ios xcode http请求转换为https请求

怼烎@ 2022-06-10 05:13 502阅读 0赞

由于苹果规定2017年1月1日以后，所有APP都要使用HTTPS进行网络请求，否则无法上架。因此研究了一下在iOS中使用HTTPS请求的实现。主要功能就是将传输的报文进行加密，提高安全性。

#### 1、证书准备 ####

证书分为两种，一种是花钱向认证的机构购买的证书，服务端如果使用的是这类证书的话，那一般客户端不需要做什么，用HTTPS进行请求就行了，苹果内置了那些受信任的根证书的。另一种是自己制作的证书，使用这类证书的话是不受信任的（当然也不用花钱买），因此需要我们在代码中将该证书设置为信任证书。

我这边使用的是xca来制作了根证书，制作流程请参考 [http://www.2cto.com/Article/201411/347512.html][http_www.2cto.com_Article_201411_347512.html] ，由于xca无法导出.jsk的后缀，因此我们只要制作完根证书后以.p12的格式导出就行了，之后的证书制作由命令行来完成。 自制一个批处理文件，添加如下命令：

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>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-destkeystore&nbsp;ca.jks&nbsp;-deststoretype&nbsp;JKS&nbsp;-deststorepass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">keytool&nbsp;-genkeypair&nbsp;-alias&nbsp;server-%ip%&nbsp;-keyalg&nbsp;RSA&nbsp;-keystore&nbsp;ca.jks&nbsp;-storepass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-keypass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-validity&nbsp;3650&nbsp;-dname&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important; color:blue!important">"CN=%ip%,&nbsp;OU=ly,&nbsp;O=hik,&nbsp;L=hz,&nbsp;ST=zj,&nbsp;C=cn"</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">keytool&nbsp;-certreq&nbsp;-alias&nbsp;server-%ip%&nbsp;-storepass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-file&nbsp;%ip%\server-%ip%.certreq&nbsp;-keystore&nbsp;ca.jks</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">keytool&nbsp;-gencert&nbsp;-alias&nbsp;ca&nbsp;-storepass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-infile&nbsp;%ip%\server-%ip%.certreq&nbsp;-outfile&nbsp;%ip%\server-%ip%.cer&nbsp;-validity&nbsp;3650&nbsp;-keystore&nbsp;ca.jks&nbsp;&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">keytool&nbsp;-importcert&nbsp;-trustcacerts&nbsp;-storepass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">&nbsp;</code> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-alias&nbsp;server-%ip%&nbsp;-file&nbsp;%ip%\server-%ip%.cer&nbsp;-keystore&nbsp;ca.jks</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">keytool&nbsp;-</code> 
>       <code style="margin:0px!important; padding:0px!important; font-weight:bold!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important; color:rgb(0,102,153)!important">delete</code>&nbsp; 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">-keystore&nbsp;ca.jks&nbsp;-alias&nbsp;ca&nbsp;-storepass&nbsp;</code> 
>      </div> 
>      <div style="margin:0px!important; padding:0px 1em!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-size:1em!important; min-height:auto!important; white-space:pre!important"> 
>       <code style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:1em!important; min-height:auto!important">123456</code> 
>      </div> 
>     </div> </td> 
>   </tr> 
>  </tbody> 
> </table>
> 
>   
>

将上面加粗的ca.p12改成你导出的.p12文件的名称，123456改为你创建证书的密码。

然后在文件夹空白处按住ctrl+shift点击右键，选择在此处打开命令窗口，在命令窗口中输入“start.bat ip/域名”来执行批处理文件，其中start.bat是添加了上述命令的批处理文件，ip/域名即你服务器的ip或者域名。执行成功后会生成一个.jks文件和一个以你的ip或域名命名的文件夹，文件夹中有一个.cer的证书，这边的.jks文件将在服务端使用.cer文件将在客户端使用，到这里证书的准备工作就完成了。

#### 2、服务端配置（略） ####

#### 3、iOS端配置 ####

> 1）将 .crt文件转成.cer文件

> > 1.使用openssl 进行转换
> 
> >     openssl x509 -in 你的证书.crt -out 你的证书.cer -outform der
> 
> > 2.通过安装crt文件，电脑导出
> 
> > 1）先打开“钥匙串访问”
> 
> > 2）选中你安装的crt文件证书，选择“文件”--》“导出项目”
> 
> >  ![292326-20160121103753343-1382423230.png][]
> 
> > 3）选择.cer证书，存储即可。

