RosettaCodeData/Task/Parallel-brute-force/Free-Pascal-Lazarus/parallel-brute-force.pas
2026-04-30 12:34:36 -04:00

77 lines
1.7 KiB
ObjectPascal

program Brute_Force_SHA256;//Parallel_Brute_Force_SHA256;
{$mode Delphi}
//{$DEFINE UseCThreads}
uses
{$IFDEF UNIX}{$IFDEF UseCThreads}unix,cthreads,{$ENDIF}{$ENDIF}
SysUtils,Classes,fpsha256;
var
Words: array[1..3] of AnsiString =
('1115dd800feaacefdf481f1f9070374a2a81e27880f187396db67958b207cbad',
'3a7bd3e2360a3d29eea436fcfb7e44c735d117c42d1c1835420b6b9942dd4f1b',
'74e1bb62f8dabb8125a58852b63bdf6eaef667cb56ac7f7cdba6d7305c50a22f');
found: Integer;
procedure OutSol(const password,hash:AnsiString);
begin
Writeln('>>', password, ' => ', hash);
end;
procedure Force(const password: AnsiString);inline;
var
hash: AnsiString;
SB : TBytes;
i : Int32;
begin
SB:=TEncoding.UTF8.GetAnsiBytes(password);
TSHA256.DigestHexa(SB, hash);
For i := found downto low(words) do
begin
if SameText(hash, words[i]) then
begin
OutSol(password, hash);
//remove from search
words[i] := words[found];
dec(found);
break;
end;
end;
end;
var
password : AnsiString;
a,b,c,d,e: byte;
begin
Words[1] := uppercase(Words[1]);
Words[2] := uppercase(Words[2]);
Words[3] := uppercase(Words[3]);
found := length(Words);
password := 'aaaaa';
for a := ord('a')to Ord('z') do
begin
password[1] := chr(a);
for b := ord('a')to Ord('z') do
begin
password[2] := chr(b);
for c := ord('a')to Ord('z') do
begin
password[3] := chr(c);
for d := ord('a')to Ord('z') do
begin
password[4] := chr(d);
for e := ord('a')to Ord('z') do
begin
password[5] := chr(e);
force(password);
end;
end;
end;
end;
end;
Writeln('Enter to exit ',password);
{$IFDEF WINDOWS}
readln;
{$ENDIF}
end.