frmcustom.~pas

发票系统 发票系统 发票系统

unit FrmCustom;

interface

uses
  AdvGrid, SysUtils, Controls, Windows, Messages,TlHelp32;

type //Des加密算法
  TKeyByte = array[0..5] of Byte;
  TDesMode = (dmEncry, dmDecry);
function EncryStr(Str, Key: string): string;
function DecryStr(Str, Key: string): string;
function EncryStrHex(Str, Key: string): string;
function DecryStrHex(StrHex, Key: string): string;

const
  BitIP: array[0..63] of Byte = //初始值置IP
  (57, 49, 41, 33, 25, 17, 9, 1,
    59, 51, 43, 35, 27, 19, 11, 3,
    61, 53, 45, 37, 29, 21, 13, 5,
    63, 55, 47, 39, 31, 23, 15, 7,
    56, 48, 40, 32, 24, 16, 8, 0,
    58, 50, 42, 34, 26, 18, 10, 2,
    60, 52, 44, 36, 28, 20, 12, 4,
    62, 54, 46, 38, 30, 22, 14, 6);

  BitCP: array[0..63] of Byte = //逆初始置IP-1
  (39, 7, 47, 15, 55, 23, 63, 31,
    38, 6, 46, 14, 54, 22, 62, 30,
    37, 5, 45, 13, 53, 21, 61, 29,
    36, 4, 44, 12, 52, 20, 60, 28,
    35, 3, 43, 11, 51, 19, 59, 27,
    34, 2, 42, 10, 50, 18, 58, 26,
    33, 1, 41, 9, 49, 17, 57, 25,
    32, 0, 40, 8, 48, 16, 56, 24);

  BitExp: array[0..47] of Integer = // 位选择函数E
  (31, 0, 1, 2, 3, 4, 3, 4, 5, 6, 7, 8, 7, 8, 9, 10,
    11, 12, 11, 12, 13, 14, 15, 16, 15, 16, 17, 18, 19, 20, 19, 20,
    21, 22, 23, 24, 23, 24, 25, 26, 27, 28, 27, 28, 29, 30, 31, 0);

  BitPM: array[0..31] of Byte = //置换函数P
  (15, 6, 19, 20, 28, 11, 27, 16, 0, 14, 22, 25, 4, 17, 30, 9,
    1, 7, 23, 13, 31, 26, 2, 8, 18, 12, 29, 5, 21, 10, 3, 24);

  sBox: array[0..7] of array[0..63] of Byte = //S盒
  ((14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
    0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
    4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
    15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13),

    (15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
    3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
    0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
    13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9),

    (10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
    13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
    13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
    1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12),

    (7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
    13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
    10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
    3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14),

    (2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
    14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
    4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
    11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3),

    (12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
    10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
    9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
    4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13),

    (4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
    13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
    1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
    6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12),

    (13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
    1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
    7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
    2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11));

  BitPMC1: array[0..55] of Byte = //选择置换PC-1
  (56, 48, 40, 32, 24, 16, 8,
    0, 57, 49, 41, 33, 25, 17,
    9, 1, 58, 50, 42, 34, 26,
    18, 10, 2, 59, 51, 43, 35,
    62, 54, 46, 38, 30, 22, 14,
    6, 61, 53, 45, 37, 29, 21,
    13, 5, 60, 52, 44, 36, 28,
    20, 12, 4, 27, 19, 11, 3);

  BitPMC2: array[0..47] of Byte = //选择置换PC-2
  (13, 16, 10, 23, 0, 4,
    2, 27, 14, 5, 20, 9,
    22, 18, 11, 3, 25, 7,
    15, 6, 26, 19, 12, 1,
    40, 51, 30, 36, 46, 54,
    29, 39, 50, 44, 32, 47,
    43, 48, 38, 55, 33, 52,
    45, 41, 49, 35, 28, 31);

