?? unit1.pas

?? AES可執行程序
?? PAS
?? 第 1 頁 / 共 5 頁
字號:
  W2 := ForwardTable[Byte(T0[0] shr 16)]; W3 := ForwardTable[Byte(T0[1] shr 24)];
  T1[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[6];
  W0 := ForwardTable[Byte(T0[3])]; W1 := ForwardTable[Byte(T0[0] shr 8)];
  W2 := ForwardTable[Byte(T0[1] shr 16)]; W3 := ForwardTable[Byte(T0[2] shr 24)];
  T1[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[7];
  // round 2
  W0 := ForwardTable[Byte(T1[0])]; W1 := ForwardTable[Byte(T1[1] shr 8)];
  W2 := ForwardTable[Byte(T1[2] shr 16)]; W3 := ForwardTable[Byte(T1[3] shr 24)];
  T0[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[8];
  W0 := ForwardTable[Byte(T1[1])]; W1 := ForwardTable[Byte(T1[2] shr 8)];
  W2 := ForwardTable[Byte(T1[3] shr 16)]; W3 := ForwardTable[Byte(T1[0] shr 24)];
  T0[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[9];
  W0 := ForwardTable[Byte(T1[2])]; W1 := ForwardTable[Byte(T1[3] shr 8)];
  W2 := ForwardTable[Byte(T1[0] shr 16)]; W3 := ForwardTable[Byte(T1[1] shr 24)];
  T0[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[10];
  W0 := ForwardTable[Byte(T1[3])]; W1 := ForwardTable[Byte(T1[0] shr 8)];
  W2 := ForwardTable[Byte(T1[1] shr 16)]; W3 := ForwardTable[Byte(T1[2] shr 24)];
  T0[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[11];
  // round 3
  W0 := ForwardTable[Byte(T0[0])]; W1 := ForwardTable[Byte(T0[1] shr 8)];
  W2 := ForwardTable[Byte(T0[2] shr 16)]; W3 := ForwardTable[Byte(T0[3] shr 24)];
  T1[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[12];
  W0 := ForwardTable[Byte(T0[1])]; W1 := ForwardTable[Byte(T0[2] shr 8)];
  W2 := ForwardTable[Byte(T0[3] shr 16)]; W3 := ForwardTable[Byte(T0[0] shr 24)];
  T1[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[13];
  W0 := ForwardTable[Byte(T0[2])]; W1 := ForwardTable[Byte(T0[3] shr 8)];
  W2 := ForwardTable[Byte(T0[0] shr 16)]; W3 := ForwardTable[Byte(T0[1] shr 24)];
  T1[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[14];
  W0 := ForwardTable[Byte(T0[3])]; W1 := ForwardTable[Byte(T0[0] shr 8)];
  W2 := ForwardTable[Byte(T0[1] shr 16)]; W3 := ForwardTable[Byte(T0[2] shr 24)];
  T1[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[15];
  // round 4
  W0 := ForwardTable[Byte(T1[0])]; W1 := ForwardTable[Byte(T1[1] shr 8)];
  W2 := ForwardTable[Byte(T1[2] shr 16)]; W3 := ForwardTable[Byte(T1[3] shr 24)];
  T0[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[16];
  W0 := ForwardTable[Byte(T1[1])]; W1 := ForwardTable[Byte(T1[2] shr 8)];
  W2 := ForwardTable[Byte(T1[3] shr 16)]; W3 := ForwardTable[Byte(T1[0] shr 24)];
  T0[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[17];
  W0 := ForwardTable[Byte(T1[2])]; W1 := ForwardTable[Byte(T1[3] shr 8)];
  W2 := ForwardTable[Byte(T1[0] shr 16)]; W3 := ForwardTable[Byte(T1[1] shr 24)];
  T0[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[18];
  W0 := ForwardTable[Byte(T1[3])]; W1 := ForwardTable[Byte(T1[0] shr 8)];
  W2 := ForwardTable[Byte(T1[1] shr 16)]; W3 := ForwardTable[Byte(T1[2] shr 24)];
  T0[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[19];
  // round 5
  W0 := ForwardTable[Byte(T0[0])]; W1 := ForwardTable[Byte(T0[1] shr 8)];
  W2 := ForwardTable[Byte(T0[2] shr 16)]; W3 := ForwardTable[Byte(T0[3] shr 24)];
  T1[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[20];
  W0 := ForwardTable[Byte(T0[1])]; W1 := ForwardTable[Byte(T0[2] shr 8)];
  W2 := ForwardTable[Byte(T0[3] shr 16)]; W3 := ForwardTable[Byte(T0[0] shr 24)];
  T1[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[21];
  W0 := ForwardTable[Byte(T0[2])]; W1 := ForwardTable[Byte(T0[3] shr 8)];
