Delphi ActiveX

Convert DSA Public Key DER to PEM

See more DSA Examples

Converts a DSA public key from DER format to PEM. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
dsa: TChilkatDsa;
pemStr: WideString;

begin
success := 0;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

dsa := TChilkatDsa.Create(Self);

// Load a DER public key.
success := dsa.FromPublicDerFile('dsa_pub.der');
if (success <> 1) then
  begin
    Memo1.Lines.Add(dsa.LastErrorText);
    Exit;
  end;

// Save the public key to PEM:
pemStr := dsa.ToPublicPem();
success := dsa.SaveText(pemStr,'dsa_pub.pem');
if (success <> 1) then
  begin
    Memo1.Lines.Add(dsa.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Finished!');
end;