var
//  HttpURL: string = 'http://www.yxds.gov.cn/tax/rj/'; //网页地址
  HttpURL: string = 'http://194.1.1.1/tax/rj/'; //网页地址
//  MoneyCaStr: string = '十亿仟佰十万千百十元角分'; //金额标题
  MoneyCaStr: string = '  亿仟佰十万千百十元角分'; //金额标题
  CurrentFP: string; //处于当前的发票
  AppPath: string; //本程序路径
  DataPath: string; //数据库路径
  NowDate: TDate; //当前日期
  CurrenUser: String;  //当前用户
  IsAdmin: Boolean;    //
  BKString: string = '贝壳工作室制作';
  TaxPubReadOnly: Boolean = False; //全局AdvGrid只读
  WorksFlags: Integer; //工作状态1,2,3(新建,保存,修改)
  subKey: array[0..15] of TKeyByte; //密码要是
  PubACol, PubARow: Integer; //AdvStringGrid,ARow,ACol
  procedure Anti_DeDe();       //检测DEDE反编译器；
  procedure CheckParentProc;   //检查父进程是否为Explorer
  function NtoC(n0: real): string;   //数据转换大小写
  Function DumpLoaded: Boolean;stdcall;  //检测Dump;
  Function IsBPX(addr:Pointer):Boolean;stdcall;//防范BPX断点
  Function IsDebug():Boolean;stdcall; //检测调试器;
  Function RegLoaded: Boolean;stdcall;  //检测RegMON;
  Function FileLoaded: Boolean;stdcall;  //检测FileMON;
  Function SoftIceXPLoaded:Boolean;stdcall;//检测Win2000/XP下的SoftIce

implementation

//把数字转为大写人民币

function NtoC(n0: real): string;
  function IIF(b: boolean; s1, s2: string): string;
  begin //本函数在VFP和VB中均为系统内部函数
    if b then IIF := s1 else IIF := s2;
  end;
const c = '零壹贰叁肆伍陆柒捌玖◇分角圆拾佰仟万拾佰仟亿拾佰仟万';
var L, i, n, code: integer;
  Z: boolean;
  s, st, st1: string;
begin
  s := FormatFloat('0.00', n0);
  L := Length(s);
  Z := n0 < 1;
  for i := 1 to L - 3 do
  begin
    Val(Copy(s, L - i - 2, 1), n, code);
    st := IIf((n = 0) and (Z or (i = 9) or (i = 5) or (i = 1)), '', Copy(c, n * 2 + 1, 2))
      + IIf((n = 0) and ((i <> 9) and (i <> 5) and (i <> 1) or Z and (i = 1)), '', Copy(c, (i + 13) * 2 - 1, 2))
      + st;
    Z := (n = 0);
  end;
  Z := False;
  for i := 1 to 2 do
  begin
    Val(Copy(s, L - i + 1, 1), n, code);
    st1 := IIf((n = 0) and ((i = 1) or (i = 2) and (Z or (n0 < 1))), '', Copy(c, n * 2 + 1, 2))
      + IIf((n > 0), Copy(c, (i + 11) * 2 - 1, 2), IIf((i = 2) or Z, '', '整'))
      + st1;
    Z := (n = 0);
  end;
  for i := 1 to Length(st) do if Copy(st, i, 4) = '亿万' then Delete(st, i + 2, 2);
  NtoC := IIf(n0 = 0, '零', st + st1);
end;

//////////////////////////////////////////////////////////////
//加减密码

procedure initPermutation(var inData: array of Byte);
var
  newData: array[0..7] of Byte;
  i: Integer;
begin
  FillChar(newData, 8, 0);
  for i := 0 to 63 do
    if (inData[BitIP[i] shr 3] and (1 shl (7 - (BitIP[i] and $07)))) <> 0 then
      newData[i shr 3] := newData[i shr 3] or (1 shl (7 - (i and $07)));
  for i := 0 to 7 do inData[i] := newData[i];
end;

procedure conversePermutation(var inData: array of Byte);
var
  newData: array[0..7] of Byte;
  i: Integer;
begin
  FillChar(newData, 8, 0);
  for i := 0 to 63 do
    if (inData[BitCP[i] shr 3] and (1 shl (7 - (BitCP[i] and $07)))) <> 0 then
      newData[i shr 3] := newData[i shr 3] or (1 shl (7 - (i and $07)));
  for i := 0 to 7 do inData[i] := newData[i];
end;

procedure expand(inData: array of Byte; var outData: array of Byte);
var
  i: Integer;
begin
  FillChar(outData, 6, 0);
  for i := 0 to 47 do
    if (inData[BitExp[i] shr 3] and (1 shl (7 - (BitExp[i] and $07)))) <> 0 then
      outData[i shr 3] := outData[i shr 3] or (1 shl (7 - (i and $07)));
end;

procedure permutation(var inData: array of Byte);
var
  newData: array[0..3] of Byte;
  i: Integer;
begin
  FillChar(newData, 4, 0);
  for i := 0 to 31 do
    if (inData[BitPM[i] shr 3] and (1 shl (7 - (BitPM[i] and $07)))) <> 0 then
      newData[i shr 3] := newData[i shr 3] or (1 shl (7 - (i and $07)));
  for i := 0 to 3 do inData[i] := newData[i];
end;

