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Dart Requires Chilkat v11.0.0+

SFTP use Cert's Private Key from PFX (.pfx/.p12)

See more SFTP Examples

Demonstrates how to use the private key associated with a certificate from a .pfx/.p12 file.

Chilkat Dart Downloads

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

void main() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  final cert = CkCert();

  final pfxFilepath = 'qa_data/pfx/my.pfx';
  final pfxPassword = 'secret';

  // A PFX typically contains certificates in the chain of authentication.
  // The Chilkat cert object will choose the certificate w/
  // private key farthest from the root authority cert.
  // To access all the certificates in a PFX, use the 
  // Chilkat certificate store object instead.
  try {
    cert.loadPfxFile(pfxFilepath, pfxPassword);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Get the private key.  
  final privKey = CkPrivateKey();
  try {
    cert.getPrivateKey(privKey);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final String privKeyPem;
  try {
    privKeyPem = privKey.getPkcs8Pem();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final sshKey = CkSshKey();
  try {
    sshKey.fromOpenSshPrivateKey(privKeyPem);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Connect to an SSH/SFTP server
  final sftp = CkSFtp();
  try {
    sftp.connect('sftp.example.com', 22);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Authenticate with the SSH server using a username + private key.
  // (The private key serves as the password.  The username identifies
  // the SSH user account on the server.)
  try {
    sftp.authenticatePk('mySshLogin', sshKey);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('OK, the connection and authentication with the SSH server is completed.');

  // This example is only to show the connection + authentication using a private key associated with a certificate in the Windows certificate store...
}