t *	out_cred_id )

Builds credential-id blob for logical slot.

Get credential ID for slot.

Parameters

slot	ECC slot index
out_cred_id	Output buffer (FIDO2_CRED_ID_LEN bytes)

Returns: true on success

Parameters

slot	Logical slot index.
out_cred_id	Output credential-id buffer.

Returns: true on success.

Definition at line 679 of file fido2_storage.cpp.

References FIDO2_CRED_ID_LEN, g_storage, LOG_E, read_rmem_credential(), slot_logical_valid(), and TAG.

Referenced by cred_mgmt_encode_credential(), ctap2_get_assertion(), ctap2_get_next_assertion(), fido2_storage_find_slot_by_cred_id(), and fido2_storage_verify_cred_id().

◆ fido2_storage_get_credential()

bool fido2_storage_get_credential	(	uint8_t	slot,
		fido2_credential_info_t *	info )

Credential create/read/delete operations.

Get credential info by slot.

Parameters

slot	Logical slot index (0..count-1)
info	Output structure

Returns: true if credential exists

Returns cached credential metadata for slot.

Parameters

slot	Logical slot index.
info	Output credential info.

Returns: true on success.

Definition at line 706 of file fido2_storage.cpp.

References FIDO2_RP_ID_MAX_LEN, fido2_storage_get_user(), FIDO2_USER_NAME_MAX_LEN, g_storage, slot_logical_valid(), and user_id_len.

Referenced by cred_mgmt_count_unique_rps(), cred_mgmt_encode_credential(), cred_mgmt_encode_rp(), cred_mgmt_find_creds_for_rp(), ctap2_get_assertion(), ctap2_get_next_assertion(), fido2_get_credential_info(), ga_find_credentials(), and u2f_authenticate().

◆ fido2_storage_get_curve()

uint8_t fido2_storage_get_curve ( uint8_t slot )

Returns stored curve identifier for slot.

Get curve type for a credential.

Parameters

slot	Logical slot index (0..count-1)

Returns: CDC_CURVE_P256 or CDC_CURVE_ED25519, or 0xFF on error

Parameters

slot	Logical slot index.

Returns: Curve id or 0xFF if invalid.

Definition at line 737 of file fido2_storage.cpp.

References g_storage, and slot_logical_valid().

◆ fido2_storage_get_pubkey()

bool fido2_storage_get_pubkey	(	uint8_t	slot,
		uint8_t *	pubkey )

Reads public key from secure-element slot.

Get public key for credential.

Parameters

slot	ECC slot index
pubkey	Output: uncompressed P-256 public key (65 bytes)

Returns: true on success

Parameters

slot	Logical slot index.
pubkey	Output public-key buffer.

Returns: true on success.

Definition at line 1062 of file fido2_storage.cpp.

References curve, ecc_slot_for_logical(), cdc::hal::getSecureElementInstance(), cdc::hal::OK, cdc::hal::P256, and slot_logical_valid().

Referenced by cred_mgmt_encode_credential(), cred_mgmt_slot_has_key(), and cdc::mod_fido2::showDetail().

◆ fido2_storage_get_user()

bool fido2_storage_get_user	(	uint8_t	slot,
		uint8_t *	user_id,
		uint8_t *	user_id_len,
		char *	user_name,
		size_t	user_name_max )

Loads user handle and optional user name for a credential slot.

Get user information for a credential slot.

Parameters

slot	ECC slot index
user_id	Output user handle buffer
user_id_len	Output user handle length
user_name	Output user name buffer (can be NULL)
user_name_max	Output buffer size for user_name

Returns: true on success

Parameters

slot	Logical slot index.
user_id	Output user-handle buffer.
user_id_len	Output user-handle length.
user_name	Output user-name buffer.
user_name_max	User-name buffer size.

Returns: true on success.

Definition at line 627 of file fido2_storage.cpp.

References FIDO2_USER_ID_MAX_LEN, FIDO2_USER_NAME_MAX_LEN, g_storage, read_rmem_credential(), slot_logical_valid(), user_id, user_id_len, and user_name.

Referenced by fido2_storage_get_credential().

◆ fido2_storage_increment_sign_count()

uint32_t fido2_storage_increment_sign_count ( uint8_t slot )

Increments per-credential sign counter and persists metadata.

Increment and get sign count for a credential.

Parameters

slot	Logical slot index

Returns: New sign count, or 0 on error

Parameters

slot	Logical slot index.