> ![292326-20160121103907828-1798124689.png][]

2）首先把前面生成的.cer文件添加到项目中，注意在添加的时候选择要添加的targets。

3）自己封装AFNetworking的类中，写如下代码：

+ (AFSecurityPolicy *)customSecurityPolicy
    {
        //先导入证书，找到证书的路径
        NSString *cerPath = [[NSBundle mainBundle] pathForResource:@"Admin" ofType:@"cer"];
        NSData *certData = [NSData dataWithContentsOfFile:cerPath];
    
        //AFSSLPinningModeCertificate 使用证书验证模式
        AFSecurityPolicy *securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModeCertificate];
    
        //allowInvalidCertificates 是否允许无效证书（也就是自建的证书），默认为NO
        //如果是需要验证自建证书，需要设置为YES
        securityPolicy.allowInvalidCertificates = YES;
    
        //validatesDomainName 是否需要验证域名，默认为YES；
        //假如证书的域名与你请求的域名不一致，需把该项设置为NO；如设成NO的话，即服务器使用其他可信任机构颁发的证书，也可以建立连接，这个非常危险，建议打开。
        //置为NO，主要用于这种情况：客户端请求的是子域名，而证书上的是另外一个域名。因为SSL证书上的域名是独立的，假如证书上注册的域名是www.google.com，那么mail.google.com是无法验证通过的；当然，有钱可以注册通配符的域名*.google.com，但这个还是比较贵的。
        //如置为NO，建议自己添加对应域名的校验逻辑。
        securityPolicy.validatesDomainName = NO;
        NSSet *set = [[NSSet alloc] initWithObjects:certData, nil];
        securityPolicy.pinnedCertificates = set;
    
        return securityPolicy;
    }

然后在封装的get请求或者是是post请求的地方，调用上面的这段代码：

+ (void)postWithURLString:(NSString *)urlString
                   parameters:(id)parameters
                      success:(SuccessBlock)successBlock
                      failure:(FailureBlock)failureBlock
    {
        AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
        manager.responseSerializer = [AFHTTPResponseSerializer serializer];
        manager.requestSerializer.timeoutInterval = outTime;
        //HTTPS SSL的验证，在此处调用上面的代码，给这个证书验证；
        [manager setSecurityPolicy:[SYNetworkingManager customSecurityPolicy]];
        [manager POST:urlString parameters:parameters progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
            if (successBlock) {
                NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableLeaves error:nil];
                successBlock(dic);
            }
        } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
            if (failureBlock) {
                failureBlock(error);
                NSLog(@"网络异常 - T_T%@", error);

接下来，我们通过Charles抓取数据，抓到的数据已经加密。

![292326-20160121105904906-2034670497.png][]

## 可能遇到的问题 ##

1）证书一定要拉到项目里面，AFN加了验证之后，看看获取证书的certData是否为空。如果为空，则证书有问题

NSData *certData = [NSData dataWithContentsOfFile:cerPath];

2）如果https服务器没有数据返回，很大可能是因为服务器配置出了问题。

3）错误说“Error Domain=kCFErrorDomainCFNetwork Code=-1004” ,是没有配支持http的请求，解决如下

1.  在Info.plist中添加NSAppTransportSecurity类型Dictionary。
2.  在NSAppTransportSecurity下添加NSAllowsArbitraryLoads类型Boolean,值设为YES

![292326-20151012110431819-2051689838.png][]

[http_www.2cto.com_Article_201411_347512.html]: http://www.2cto.com/Article/201411/347512.html
[292326-20160121103753343-1382423230.png]: /images/20220610/4b578e3ec86e4f34a979cffc70fbaf97.png
[292326-20160121103907828-1798124689.png]: /images/20220610/3f9918719ca744138817636ce92280e2.png
[292326-20160121105904906-2034670497.png]: /images/20220610/df75257c16914c49917e98c5403e03af.png
[292326-20151012110431819-2051689838.png]: /images/20220610/5a38569b2032468ca5b08b40fb6cd360.png