How to implement airkiss in golang

With the popularity of Internet of Things technology, smart homes are becoming more and more popular. Due to the current network layout and the existing domestic network environment, WIFI has become the most important way to connect IoT devices. Airkiss became a smart home device pairing technology that became popular in 2014.

The core advantage of Airkiss is fast and simple pairing. Users only need to enter the WIFI password in the APP, then point the phone at a close distance (about 10 cm) to the device, and press the pairing button to complete the connection of the device. . In terms of implementation, Airkiss searches for available WIFI names and passwords in surrounding network nodes through a broadcast of about 100ms.

Golang is a very popular programming language in recent years. It is favored by everyone for its high concurrency and high efficiency. Against this background, this article will introduce how to implement Airkiss in Golang.

1. Airkiss implementation principle

Airkiss technology has the following three core components:

1. Two-way data transmission

The device and mobile phone adopt a similar ping method The -pong method continuously transmits data in both directions to achieve the effect of mutual confirmation between both parties.

2. Iterative encryption algorithm implementation

The device serializes the WIFI SSID (that is, the name of the WIFI) and password into a transmittable format through an algorithm with automatic verification.

3. Interaction between hardware and software

The sending and receiving of data on the hardware and the interaction with the software are implemented through the encapsulated API.

2. Use Golang to implement Airkiss

To implement Airkiss in Golang, we need to implement the following three core functions:

1. Implement two-way data transmission

In order to implement two-way data transmission, Golang can use channel implementation.

2. Implement iterative encryption algorithm

In Golang, we can use the golang.org/x/crypto library for encryption and decryption.

3. Realize the interaction between hardware and software

For the interaction between hardware and software, you can use the Gobot library to achieve it. It is an automation, robot, and Control library for drones and other equipment.

3. Code Implementation

The following is a sample code for implementing Airkiss in Golang.

package main

import (
    "fmt"
    "github.com/hybridgroup/gobot"
    "github.com/hybridgroup/gobot/platforms/mqtt"
)

func main() {
    mqttAdaptor := mqtt.NewTCPAdaptor("tcp://127.0.0.1:1883", "CLIENTID")
    mqttAdaptor.Connect()

    work := func() {
        gobot.Every(time.Second, func() {
            mqttAdaptor.Publish("Airkiss", []byte("Hello, Airkiss!"))
        })
    }

    robot := gobot.NewRobot("airkissBot",
        []gobot.Connection{mqttAdaptor},
        work,
    )

    robot.Start()
}

Through the above code, we can receive messages from the device and send them to the server in real time.

Summary:

This article introduces the method of implementing Airkiss in Golang, and also provides sample code for implementing Airkiss in Golang for readers' reference. However, it should be noted that there are loopholes in the Airkiss pairing process and may be hacked. In practical applications, corresponding safety reinforcement measures are also required.

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