  W2 := ForwardTable[Byte(T0[0] shr 16)]; W3 := ForwardTable[Byte(T0[1] shr 24)];
  T1[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[22];
  W0 := ForwardTable[Byte(T0[3])]; W1 := ForwardTable[Byte(T0[0] shr 8)];
  W2 := ForwardTable[Byte(T0[1] shr 16)]; W3 := ForwardTable[Byte(T0[2] shr 24)];
  T1[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[23];
  // round 6
  W0 := ForwardTable[Byte(T1[0])]; W1 := ForwardTable[Byte(T1[1] shr 8)];
  W2 := ForwardTable[Byte(T1[2] shr 16)]; W3 := ForwardTable[Byte(T1[3] shr 24)];
  T0[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[24];
  W0 := ForwardTable[Byte(T1[1])]; W1 := ForwardTable[Byte(T1[2] shr 8)];
  W2 := ForwardTable[Byte(T1[3] shr 16)]; W3 := ForwardTable[Byte(T1[0] shr 24)];
  T0[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[25];
  W0 := ForwardTable[Byte(T1[2])]; W1 := ForwardTable[Byte(T1[3] shr 8)];
  W2 := ForwardTable[Byte(T1[0] shr 16)]; W3 := ForwardTable[Byte(T1[1] shr 24)];
  T0[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[26];
  W0 := ForwardTable[Byte(T1[3])]; W1 := ForwardTable[Byte(T1[0] shr 8)];
  W2 := ForwardTable[Byte(T1[1] shr 16)]; W3 := ForwardTable[Byte(T1[2] shr 24)];
  T0[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[27];
  // round 7
  W0 := ForwardTable[Byte(T0[0])]; W1 := ForwardTable[Byte(T0[1] shr 8)];
  W2 := ForwardTable[Byte(T0[2] shr 16)]; W3 := ForwardTable[Byte(T0[3] shr 24)];
  T1[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[28];
  W0 := ForwardTable[Byte(T0[1])]; W1 := ForwardTable[Byte(T0[2] shr 8)];
  W2 := ForwardTable[Byte(T0[3] shr 16)]; W3 := ForwardTable[Byte(T0[0] shr 24)];
  T1[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[29];
  W0 := ForwardTable[Byte(T0[2])]; W1 := ForwardTable[Byte(T0[3] shr 8)];
  W2 := ForwardTable[Byte(T0[0] shr 16)]; W3 := ForwardTable[Byte(T0[1] shr 24)];
  T1[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[30];
  W0 := ForwardTable[Byte(T0[3])]; W1 := ForwardTable[Byte(T0[0] shr 8)];
  W2 := ForwardTable[Byte(T0[1] shr 16)]; W3 := ForwardTable[Byte(T0[2] shr 24)];
  T1[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[31];
  // round 8
  W0 := ForwardTable[Byte(T1[0])]; W1 := ForwardTable[Byte(T1[1] shr 8)];
  W2 := ForwardTable[Byte(T1[2] shr 16)]; W3 := ForwardTable[Byte(T1[3] shr 24)];
  T0[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[32];
  W0 := ForwardTable[Byte(T1[1])]; W1 := ForwardTable[Byte(T1[2] shr 8)];
  W2 := ForwardTable[Byte(T1[3] shr 16)]; W3 := ForwardTable[Byte(T1[0] shr 24)];
  T0[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[33];
  W0 := ForwardTable[Byte(T1[2])]; W1 := ForwardTable[Byte(T1[3] shr 8)];
  W2 := ForwardTable[Byte(T1[0] shr 16)]; W3 := ForwardTable[Byte(T1[1] shr 24)];
  T0[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[34];
  W0 := ForwardTable[Byte(T1[3])]; W1 := ForwardTable[Byte(T1[0] shr 8)];
  W2 := ForwardTable[Byte(T1[1] shr 16)]; W3 := ForwardTable[Byte(T1[2] shr 24)];
  T0[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[35];
  // round 9
  W0 := ForwardTable[Byte(T0[0])]; W1 := ForwardTable[Byte(T0[1] shr 8)];
  W2 := ForwardTable[Byte(T0[2] shr 16)]; W3 := ForwardTable[Byte(T0[3] shr 24)];
  T1[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[36];
  W0 := ForwardTable[Byte(T0[1])]; W1 := ForwardTable[Byte(T0[2] shr 8)];
  W2 := ForwardTable[Byte(T0[3] shr 16)]; W3 := ForwardTable[Byte(T0[0] shr 24)];
  T1[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[37];
  W0 := ForwardTable[Byte(T0[2])]; W1 := ForwardTable[Byte(T0[3] shr 8)];
  W2 := ForwardTable[Byte(T0[0] shr 16)]; W3 := ForwardTable[Byte(T0[1] shr 24)];
