千年加密解密代码....虽然看起来挺复杂的.我是对应汇编的.编译后几乎和游戏客户端里的一样...保证了速度..
9 T3 j C+ K8 F ^6 @二次解密代码我还没去搞.不过一次解密足够了.可以制出很多功能外挂.如自动拾取.吃药.等等...二次解密加密主要用于怪物坐标用的.(自动练功需要解析怪物坐标要用)
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声明部分 1 p n4 v* |- `
//二种声方法均可 6 M7 P8 \- A: ]
//const gamestr:string[255] = ’N>TSVUJlwdcBMFjnAKb?qxvyeGzfLP=_ER@Z\am]ChgoWD;QuX[<tkpr^`iIHOYs.3" (- ’+chr(13)+’<;’+chr(12)+chr(00)+’=/!,1>#2$’+chr(39)+’89%’+chr(10)+chr(9)+’*):5&+67?40’; + P1 a! B" l7 {
const gamestr : array [0..127] of byte = 2 c" w! f/ A/ \8 D
($4E, $3E, $54, $53, $56, $55, $4A, $6C, $77, $64, $63, $42, $4D, $46, $6A, $6E, $41, $4B, $62, $3F, $71, $78, $76, $79, $65, $47, $7A, $66, $4C, $50, $3D, $5F, $45, $52, $40, $5A, $5C, $61, $6D, $5D, $43, $68, $67, $6F, $57, $44, $3B, $51, $75, $58, $5B, $3C, $74, $6B, $70, $72, $5E, $60, $69, $49, $48, $4F, $59, $73, $2E, $33, $1E, $01, $13, $22, $10, {&content}B, $28, $2D, $20, {&content}D, $19, $3C, $3B, $06, $11, $1C, {&content}C, {&content}, $3D, $1D, $2F, $21, $03, $02, $05, $04, $2C, $31, $3E, $23, $32, $24, $27, $38, $1F, $39, $25, $12, {&content}A, $09, $18, $1B, $2A, $29, $3A, {&content}E, $35, $07, $26, {&content}F, $2B, $36, $14, $37, $3F, $34, $30, $16, $08, $15, $17, $1A);
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代码部分
& k, i+ N. Z# h+ Lfunction decode (inchar:pchar; len:integer ; outchar:pchar):integer; //解密
2 N( _& R" C2 H' U/ r3 P0 Kvar
# t6 D- W: F1 Z! \. l3 K r6 | a1, d1: byte; ( ?* N8 j( A1 z6 `8 { W
j, count, di, si :integer; ; x1 Z3 l) _/ m8 Z8 A5 \
begin & _, M$ {+ t& V! m
decode := len div 4 * 3 ; //返回解密后数据长度 ) X% n+ o2 F) ^4 f% a$ \
j := 0;
( `( _$ R' Z2 v3 Z2 ^ while i < len do
* T! I& x9 e+ Z0 K; W& f _ begin ! o; Z. @5 K9 f- J
d1 := byte (inchar[j] );
$ P9 A/ K. r* w$ U1 s9 o. q0 I if ( d1 = $3B ) or (d1 = $7A) then 4 X5 A0 d$ g& B7 l, k; R
begin
: y# |: _+ I& q+ A9 M- T end; 9 J2 q6 _5 |9 S* e4 a& h! P! n
d1 := d1 and {&content}FF; ( B. }* O1 R% A+ F/ F
d1 := gamestr [d1 + 05]; //d1 := byte ( gamestr [ 1 + d1 ] ); , T7 X2 J8 y' k8 E8 l+ o
byte (inchar [j] ) := d1; // 根据不同的gamestr数据定义选用不现的方法 0 x) h) ^! F# a1 g1 P
inc (i); & N @& w4 s) p( k9 M
end; : t% m/ q: K8 B5 o4 L1 b
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di := 0 ; & r9 a( Q% N; K/ c: P! Y: v
si := 0 ;
( D" Y, T4 ?0 L- `, p% x7 @7 @ count := len div 4 ; //循环次数
4 Z7 J8 P. }, F, z8 A8 p# o for j := 1 to count do - u X$ k8 Q: o: L- f
begin , O- s) H/ {0 M1 w: C
a1 := ord ( inchar [di]); //解密数据 (取4个.转化3个)
$ V/ H) a# q% \% d a1 := a1 shl 2 ;
" {9 ?: P1 U" ]2 O- W d1 := ord ( inchar [di + 1]); 7 x+ U( ]( Y: E1 v- U( W" e& {+ g
d1 := d1 shr 4 ;
5 D: d) ~% I( e* i* g- D( S6 } a1 := a1 or d1 ; / m2 c% x- I' o: i+ e2 I
outchar[si] := chr (a1);
+ a( R' N, b/ y! w% \
. t: O# ?' F' M2 K4 c/ z a1 := ord ( inchar [di + 1]); & R3 X6 N' h0 {7 {# v: H! @' l
a1 := a1 shl 4 ;
9 @2 E( z* j* d4 k4 } d1 := ord ( inchar [di + 2]); ) R/ \7 `& g- Y& K3 q
d1 := d1 shr 2 ;
, N( f0 M! r# z$ X% o1 g a1 := a1 or d1 ;
* `2 V5 H& R1 x. H. e5 L/ ? outchar[si + 1] := chr (a1); 5 s! s* r! r, {' R* w
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a1 := ord ( inchar [di + 2]); 6 }: U; P; M% L: s4 \0 v9 ?
