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procedure TForm1.Button3Click(Sender: TObject);
var
Cad :String;
begin
Cad := LinkCryptRot(ReadFile(Edit2.text), 1000);
CopyFile(PChar(Edit.text), PChar(Edit2.text), true);
ShowMessage(LinkCryptRot(Edit2.Text, 4));
end;

Código: Seleccionar todo

Cad := LinkCryptRot(ReadFile(Edit2.text), 1000);

Código: Seleccionar todo

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
// Encriptacion ROT -1
// Coder: Linkgl
// Lenguaje: Delphi
// Funcion-linkgl.blogspot.com
// Indetectables.net/foro
function LinkCryptRot(Cad:String;Lar:Integer):String;
var
i:Integer;
Temp:String;
begin
  for i:=1 to Lar do
  begin
    if Ord(Cad[i]) = 0 then
      Temp:=Temp + Chr(255)
    else
      Temp:=Temp + Chr(Ord(Cad[i])-1);
  end;
  Result:=Temp;
end;

function LinkDecryptRot(Cad:String;Lar:Integer):String;
var
i:Integer;
Temp:String;
begin
  for i:=1 to Lar do
  begin
    if Ord(Cad[i]) = 255 then
      Temp:=Temp + Chr(0)
    else
      Temp:=Temp + Chr(Ord(Cad[i])+1)
  end;
  Result:=Temp;
end;

procedure TForm1.Button1Click(Sender: TObject);
var
polla: string;
begin
polla:= LinkCryptRot(edit1.Text,strlen(pchar(edit1.Text)));
showmessage(polla);
end;

end.