unit Umain;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls,IdHashMessageDigest,IdGlobal,IdHash;
type
TForm1 = class(TForm)
Button1: TButton;
OpenDialog1: TOpenDialog;
Memo1: TMemo;
procedure Button1Click(Sender: TObject);
private
function StreamToMD5(s:TFileStream):string;
{ Private declarations }
public
{ Public declarations }
end;
type
TMD5=class(TIdHashMessageDigest5);
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
filesen:TFileStream;
str:string;
begin
if opendialog1.Execute then
begin
filesen:=TFileStream.Create(opendialog1.FileName,fmopenread or fmshareExclusive);
str:=StreamToMD5(filesen);
memo1.Lines.Add(str);
filesen.Free;
end;
end;
function TForm1.StreamToMD5(s:TFileStream):string;
var
MD5Encode:TMD5;
long:T4x4LongWordRecord;
begin
MD5Encode:=TMD5.Create;
try
long:=md5encode.HashValue(s);
result:=MD5Encode.AsHex(long);
finally
MD5Encode.Free;
end;
end;
end.
