uEncrypt benzeri veya 2009 uyumlusu!

heavy · Mesaj gönderen **heavy** » 22 Haz 2009 02:04

http://www.swissdelphicenter.ch/torry/s ... hp?id=1243

bu unit'in 2009 uyumlusu veya benzeri varmıdır acaba?

unit uEncrypt;

interface

function Decrypt(const S: AnsiString; Key: Word): AnsiString;
function Encrypt(const S: AnsiString; Key: Word): AnsiString;

implementation

const
  C1 = 52845;
  C2 = 22719;

function Decode(const S: AnsiString): AnsiString;
const
  Map: array[Char] of Byte = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 52, 53,
    54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2,
    3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
    20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30,
    31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
    46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0);
var
  I: LongInt;
begin
  case Length(S) of
    2:
      begin
        I := Map[S[1]] + (Map[S[2]] shl 6);
        SetLength(Result, 1);
        Move(I, Result[1], Length(Result))
      end;
    3:
      begin
        I := Map[S[1]] + (Map[S[2]] shl 6) + (Map[S[3]] shl 12);
        SetLength(Result, 2);
        Move(I, Result[1], Length(Result))
      end;
    4:
      begin
        I := Map[S[1]] + (Map[S[2]] shl 6) + (Map[S[3]] shl 12) +
          (Map[S[4]] shl 18);
        SetLength(Result, 3);
        Move(I, Result[1], Length(Result))
      end
  end
end;

function PreProcess(const S: AnsiString): AnsiString;
var
  SS: AnsiString;
begin
  SS := S;
  Result := '';
  while SS <> '' do
  begin
    Result := Result + Decode(Copy(SS, 1, 4));
    Delete(SS, 1, 4)
  end
end;

function InternalDecrypt(const S: AnsiString; Key: Word): AnsiString;
var
  I: Word;
  Seed: Word;
begin
  Result := S;
  Seed := Key;
  for I := 1 to Length(Result) do
  begin
    Result[I] := Char(Byte(Result[I]) xor (Seed shr 8));
    Seed := (Byte(S[I]) + Seed) * Word(C1) + Word(C2)
  end
end;

function Decrypt(const S: AnsiString; Key: Word): AnsiString;
begin
  Result := InternalDecrypt(PreProcess(S), Key)
end;

function Encode(const S: AnsiString): AnsiString;
const
  Map: array[0..63] of Char = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' +
  'abcdefghijklmnopqrstuvwxyz0123456789+/';
var
  I: LongInt;
begin
  I := 0;
  Move(S[1], I, Length(S));
  case Length(S) of
    1:
      Result := Map[I mod 64] + Map[(I shr 6) mod 64];
    2:
      Result := Map[I mod 64] + Map[(I shr 6) mod 64] +
        Map[(I shr 12) mod 64];
    3:
      Result := Map[I mod 64] + Map[(I shr 6) mod 64] +
        Map[(I shr 12) mod 64] + Map[(I shr 18) mod 64]
  end
end;

function PostProcess(const S: AnsiString): AnsiString;
var
  SS: AnsiString;
begin
  SS := S;
  Result := '';
  while SS <> '' do
  begin
    Result := Result + Encode(Copy(SS, 1, 3));
    Delete(SS, 1, 3)
  end
end;

function InternalEncrypt(const S: AnsiString; Key: Word): AnsiString;
var
  I: Word;
  Seed: Word;
begin
  Result := S;
  Seed := Key;
  for I := 1 to Length(Result) do
  begin
    Result[I] := Char(Byte(Result[I]) xor (Seed shr 8));
    Seed := (Byte(Result[I]) + Seed) * Word(C1) + Word(C2)
  end
end;

function Encrypt(const S: AnsiString; Key: Word): AnsiString;
begin
  Result := PostProcess(InternalEncrypt(S, Key))
end;

end.

Battosai · Mesaj gönderen **Battosai** » 22 Haz 2009 03:50

Bu unit leri ekleyip denedin mi ? 2009 için uyumsuzluk gösterecek neyi var ?

deltas · Mesaj gönderen **deltas** » 22 Haz 2009 04:17

char yazan yerleri ansichar yaparsan d2009'da çalışır.

