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feat(nan): Add support for NAN Pairing Verification

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- Add nira attr and verification for pasn auth frames
- Refine key clearing and pairing complete logic for pasn verify
- Add NIRA own-service resolution, cached NIK checks, and dynamic
  pairing IE construction for bootstrap vs verify paths.
- Replace NAN bootstrap events by private callbacks
This commit is contained in:
Sajia
2026-06-30 12:58:41 +05:30
committed by Nachiket Kukade
parent 8b8a2115e4
commit c18887b05c
18 changed files with 1641 additions and 533 deletions
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components/esp_wifi/include/esp_private/wifi.h
+33
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@@ -106,6 +106,7 @@ struct nan_cb_peer_info {
uint16_t ssi_len; /**< SSI length in bytes */
wifi_nan_peer_sdf_security_t *peer_security_params; /**< Peer's discovery security params parsed from SDF */
nan_vendor_ie_t *vendor_ie; /**< Vendor-specific IE, if any */
bool nira_verified; /**< true when received NIRA tag verified against cached NIK */
};
/* NDP Peer info parsed from NAF. */
@@ -196,6 +197,7 @@ struct nan_sync_callbacks {
uint32_t (* get_nira_len)(void);
int (* construct_nira)(uint8_t *frm);
bool (*verify_nira)(uint8_t *peer_mac, uint8_t *nira_attr, uint16_t nira_attr_len);
bool (*peer_nik_cached)(uint8_t *peer_mac);
};
/* Host helpers for NAN encrypted-datapath, registered via
@@ -1201,6 +1203,19 @@ uint32_t esp_nan_get_nira_len(void);
*/
int esp_nan_construct_nira(uint8_t *frm);
/**
* @brief Construct a NAN Cipher Suite Info Attribute (CSIA)
*
* @param[out] frm Buffer to write the attribute to
* @param[in] pub_id Publish service instance id
* @param[in] own_csid_bitmap Locally supported cipher suite bitmap
* @param[in] peer_csid_bitmap Peer cipher suite bitmap, or 0 to use own bitmap
*
* @return Number of bytes written, or 0 on failure/no cipher suite
*/
int esp_nan_construct_csia(uint8_t *frm, uint8_t pub_id,
uint16_t own_csid_bitmap, uint16_t peer_csid_bitmap);
/**
* @brief Verify a received NAN Identity Resolution Attribute (NIRA)
*
@@ -1212,6 +1227,24 @@ int esp_nan_construct_nira(uint8_t *frm);
*/
bool esp_nan_verify_nira(uint8_t *peer_mac, uint8_t *nira_attr, uint16_t nira_attr_len);
/**
* @brief Verify a received NIRA and resolve the matched own service id
*
* Behaves like @ref esp_nan_verify_nira but additionally outputs the local
* service instance id the verifying NIK maps to, used to anchor a pairing
* verify-session flag. @p own_inst_id is set to 0 when the identity does not
* resolve to an active local service.
*
* @param[in] peer_mac NMI of the sender
* @param[in] nira_attr NIRA attribute buffer
* @param[in] nira_attr_len Attribute length in bytes
* @param[out] own_inst_id Resolved own service instance id (0 if none)
*
* @return true if the tag matches, false otherwise
*/
bool esp_nan_verify_nira_get_own_svc(uint8_t *peer_mac, uint8_t *nira_attr,
uint16_t nira_attr_len, uint8_t *own_inst_id);
/**
* @brief Get the time information from the MAC clock. The time is precise only if modem sleep or light sleep is not enabled.
*