Returns: New sign count or 0 on failure.

Definition at line 915 of file fido2_storage.cpp.

References g_storage, LOG_E, read_rmem_credential(), slot_logical_valid(), TAG, and write_rmem_credential().

Referenced by ctap2_get_assertion(), ctap2_get_next_assertion(), and u2f_authenticate().

◆ fido2_storage_init()

uint8_t fido2_storage_init ( void )

Initialization and cache rebuild routines.

Initialize storage layer. Loads credential metadata from TROPIC01 cache.

Returns: Number of credentials found

Initializes FIDO2 storage cache from secure element and NVS.

Returns: Number of discovered credentials.

Definition at line 423 of file fido2_storage.cpp.

References ecc_count(), FIDO2_FLAG_RESIDENT, FIDO2_MAX_CREDENTIALS, fido2_storage_counter_load(), g_storage, cdc::hal::getSecureElementInstance(), LOG_D, LOG_E, LOG_I, read_rmem_credential(), rmem_count(), slot_range_valid(), TAG, and update_cache_from_stored().

Referenced by fido2_init().

◆ fido2_storage_is_resident()

bool fido2_storage_is_resident ( uint8_t slot )

Returns resident-key flag for slot.

Check if slot contains a resident (discoverable) credential.

Parameters

slot	Logical slot index.

Returns: true if resident credential.

Definition at line 552 of file fido2_storage.cpp.

References g_storage, and slot_logical_valid().

Referenced by cred_mgmt_count_unique_rps(), cred_mgmt_find_creds_for_rp(), and ctap2_cred_management().

◆ fido2_storage_rmem_end()

uint16_t fido2_storage_rmem_end ( void )

Returns configured RMEM end slot.

Returns: RMEM end slot index.

Definition at line 123 of file fido2_storage.cpp.

References s_rmem_end.

◆ fido2_storage_rmem_start()

uint16_t fido2_storage_rmem_start ( void )

Returns configured RMEM start slot.

Returns: RMEM start slot index.

Definition at line 117 of file fido2_storage.cpp.

References s_rmem_start.

◆ fido2_storage_set_slot_range()

void fido2_storage_set_slot_range	(	uint8_t	ecc_start,
		uint8_t	ecc_end,
		uint16_t	rmem_start,
		uint16_t	rmem_end )

Configures FIDO2 storage slot ranges.

Parameters

ecc_start	First ECC slot.
ecc_end	Last ECC slot.
rmem_start	First RMEM slot.
rmem_end	Last RMEM slot.

Definition at line 93 of file fido2_storage.cpp.

References s_ecc_end, s_ecc_start, s_rmem_end, and s_rmem_start.

Referenced by cdc::mod_fido2::Fido2Module::init().

◆ fido2_storage_sign()

bool fido2_storage_sign	(	uint8_t	slot,
		const uint8_t *	msg,
		uint16_t	msg_len,
		uint8_t *	signature,
		uint8_t *	sig_len )

Signing operations requiring secure-element access.

Sign raw message with credential key, returns DER-encoded signature. TROPIC01 computes SHA256(msg) internally before signing.

Parameters

slot	ECC slot index
Message transfer (badge-to-badge)	Raw message to sign (NOT a pre-computed hash!)
msg_len	Length of message
signature	Output DER-encoded signature
sig_len	Output signature length

Returns: true on success

Signs message hash with ECDSA and returns DER signature.

Parameters

slot	Logical slot index.
Message transfer (badge-to-badge)	Message bytes.
msg_len	Message length.
signature	Output signature buffer.
sig_len	Output signature length.

Returns: true on success.

Definition at line 947 of file fido2_storage.cpp.

References ecc_slot_for_logical(), FIDO2_SIG_SIZE, g_storage, cdc::hal::getSecureElementInstance(), LOG_D, LOG_E, cdc::hal::OK, raw_sig_to_der(), slot_logical_valid(), and TAG.

◆ fido2_storage_sign_der()

bool fido2_storage_sign_der	(	uint8_t	slot,
		const uint8_t *	msg,
		uint16_t	msg_len,
		uint8_t *	signature,
		uint8_t *	sig_len )

Signs data and returns DER-encoded signature for U2F compatibility.

Sign raw message with credential private key (TROPIC01 hashes internally). Returns DER-encoded signature for U2F compatibility.

