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我使用CFStreamCreatePairWithSocketToHost創建與服務器的連接。此服務器正在使用自簽名證書，我必須對其進行驗證。 我一直在試圖找到任何方式來檢索服務器證書，但我迷路了，找不到任何方法/類，這將允許我檢索它。如何在iOS上使用CFSockets時手動驗證TLS證書？
我將是指出我怎樣才能得到它在這樣的代碼感謝：
CFReadStreamRef readStream;
CFWriteStreamRef writeStream;
CFStreamCreatePairWithSocketToHost(kCFAllocatorDefault, (__bridge CFStringRef) address, (UInt32) port, &readStream, &writeStream);
NSInputStream *inputStream = (__bridge_transfer NSInputStream *) readStream;
NSOutputStream *outputStream = (__bridge_transfer NSOutputStream *) writeStream;
[inputStream setDelegate:self];
[outputStream setDelegate:self];
[inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
[outputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
NSDictionary *settings = @{(NSString *) kCFStreamSSLValidatesCertificateChain: @NO};
CFReadStreamSetProperty((__bridge CFReadStreamRef) inputStream, kCFStreamPropertySSLSettings, (__bridge CFTypeRef) settings);
[inputStream open];
[outputStream open];