function si(s, inByte: Byte): Byte;
var
  c: Byte;
begin
  c := (inByte and $20) or ((inByte and $1E) shr 1) or
    ((inByte and $01) shl 4);
  Result := (sBox[s][c] and $0F);
end;

procedure permutationChoose1(inData: array of Byte;
  var outData: array of Byte);
var
  i: Integer;
begin
  FillChar(outData, 7, 0);
  for i := 0 to 55 do
    if (inData[BitPMC1[i] shr 3] and (1 shl (7 - (BitPMC1[i] and $07)))) <> 0 then
      outData[i shr 3] := outData[i shr 3] or (1 shl (7 - (i and $07)));
end;

procedure permutationChoose2(inData: array of Byte;
  var outData: array of Byte);
var
  i: Integer;
begin
  FillChar(outData, 6, 0);
  for i := 0 to 47 do
    if (inData[BitPMC2[i] shr 3] and (1 shl (7 - (BitPMC2[i] and $07)))) <> 0 then
      outData[i shr 3] := outData[i shr 3] or (1 shl (7 - (i and $07)));
end;

procedure cycleMove(var inData: array of Byte; bitMove: Byte);
var
  i: Integer;
begin
  for i := 0 to bitMove - 1 do
  begin
    inData[0] := (inData[0] shl 1) or (inData[1] shr 7);
    inData[1] := (inData[1] shl 1) or (inData[2] shr 7);
    inData[2] := (inData[2] shl 1) or (inData[3] shr 7);
    inData[3] := (inData[3] shl 1) or ((inData[0] and $10) shr 4);
    inData[0] := (inData[0] and $0F);
  end;
end;

procedure makeKey(inKey: array of Byte; var outKey: array of TKeyByte);
const
  bitDisplace: array[0..15] of Byte =
  (1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1);
var
  outData56: array[0..6] of Byte;
  key28l: array[0..3] of Byte;
  key28r: array[0..3] of Byte;
  key56o: array[0..6] of Byte;
  i: Integer;
begin
  permutationChoose1(inKey, outData56);

  key28l[0] := outData56[0] shr 4;
  key28l[1] := (outData56[0] shl 4) or (outData56[1] shr 4);
  key28l[2] := (outData56[1] shl 4) or (outData56[2] shr 4);
  key28l[3] := (outData56[2] shl 4) or (outData56[3] shr 4);
  key28r[0] := outData56[3] and $0F;
  key28r[1] := outData56[4];
  key28r[2] := outData56[5];
  key28r[3] := outData56[6];

  for i := 0 to 15 do
  begin
    cycleMove(key28l, bitDisplace[i]);
    cycleMove(key28r, bitDisplace[i]);
    key56o[0] := (key28l[0] shl 4) or (key28l[1] shr 4);
    key56o[1] := (key28l[1] shl 4) or (key28l[2] shr 4);
    key56o[2] := (key28l[2] shl 4) or (key28l[3] shr 4);
    key56o[3] := (key28l[3] shl 4) or (key28r[0]);
    key56o[4] := key28r[1];
    key56o[5] := key28r[2];
    key56o[6] := key28r[3];
    permutationChoose2(key56o, outKey[i]);
  end;
end;

procedure encry(inData, subKey: array of Byte;
  var outData: array of Byte);
var
  outBuf: array[0..5] of Byte;
  buf: array[0..7] of Byte;
  i: Integer;
begin
  expand(inData, outBuf);
  for i := 0 to 5 do outBuf[i] := outBuf[i] xor subKey[i];
  buf[0] := outBuf[0] shr 2;
  buf[1] := ((outBuf[0] and $03) shl 4) or (outBuf[1] shr 4);
  buf[2] := ((outBuf[1] and $0F) shl 2) or (outBuf[2] shr 6);
  buf[3] := outBuf[2] and $3F;
  buf[4] := outBuf[3] shr 2;
  buf[5] := ((outBuf[3] and $03) shl 4) or (outBuf[4] shr 4);
  buf[6] := ((outBuf[4] and $0F) shl 2) or (outBuf[5] shr 6);
  buf[7] := outBuf[5] and $3F;
  for i := 0 to 7 do buf[i] := si(i, buf[i]);
  for i := 0 to 3 do outBuf[i] := (buf[i * 2] shl 4) or buf[i * 2 + 1];
  permutation(outBuf);
  for i := 0 to 3 do outData[i] := outBuf[i];
end;

procedure desData(desMode: TDesMode;
  inData: array of Byte; var outData: array of Byte);
// inData, outData 都为8Bytes，否则出错
var