ESP8266 – WiFiServerSecure库 – setRSACert

位置导航: ESP8266库 / WiFiServerSecure库 / 本页

说明

通过WiFiServerSecure语句，我们可以建立WiFiServerSecure对象从而使用ESP8266建立支持HTTPS协议的物联网服务器。

语法

server.setRSACert(cert, privateKey)

参数

– cert: 服务器证书
– privateKey:服务器私钥

返回值

无

示例程序

为了演示本实例程序的运行结果，我在这里使用基于Chrome内核的Microsoft Edge浏览器来进行示例程序操作演示。

请务必注意：本示例程序所使用的证书和密钥只能用于测试使用。您在自己搭建ESP8266物联网项目时，需要自行建立证书密钥而不要使用本示例中的证书和密钥。

当您将以下示例程序中的WiFi连接信息修改并且将本示例程序上传ESP8266开发板后，开发板随即会自动连接WiFi。WiFi连接成功后，您将可以从串口监视器获取当前ESP8266开发板的IP地址。此时，ESP8266已经成功建立了支持HTTPS协议的网络服务器。您可以通过ESP8266的IP地址来访问该网络服务器。

假设您的ESP8266开发板IP地址是192.168.0.111。那么接下来您可以通过浏览器输入

https://192.168.0.111。

注意一定要在ESP8266的IP地址前面加上“https//”。这一操作将会让浏览器通过https协议访问ESP8266所建立的服务器。如果不输入这一信息，浏览器默认会使用http协议而不是https协议。也就达不到我们想要实现的效果。（如下图所示）

当您如上图所示输入完IP地址后，接下来请按下回车键。您将在浏览器中看到如下警告信息。这很正常，因为ESP8266的服务器证书不是CA颁布的证书，所以浏览器会警告我们，它无法确定ESP8266服务器的身份信息。请忽略这一警告信息，并按照下图所示，点击按钮。

接下来您将看到如下图所示的信息。该信息正是详细说明为何无法验证ESP8266服务器身份的原因。我们需要继续忽略这一警告信息，并按照下图所示，点击链接。

如下图所示，您将看到浏览器中出现了“Hello from ESP8266”信息。这一信息是由ESP8266服务器发来的。说明我们的ESP8266服务器已经可以通过HTTPS协议进行数据通讯了。

以下示例程序中我们首先使用语句 X509List *serverCertList = new BearSSL::X509List(server_cert);建立X509List对象用于处理及储存服务器证书。接下来我们使用了语句PrivateKey *serverPrivKey = new BearSSL::PrivateKey(server_private_key);建立PrivateKey对象用于处理及储存服务器私钥。最后我们使用语句server.setRSACert(serverCertList, serverPrivKey);设置服务器证书和服务器私钥。具体使用方法，请见以下程序的高亮部分。

/**********************************************************************
项目名称/Project          : 零基础入门学用物联网
程序名称/Program name     : WiFiServerSecure_setRSACert
团队/Team                : 太极创客团队 / Taichi-Maker (www.taichi-maker.com)
作者/Author              : CYNO朔
日期/Date（YYYYMMDD）     : 20200421
程序目的/Purpose          : 
此程序用于演示如何使用使用WiFiServerSecure库的setRSACert来为服务器设置证书和私钥。

本示例程序借鉴ESP8266库中BearSSL_Server示例程序，该程序作者Earle F. Philhower, III
-----------------------------------------------------------------------
本示例程序为太极创客团队制作的《零基础入门学用物联网》中示例程序。
该教程为对物联网开发感兴趣的朋友所设计和制作。如需了解更多该教程的信息，请参考以下网页：
http://www.taichi-maker.com/homepage/esp8266-nodemcu-iot/
***********************************************************************/
#include <ESP8266WiFi.h>
#include <time.h>

// WiFi连接信息
const char *ssid = "taichimaker";// WiFi名称
const char *pass = "12345678";   // WiFi密码

// 建立WiFiServerSecure对象
WiFiServerSecure server(443);

// 建立服务器响应信息
static const char *HTTP_RES =
        "HTTP/1.0 200 OK\r\n"
        "Connection: close\r\n"
        "Content-Length: 62\r\n"
        "Content-Type: text/html; charset=iso-8859-1\r\n"
        "\r\n"
        "<html>\r\n"
        "<body>\r\n"
        "<p>Hello from ESP8266!</p>\r\n"
        "</body>\r\n"
        "</html>\r\n";