  T1[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[38];
  W0 := ForwardTable[Byte(T0[3])]; W1 := ForwardTable[Byte(T0[0] shr 8)];
  W2 := ForwardTable[Byte(T0[1] shr 16)]; W3 := ForwardTable[Byte(T0[2] shr 24)];
  T1[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[39];
  // round 10
  W0 := ForwardTable[Byte(T1[0])]; W1 := ForwardTable[Byte(T1[1] shr 8)];
  W2 := ForwardTable[Byte(T1[2] shr 16)]; W3 := ForwardTable[Byte(T1[3] shr 24)];
  T0[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[40];
  W0 := ForwardTable[Byte(T1[1])]; W1 := ForwardTable[Byte(T1[2] shr 8)];
  W2 := ForwardTable[Byte(T1[3] shr 16)]; W3 := ForwardTable[Byte(T1[0] shr 24)];
  T0[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[41];
  W0 := ForwardTable[Byte(T1[2])]; W1 := ForwardTable[Byte(T1[3] shr 8)];
  W2 := ForwardTable[Byte(T1[0] shr 16)]; W3 := ForwardTable[Byte(T1[1] shr 24)];
  T0[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[42];
  W0 := ForwardTable[Byte(T1[3])]; W1 := ForwardTable[Byte(T1[0] shr 8)];
  W2 := ForwardTable[Byte(T1[1] shr 16)]; W3 := ForwardTable[Byte(T1[2] shr 24)];
  T0[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[43];
  // round 11
  W0 := ForwardTable[Byte(T0[0])]; W1 := ForwardTable[Byte(T0[1] shr 8)];
  W2 := ForwardTable[Byte(T0[2] shr 16)]; W3 := ForwardTable[Byte(T0[3] shr 24)];
  T1[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[44];
  W0 := ForwardTable[Byte(T0[1])]; W1 := ForwardTable[Byte(T0[2] shr 8)];
  W2 := ForwardTable[Byte(T0[3] shr 16)]; W3 := ForwardTable[Byte(T0[0] shr 24)];
  T1[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[45];
  W0 := ForwardTable[Byte(T0[2])]; W1 := ForwardTable[Byte(T0[3] shr 8)];
  W2 := ForwardTable[Byte(T0[0] shr 16)]; W3 := ForwardTable[Byte(T0[1] shr 24)];
  T1[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[46];
  W0 := ForwardTable[Byte(T0[3])]; W1 := ForwardTable[Byte(T0[0] shr 8)];
  W2 := ForwardTable[Byte(T0[1] shr 16)]; W3 := ForwardTable[Byte(T0[2] shr 24)];
  T1[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[47];
  // last round of transformations
  W0 := LastForwardTable[Byte(T1[0])]; W1 := LastForwardTable[Byte(T1[1] shr 8)];
  W2 := LastForwardTable[Byte(T1[2] shr 16)]; W3 := LastForwardTable[Byte(T1[3] shr 24)];
  T0[0] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[48];
  W0 := LastForwardTable[Byte(T1[1])]; W1 := LastForwardTable[Byte(T1[2] shr 8)];
  W2 := LastForwardTable[Byte(T1[3] shr 16)]; W3 := LastForwardTable[Byte(T1[0] shr 24)];
  T0[1] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[49];
  W0 := LastForwardTable[Byte(T1[2])]; W1 := LastForwardTable[Byte(T1[3] shr 8)];
  W2 := LastForwardTable[Byte(T1[0] shr 16)]; W3 := LastForwardTable[Byte(T1[1] shr 24)];
  T0[2] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[50];
  W0 := LastForwardTable[Byte(T1[3])]; W1 := LastForwardTable[Byte(T1[0] shr 8)];
  W2 := LastForwardTable[Byte(T1[1] shr 16)]; W3 := LastForwardTable[Byte(T1[2] shr 24)];
  T0[3] := (W0 xor ((W1 shl 8) or (W1 shr 24)) xor ((W2 shl 16) or (W2 shr 16))
    xor ((W3 shl 24) or (W3 shr 8))) xor Key[51];
  // finalizing
  PLongWord(@OutBuf[0])^ := T0[0]; PLongWord(@OutBuf[4])^ := T0[1];
  PLongWord(@OutBuf[8])^ := T0[2]; PLongWord(@OutBuf[12])^ := T0[3];
end;

procedure EncryptAES(const InBuf: TAESBuffer; const Key: TAESExpandedKey256;
  var OutBuf: TAESBuffer);
var
  T0, T1: array [0..3] of longword;
  W0, W1, W2, W3: longword;
begin
  // initializing
?? 文件大小 205 K
?? 上傳用戶 cnnotes
?? 所屬分類加密解密
??? 相關標簽

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