Pascal (Lazarus/Delphi)

MD4 Hash a String

See more Encryption Examples

MD4 hash a string. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Crypt2;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  crypt: TCrypt2;
  content: string;
  hashStr: string;

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

  crypt := TCrypt2.Create;

  content := 'The quick brown fox jumps over the lazy dog';

  //  The desired output is a hexidecimal string:
  crypt.EncodingMode := 'hex';

  //  Set the hash algorithm:
  crypt.HashAlgorithm := 'md4';

  hashStr := crypt.HashStringENC(content);

  WriteLn(hashStr);

  //  The output is:
  //  1BEE69A46BA811185C194762ABAEAE90


  crypt.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.