iOS 10.3：模拟器HTTPS localhost：SSL错误

问题描述

这适用于iOS 10.2及更低版本，但升级到10.3后，当模拟器尝试通过HTTPS连接到运行在localhost上的开发服务器时，Xcode控制台会输出以下错误：

This worked fine for iOS 10.2 and below, but after upgrading to 10.3, when the simulator attempts to connect over HTTPS to the development server running on localhost, the Xcode console outputs the following errors:

NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9802)
[] nw_coretls_callback_handshake_message_block_invoke_3 tls_handshake_continue: [-9807]

打印 URLSessionDataTask返回的错误 显示：

Printing out the error returned by the URLSessionDataTask shows:

Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSURLErrorFailingURLPeerTrustErrorKey=<SecTrustRef: 0x600000527080>, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, NSErrorPeerCertificateChainKey=(
    "<cert(0x7ff3e1867200) s: localhost i: localhost>"
), NSUnderlyingError=0x60800024e880 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, kCFStreamPropertySSLPeerTrust=<SecTrustRef: 0x600000527080>, _kCFNetworkCFStreamSSLErrorOriginalValue=-9802, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, kCFStreamPropertySSLPeerCertificates=(
    "<cert(0x7ff3e1867200) s: localhost i: localhost>"
)}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://localhost:3000/v1/login, NSErrorFailingURLStringKey=https://localhost:3000/v1/login, NSErrorClientCertificateStateKey=0}

参考：

要创建自签名SSL证书，我使用了以下命令：

To create a self-signed SSL certificate, I used the following commands:

openssl genrsa -aes256 -passout pass:x -out server.pass.key 2048
openssl rsa -passin pass:x -in server.pass.key -out server.key
rm server.pass.key
openssl req -new -sha256 -key server.key -out server.csr -subj /CN=localhost
openssl x509 -req -sha512 -days 365 -in server.csr -signkey server.key -out server.crt

来源：

推荐答案

安装自签名SSL证书后（通过拖放操作）将它）放到iPhone模拟器上，转到设置>常规>关于>证书信任设置，并为您的证书启用完全信任。

After installing your self-signed SSL certificate (by dragging and dropping it) onto the iPhone Simulator, go to Settings > General > About > Certificate Trust Settings and enable full trust for your certificate.

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