program SecureConnect;
{$APPTYPE CONSOLE}
{$R *.res}
uses
sysutils, ua.client, ua.datatypes, ua.buildintypes;
var
OPCClient: TdOPCUAClient;
ProgPath : string;
begin
ProgPath := ExtractFilePath(Paramstr(0));
OPCClient := TdOPCUaClient.Create(nil);
try
OPCClient.SecurityLib := TuaSecurityLib.uaSNative; // or also possibe TuaSecurityLib.uaSOpenSSL
OPCClient.SecurityMode := TuaSecurityMode.uaSSignAndEncrypt;
OPCClient.SecurityPolicy := TuaSecurityPolicy.uaSPBasic256Sha256;
OPCClient.Url := 'opc.tcp://localhost:53530/OPCUA/SimulationServer';
// If the private key is encrypted, set a password.// OPCClient.SecurityKeypair.Password := 'test';
OPCClient.SecurityKeypair.LoadCertificateFromFile(ProgPath+'UACreateCert'); // load private and public key with one call{ or also possible
OPCClient.SecurityKeypair.PublicKey.FromFile (ProgPath+'UACreateCert.der');
OPCClient.SecurityKeypair.PrivateKey.FromFile (ProgPath+'UACreateCert.pem');
// with user authentication method
OPCClient.UserLogin.SetUser('test','test');
// with certificate authentication method Please note: Only for test with same certificate
OPCClient.UserLogin.LoginMode := TuaSecurityUser.Certificate;
OPCClient.UserLogin.Keypair.LoadCertificateFromFile(ProgPath+'UACreateCert');
}
OPCClient.Active := true;
Writeln('connected :-)');
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
OPCClient.Free;
Writeln('press any key to exit');
readln;
end.