//服务器私钥
const char server_private_key[] PROGMEM = R"EOF(
-----BEGIN PRIVATE KEY-----
MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDhDf/pokuS+FQO
MPxiDTPMDZEFQjFoy/uCwiN4MebPg+IcXMVx2o6MSn8x9ofAatwAOq/dYoExhev1
HN2C3O4ZjjFACsryL6hYXaKG+qHiNEfvHgPTw0olWsDm9N01CcQs7lJqW2wmM5JM
xXP8ZU0rcUU70qWCUUTR+rN8WE4QHTd7BjP6OTvqjN7Al4ibg8//7owXlSECnM1B
SKIZQZ6g0QcWLf+rSn6hRrbHPGIkp5RZTIGZ7k9zgUfHQezKKYtRZXRtUhB5JW78
ZyGYaphaek5WlkgakL2pbM/Q/DgKew/2k0najKUjmkz+gxtof4vlmZAojSaN2647
labAbuydAgMBAAECggEAYHi806zDUpvqhC7RcUKRio3iNWvbfD28cZ/AzpwtgZTa
DyhhZt22L0Mb5RH1vTDRX7PIgVDhapYqwGaAOcF0uzWtvPMjbc+qDT8OFWhIjou0
rjaik1rqZLrTZ+1dCYhHNK9wWrEX2gRPWWNmxbGy88VZVTyFwCgQJSafW9UKmXLu
4KUTILHcyGsEfVBxth8Vr9uWuNWa6nRW/tb/3uNwRn1ATKV6h+HFgBHxgfkSN11G
wZfdSRzuov7Y09qGbIHZmeoBYG8iNJ/A4qOhaMJis1Qmt6mjpBzUJRxGriZIHh2E
znoM85Uejc8cqSnWH8mA8PPT4xDwCbv2ueT9bT5HYQKBgQD25qFyjx+Bbzsbok2a
lF7wQiN5WbzA5zdCusecTO+Fi2HkrKODFSQdaCHxl/kFKcy7NxYZjeIcNZzf6vnC
B2Hyrm3B/eeCJ+WoTm/ajfS6dxgt2aO48An+wFAyb7qGdBBrPr+hvn3RG5hbupEM
bGJnBhRfpcq0+9+JcqMfcAUkuQKBgQDpWUMtfuukR+hwkHhbs68FyXbGxnHMGYth
sLRWmbmK6OVmSKWDU5kRPlMckztqUReJdE+x6fbvBDbW/cIi83mQa0+7KTxLajoj
zoCV6CKZz4dATURlisTtfqVCjQP/wHJ4y6E270Ar80CM/0AT8gw+HrWGLeCa+MQN
L0Qg/u5dBQKBgDAsUaXbfQcxH7RFl6SofFmeXfOIacatll+jt9ysOjOxPVlzwbeK
wXAnaDAOOd0jCbohhmNYBp0AbOpXm4GbFSZXmDy4gJoplKqhGzvmZLCZGhOgGky0
MQ8OkNc2a4teS/HQ3Wz+kOfi3XhQT4q//vcg/Yqn+4QSfMwBnQg+QBKpAoGAdUch
ljoV4Ikrb3eMpjoWmwf4JEsUYonsHXscB/JW6FPJB7E3TluzsJDsYI427GY5OCI2
86otK0+o6EC9U6eez1C/z8cXwKdw9RISWkVDLp640T6EQ6yM8PgXwuzwt5dXcRKW
we9ZBz3IkZSv9dZPBOGWRgvEuN6SWjYJPbQixKkCgYA+plfKhE+f+ofA7wWkmfo3
1cyJmyBCL9ROwfzRlo1ftttYy1XHOLxpe2ts+hh+pqrftGdura1X0TuY6v7d1mk1
snuyj7+E37PjIewk4nr45PU4OWwqW2Pqx4BZAYosU+ki1z12rh3ofZhudBH6B5nN
TPhoHwGbAajgSzHYYG8koQ==
-----END PRIVATE KEY-----
)EOF";