Kod: Tümünü seç

unit Unit1;

interface


function Decrypt(const S: AnsiString; Key: Word): AnsiString;
function Encrypt(const S: AnsiString; Key: Word): AnsiString;

implementation

const
  C1 = 52845;
  C2 = 22719;

function Decode(const S: AnsiString): AnsiString;
const
  Map: array[ansiChar] of Byte = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 52, 53,
    54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2,
    3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
    20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30,
    31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
    46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
var
  I: LongInt;
begin
  case Length(S) of
    2:
      begin
        I := Map[S[1]] + (Map[S[2]] shl 6);
        SetLength(Result, 1);
        Move(I, Result[1], Length(Result))
      end;
    3:
      begin
        I := Map[S[1]] + (Map[S[2]] shl 6) + (Map[S[3]] shl 12);
        SetLength(Result, 2);
        Move(I, Result[1], Length(Result))
      end;
    4:
      begin
        I := Map[S[1]] + (Map[S[2]] shl 6) + (Map[S[3]] shl 12) +
          (Map[S[4]] shl 18);
        SetLength(Result, 3);
        Move(I, Result[1], Length(Result))
      end
  end
end;

function PreProcess(const S: AnsiString): AnsiString;
var
  SS: AnsiString;
begin
  SS := S;
  Result := '';
  while SS <> '' do
  begin
    Result := Result + Decode(Copy(SS, 1, 4));
    Delete(SS, 1, 4)
  end
end;

function InternalDecrypt(const S: AnsiString; Key: Word): AnsiString;
var
  I: Word;
  Seed: Word;
begin
  Result := S;
  Seed := Key;
  for I := 1 to Length(Result) do
  begin
    Result[I] := ansiChar(Byte(Result[I]) xor (Seed shr 8));
    Seed := (Byte(S[I]) + Seed) * Word(C1) + Word(C2)
  end
end;

function Decrypt(const S: AnsiString; Key: Word): AnsiString;
begin
  Result := InternalDecrypt(PreProcess(S), Key)
end;

function Encode(const S: AnsiString): AnsiString;
const
  Map: array[0..63] of Char = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' +
    'abcdefghijklmnopqrstuvwxyz0123456789+/';
var
  I: LongInt;
begin
  I := 0;
  Move(S[1], I, Length(S));
  case Length(S) of
    1:
      Result := Map[I mod 64] + Map[(I shr 6) mod 64];
    2:
      Result := Map[I mod 64] + Map[(I shr 6) mod 64] +
        Map[(I shr 12) mod 64];
    3:
      Result := Map[I mod 64] + Map[(I shr 6) mod 64] +
        Map[(I shr 12) mod 64] + Map[(I shr 18) mod 64]
  end
end;

function PostProcess(const S: AnsiString): AnsiString;
var
  SS: AnsiString;
begin
  SS := S;
  Result := '';
  while SS <> '' do
  begin
    Result := Result + Encode(Copy(SS, 1, 3));
    Delete(SS, 1, 3)
  end
end;

function InternalEncrypt(const S: AnsiString; Key: Word): AnsiString;
var
  I: Word;
  Seed: Word;
begin
  Result := S;
  Seed := Key;
  for I := 1 to Length(Result) do
  begin
    Result[I] := ansiChar(Byte(Result[I]) xor (Seed shr 8));
    Seed := (Byte(Result[I]) + Seed) * Word(C1) + Word(C2)
  end
end;

function Encrypt(const S: AnsiString; Key: Word): AnsiString;
begin
  Result := PostProcess(InternalEncrypt(S, Key))
end;

end.

heavy · Mesaj gönderen **heavy** » 22 Haz 2009 05:18

teşekkürler çalıştı.

bu 2009 un char tipiyle zoru nedir acaba?

Battosai · Mesaj gönderen **Battosai** » 22 Haz 2009 05:31

bu 2009 un char tipiyle zoru nedir acaba?

Bir derdi yok... önceki sürümlerde AnsiChar,AnsiString değişken tipleri mevcuttu. Kısaca char eski AnsiChar yeni ve daha özellikli. 2009 sürümü ile birlikte char dan vazgeçmiş oluyorlar...

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uEncrypt benzeri veya 2009 uyumlusu!

uEncrypt benzeri veya 2009 uyumlusu!

Re: uEncrypt benzeri veya 2009 uyumlusu!

Re: uEncrypt benzeri veya 2009 uyumlusu!

Re: uEncrypt benzeri veya 2009 uyumlusu!

Re: uEncrypt benzeri veya 2009 uyumlusu!