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Dart

Revert a TLS Connection to Plain TCP

See more Socket/SSL/TLS Examples

Demonstrates Socket.ConvertFromSsl, which ends the TLS layer while leaving the underlying TCP connection open for subsequent unencrypted communication.

Background. This is the reverse of a STARTTLS-style upgrade and is valid only while TLS is currently active on the connection.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  final socket = CkSocket();

  // Connect to the server using TLS.
  final bTls = true;
  final maxWaitMs = 5000;
  try {
    socket.connect('example.com', 5000, bTls, maxWaitMs);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // End the TLS layer while keeping the underlying TCP connection open for subsequent unencrypted
  // communication.  This is the reverse of a STARTTLS-style upgrade and is valid only while TLS is
  // active.
  try {
    socket.convertFromSsl();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('Reverted to a plain TCP connection.');
}