Builds a presigned wss:// URL for AWS IoT Core MQTT over WebSocket using query-string SigV4 (service iotdevicegateway, signed headers: host).
wss://
iotdevicegateway
host
Same signing flow as HTTP SigV4 in this module (calculateSignature, canonical request layout).
calculateSignature
Builds a presigned
wss://URL for AWS IoT Core MQTT over WebSocket using query-string SigV4 (serviceiotdevicegateway, signed headers:host).Same signing flow as HTTP SigV4 in this module (
calculateSignature, canonical request layout).