(Delphi ActiveX) Generating Random Password

Demonstrates how to generate random passwords.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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
chilkatGlob: TChilkatGlobal;
success: Integer;
fortuna: TChilkatPrng;
bDigit: Integer;
bUpperAndLower: Integer;
otherChars: WideString;
excludeChars: WideString;
i: Integer;

begin
// All Chilkat classes can be unlocked at once at the beginning of a program
// by calling UnlockBundle.  It requires a Bundle unlock code.
chilkatGlob := TChilkatGlobal.Create(Self);
success := chilkatGlob.UnlockBundle('Anything for 30-day trial.');
if (success <> 1) then
  begin
    Memo1.Lines.Add(chilkatGlob.LastErrorText);
    Exit;
  end;

fortuna := TChilkatPrng.Create(Self);

// Set this equal to 1 if the generated password must include at least one digit (0-9)
bDigit := 1;

// Set this equal to 1 if the generated password must include both uppercase and lowercase chars.
bUpperAndLower := 1;

// The generated password must contain one of the following non-alphanumeric chars.
otherChars := '@#$%*';

// Exclude chars that appear similar to others:
excludeChars := 'iIlLoO0';

// Generate 8-character passwords:

for i := 1 to 10 do
  begin
    Memo1.Lines.Add(fortuna.RandomPassword(8,bDigit,bUpperAndLower,otherChars,excludeChars));
  end;
end;