(Delphi DLL) Convert DSA Public Key DER to PEM
Converts a DSA public key from DER format to PEM.
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Dsa;
...
procedure TForm1.Button1Click(Sender: TObject);
var
dsa: HCkDsa;
success: Boolean;
pemStr: PWideChar;
begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
dsa := CkDsa_Create();
// Load a DER public key.
success := CkDsa_FromPublicDerFile(dsa,'dsa_pub.der');
if (success <> True) then
begin
Memo1.Lines.Add(CkDsa__lastErrorText(dsa));
Exit;
end;
// Save the public key to PEM:
pemStr := CkDsa__toPublicPem(dsa);
success := CkDsa_SaveText(dsa,pemStr,'dsa_pub.pem');
if (success <> True) then
begin
Memo1.Lines.Add(CkDsa__lastErrorText(dsa));
Exit;
end;
Memo1.Lines.Add('Finished!');
CkDsa_Dispose(dsa);
end;
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