Class ChallengeResponseHelper

Challenge-response helper for ESP RainMaker provisioning flow. Handles protobuf creation, device communication, and response parsing.

Index

Constructors

Methods

checkChallengeResponseCapability createChallengeRequest parseAndValidateDeviceResponse validateChallengeResponse

Constructors

constructor

new ChallengeResponseHelper(): ChallengeResponseHelper
Returns ChallengeResponseHelper

Methods

`Static`checkChallengeResponseCapability

checkChallengeResponseCapability(versionInfo: { [key: string]: any }): boolean
Checks if the ESP device supports challenge-response authentication flow. Challenge-response is indicated by "ch_resp" in the device's rmaker_extra.cap array
Parameters
- versionInfo: { [key: string]: any }
  The version info object from the ESP device
Returns boolean
true if challenge-response is supported, false otherwise
- Defined in src/services/ESPRMHelpers/ChallengeResponseHelper.ts:140

`Static`createChallengeRequest

createChallengeRequest(challenge: string): Uint8Array
Creates a challenge request payload using the esp_rmaker_chal_resp proto.
Parameters
- challenge: string
Returns Uint8Array
- Defined in src/services/ESPRMHelpers/ChallengeResponseHelper.ts:31

`Static`parseAndValidateDeviceResponse

parseAndValidateDeviceResponse(
responseData: Uint8Array,
): DeviceChallengeResponse
Parses the device response from challenge-response protocol and validates format (success, nodeId, signedChallenge present, signedChallenge is valid hex).
Parameters
- responseData: Uint8Array
Returns DeviceChallengeResponse
- Defined in src/services/ESPRMHelpers/ChallengeResponseHelper.ts:81

`Static`validateChallengeResponse

validateChallengeResponse(response: DeviceChallengeResponse): boolean
Validates challenge response format (success, nodeId, signedChallenge as hex).
Parameters
- response: DeviceChallengeResponse
Returns boolean
- Defined in src/services/ESPRMHelpers/ChallengeResponseHelper.ts:125