// 服务器证书
const char server_cert[] PROGMEM = R"EOF(
-----BEGIN CERTIFICATE-----
MIIEQzCCAyugAwIBAgIUCUSExaDX4tk9VoMXia7kABA2pewwDQYJKoZIhvcNAQEL
BQAwgbAxCzAJBgNVBAYTAkNOMRAwDgYDVQQIDAdCZWlqaW5nMRAwDgYDVQQHDAdC
ZWlqaW5nMRUwEwYDVQQKDAxUYWljaGktTWFrZXIxDDAKBgNVBAsMA0lPVDEQMA4G
A1UEAwwHRVNQODI2NjFGMEQGCSqGSIb3DQEJARY3dGFpY2hpYW1rZXJAG1tEG1tE
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N3RhaWNoaWFta2VyQBtbRBtbRBtbRBsbW0MbG1tDG1tDG1tDG3RhaWNoaW1ha2Vy
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M5JMxXP8ZU0rcUU70qWCUUTR+rN8WE4QHTd7BjP6OTvqjN7Al4ibg8//7owXlSEC
nM1BSKIZQZ6g0QcWLf+rSn6hRrbHPGIkp5RZTIGZ7k9zgUfHQezKKYtRZXRtUhB5
JW78ZyGYaphaek5WlkgakL2pbM/Q/DgKew/2k0najKUjmkz+gxtof4vlmZAojSaN
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ZE9HfrZbaVRzIR7GPmIzjhdepBK8gPvQoqIHVLM6WTY5/2voGOUPB7NLjDtvVpFN
GG3KpNjC6msfywWTCAAB3oNSHeQsy01DD6FSQHGjBZZiXo7P7MOFz/D5+z61OBy0
UiCGi08UjVAodMTfTHNxGZW9D2yLzuKLfewbtcbeje2MACiXLDuIS+ed8YgXn7UH
2SNfx1DhsSGueWgEMISsqJUMgU02IrTu3VViSE7eXoRQkLEdeiGI
-----END CERTIFICATE-----
)EOF";

void setup() {
  Serial.begin(9600);
  Serial.println();

  // 连接 WiFi
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, pass);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");

  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

  // 建立X509List对象用于处理及储存服务器证书
  X509List *serverCertList = new BearSSL::X509List(server_cert);
  
  // 建立PrivateKey对象用于处理及储存服务器私钥
  PrivateKey *serverPrivKey = new BearSSL::PrivateKey(server_private_key);

  // 设置服务器证书和服务器私钥
  server.setRSACert(serverCertList, serverPrivKey);

  // 启动服务器
  server.begin();
}

void loop() {
  static int cnt;
  BearSSL::WiFiClientSecure incoming = server.available();
  if (!incoming) {
    return;
  }
  Serial.printf("Incoming connection...%d\n",cnt++);
  
  // 等待客户端发送请求
  uint32_t timeout=millis() + 1000;
  int lcwn = 0;
  for (;;) {
    unsigned char x=0;
    if ((millis() > timeout) || (incoming.available() && incoming.read(&x, 1) < 0)) {
      incoming.stop();
      Serial.printf("Connection error, closed\n");
      return;
    } else if (!x) {
      yield();
      continue;
    } else if (x == 0x0D) {
      continue;
    } else if (x == 0x0A) {
      if (lcwn) {
        break;
      }
      lcwn = 1;
    } else
      lcwn = 0;
  }
  // 发送响应信息
  incoming.write((uint8_t*)HTTP_RES, strlen(HTTP_RES));
  incoming.flush();
  incoming.stop();
  Serial.printf("Connection closed.\n");
}

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/**********************************************************************

项目名称/Project : 零基础入门学用物联网

程序名称/Program name : WiFiServerSecure_setRSACert

团队/Team : 太极创客团队 / Taichi-Maker (www.taichi-maker.com)

作者/Author : CYNO朔

日期/Date（YYYYMMDD） : 20200421

程序目的/Purpose :