Parameters

slot	ECC slot index
Message transfer (badge-to-badge)	Raw message to sign (authData \|\| clientDataHash)
msg_len	Message length
signature	Output DER-encoded signature
sig_len	Output signature length

Returns: true on success

Signs message hash and returns DER-encoded ECDSA signature.

Parameters

slot	Logical slot index.
Message transfer (badge-to-badge)	Message bytes.
msg_len	Message length.
signature	Output DER buffer.
sig_len	Output DER length.

Returns: true on success.

Definition at line 1030 of file fido2_storage.cpp.

References ecc_slot_for_logical(), FIDO2_SIG_SIZE, g_storage, cdc::hal::getSecureElementInstance(), LOG_D, LOG_E, cdc::hal::OK, raw_sig_to_der(), slot_logical_valid(), and TAG.

◆ fido2_storage_sign_raw()

bool fido2_storage_sign_raw	(	uint8_t	slot,
		const uint8_t *	msg,
		uint16_t	msg_len,
		uint8_t *	signature,
		uint8_t *	sig_len )

Signs message and returns raw signature (EdDSA/ECDSA).

Sign raw message with credential private key (TROPIC01 hashes internally). Returns raw signature format (r || s = 64 bytes) for CTAP2/WebAuthn.

Parameters

slot	ECC slot index
Message transfer (badge-to-badge)	Raw message to sign (authData \|\| clientDataHash)
msg_len	Message length
signature	Output raw signature (64 bytes)
sig_len	Output signature length (always 64)

Returns: true on success

Parameters

slot	Logical slot index.
Message transfer (badge-to-badge)	Message bytes.
msg_len	Message length.
signature	Output raw signature buffer.
sig_len	Output signature length.

Returns: true on success.

Definition at line 982 of file fido2_storage.cpp.

References CDC_CURVE_ED25519, curve, ecc_slot_for_logical(), FIDO2_SIG_SIZE, g_storage, cdc::hal::getSecureElementInstance(), LOG_D, LOG_E, cdc::hal::OK, slot_logical_valid(), and TAG.

Referenced by ctap2_get_next_assertion(), ga_sign_assertion(), and u2f_authenticate().

◆ fido2_storage_slot_used()

bool fido2_storage_slot_used ( uint8_t slot )

Checks whether logical slot is occupied.

Check if slot has a credential.

Parameters

slot	Logical slot index.

Returns: true if used.

Definition at line 478 of file fido2_storage.cpp.

References g_storage, and slot_logical_valid().

Referenced by fido2_factory_reset(), and fido2_get_credential_info().

◆ fido2_storage_verify_cred_id()

bool fido2_storage_verify_cred_id	(	uint8_t	slot,
		const uint8_t *	cred_id )

Verifies credential-id for logical slot.

Verify credential ID belongs to slot.

Parameters

slot	ECC slot index
cred_id	Credential ID to verify

Returns: true if matches

Parameters

slot	Logical slot index.
cred_id	Credential ID bytes.

Returns: true if credential-id matches slot data.

Definition at line 664 of file fido2_storage.cpp.

References FIDO2_CRED_ID_LEN, and fido2_storage_get_cred_id().

Functions

Function Documentation

◆ fido2_storage_count()

◆ fido2_storage_counter_flush()

◆ fido2_storage_counter_get()

◆ fido2_storage_counter_increment()

◆ fido2_storage_counter_load()

◆ fido2_storage_create_credential()

◆ fido2_storage_delete_credential()

◆ fido2_storage_ecc_end()

◆ fido2_storage_ecc_start()

◆ fido2_storage_find_by_rp()

◆ fido2_storage_find_by_rp_resident()

◆ fido2_storage_find_by_rp_user()

◆ fido2_storage_find_free_slot()

◆ fido2_storage_find_slot_by_cred_id()

◆ fido2_storage_get_cred_id()

◆ fido2_storage_get_credential()

◆ fido2_storage_get_curve()

◆ fido2_storage_get_pubkey()

◆ fido2_storage_get_user()

◆ fido2_storage_increment_sign_count()

◆ fido2_storage_init()

◆ fido2_storage_is_resident()

◆ fido2_storage_rmem_end()

◆ fido2_storage_rmem_start()

◆ fido2_storage_set_slot_range()

◆ fido2_storage_sign()

◆ fido2_storage_sign_der()

◆ fido2_storage_sign_raw()

◆ fido2_storage_slot_used()

◆ fido2_storage_verify_cred_id()