此程序用于演示如何使用使用WiFiServerSecure库的setRSACert来为服务器设置证书和私钥。

本示例程序借鉴ESP8266库中BearSSL_Server示例程序，该程序作者Earle F. Philhower, III

-----------------------------------------------------------------------

本示例程序为太极创客团队制作的《零基础入门学用物联网》中示例程序。

该教程为对物联网开发感兴趣的朋友所设计和制作。如需了解更多该教程的信息，请参考以下网页：

http://www.taichi-maker.com/homepage/esp8266-nodemcu-iot/

***********************************************************************/

#include <ESP8266WiFi.h>

#include <time.h>

// WiFi连接信息

const char *ssid = "taichimaker";// WiFi名称

const char *pass = "12345678"; // WiFi密码

// 建立WiFiServerSecure对象

WiFiServerSecure server(443);

// 建立服务器响应信息

static const char *HTTP_RES =

"HTTP/1.0 200 OK\r\n"

"Connection: close\r\n"

"Content-Length: 62\r\n"

"Content-Type: text/html; charset=iso-8859-1\r\n"

"\r\n"

"<html>\r\n"

"<body>\r\n"

"<p>Hello from ESP8266!</p>\r\n"

"</body>\r\n"

"</html>\r\n";

//服务器私钥

const char server_private_key[] PROGMEM = R"EOF(

-----BEGIN PRIVATE KEY-----

MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDhDf/pokuS+FQO

MPxiDTPMDZEFQjFoy/uCwiN4MebPg+IcXMVx2o6MSn8x9ofAatwAOq/dYoExhev1

HN2C3O4ZjjFACsryL6hYXaKG+qHiNEfvHgPTw0olWsDm9N01CcQs7lJqW2wmM5JM

xXP8ZU0rcUU70qWCUUTR+rN8WE4QHTd7BjP6OTvqjN7Al4ibg8//7owXlSECnM1B

SKIZQZ6g0QcWLf+rSn6hRrbHPGIkp5RZTIGZ7k9zgUfHQezKKYtRZXRtUhB5JW78

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TPhoHwGbAajgSzHYYG8koQ==

-----END PRIVATE KEY-----

)EOF";

// 服务器证书

const char server_cert[] PROGMEM = R"EOF(

-----BEGIN CERTIFICATE-----

MIIEQzCCAyugAwIBAgIUCUSExaDX4tk9VoMXia7kABA2pewwDQYJKoZIhvcNAQEL

BQAwgbAxCzAJBgNVBAYTAkNOMRAwDgYDVQQIDAdCZWlqaW5nMRAwDgYDVQQHDAdC

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2SNfx1DhsSGueWgEMISsqJUMgU02IrTu3VViSE7eXoRQkLEdeiGI

-----END CERTIFICATE-----

)EOF";

void setup() {

Serial.begin(9600);

Serial.println();

// 连接 WiFi

Serial.print("Connecting to ");

Serial.println(ssid);

WiFi.mode(WIFI_STA);

WiFi.begin(ssid, pass);

while (WiFi.status() != WL_CONNECTED) {

delay(500);

Serial.print(".");

}

Serial.println("");

Serial.println("WiFi connected");

Serial.println("IP address: ");

Serial.println(WiFi.localIP());

// 建立X509List对象用于处理及储存服务器证书

X509List *serverCertList = new BearSSL::X509List(server_cert);

// 建立PrivateKey对象用于处理及储存服务器私钥

PrivateKey *serverPrivKey = new BearSSL::PrivateKey(server_private_key);

// 设置服务器证书和服务器私钥

server.setRSACert(serverCertList, serverPrivKey);

// 启动服务器

server.begin();

}

void loop() {

static int cnt;

BearSSL::WiFiClientSecure incoming = server.available();

if (!incoming) {

return;

}

Serial.printf("Incoming connection...%d\n",cnt++);

// 等待客户端发送请求

uint32_t timeout=millis() + 1000;

int lcwn = 0;

for (;;) {

unsigned char x=0;

if ((millis() > timeout) || (incoming.available() && incoming.read(&x, 1) < 0)) {

incoming.stop();

Serial.printf("Connection error, closed\n");

return;

} else if (!x) {

yield();

continue;

} else if (x == 0x0D) {

continue;

} else if (x == 0x0A) {

if (lcwn) {

break;

}

lcwn = 1;

} else

lcwn = 0;

}

// 发送响应信息

incoming.write((uint8_t*)HTTP_RES, strlen(HTTP_RES));

incoming.flush();

incoming.stop();

Serial.printf("Connection closed.\n");

}

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