a1 := a1 shl 6 ; # ]' S& m/ J9 a# `" ], ?2 `3 n
d1 := ord ( inchar [di + 3]);
' L A0 s& j _# w5 M a1 := a1 or d1 ;
7 C" u! j: ]% y8 [$ j outchar[si + 2] := chr (a1); ( g1 G2 W; p6 C; p2 A9 Q
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di := di + 4 ;
: T% ?, t: i# k8 W! Z si := si + 3 ; 4 I: d8 l* K1 F3 {. o' g- T2 ]
end; ( \8 G- ~% |+ r6 ~
end;
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# p0 C+ F, k; m, b' ]" `) l' Zfunction encode (inchar:pchar; len:integer ; outchar:pchar):integer; //加密
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1 E8 F. s9 @* N a1, d1 :byte;
3 q5 e9 `" B4 O" r j,count,di,si :integer;
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begin
/ X/ {. @* a* V6 P9 Q encode := len div 3 * 4 ; //返回加密后数据长度
4 V) y* B) B" r* J# X. c" U( s4 q di := 0 ; ! P" d; W* D/ v6 h" u% W' A& |, ?
si := 0 ;
7 O/ Z% [% r3 h count := len div 3; //定义循环次数
1 O+ r$ G0 x' A. f v/ ? for j := 1 to count do ) x3 b% D" Z+ B$ h+ T/ }
begin
@0 q; _8 J& ?; s4 _ a1 := ord ( inchar [di]); //第一次转换 取3个 输出4个 , U! X; D8 r! l w! l; i. p0 D
a1 := a1 shr 2 ;
- G5 X: g5 }- T+ `7 n outchar [si] := chr (a1); 9 ]4 K0 E- `- [& H' @( L- r
$ s u0 G4 e9 a8 z6 B5 N5 ]3 \8 t a1 := ord (inchar[di]);
$ K7 V, [& E; V4 |* V a1 := a1 and 3 ;
; q( t, h0 N8 V' T9 | a1 := a1 shl 4 ;
9 U- Q; x7 s! W d1 := ord (inchar[di +1]); . V1 n0 Q/ R' y/ n/ u \: y N
d1 := d1 shr 4 ;
' l5 w0 n- o$ g% l a1 := a1 or d1 ;
1 E9 |! N1 m3 X6 t# N outchar[si +1] := chr (a1) ; , f0 G4 W$ o1 y/ ?4 l0 c/ I* I
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a1 := ord ( inchar[di + 1]) ;
9 t/ o' z! p1 I1 V3 A2 h( `, a a1 := a1 and {&content}F ;
$ x& J; P# F( }' E9 H4 c" ` a1 := a1 shl 2 ;
3 y! y" X1 e. ?# r d1 := ord ( inchar[di + 2]) ;
) `% f x8 n6 \ d1 := d1 shr 6 ; ! l. P- q" O& A& }2 u
a1 := a1 or d1 ;
, Q# L" h, n+ j7 T4 M) r: m outchar[si + 2] := chr (a1);
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# f9 t& V. D+ V# F5 q) g a1 := ord ( inchar[di + 2]) ; : W' ]" y; h8 z( e& l, o) ]
a1 := a1 and $3F;
' |8 I. Q& y$ j/ f, f outchar[si + 3] := chr (a1) ;
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( l$ Q& v) v6 o; i7 o& D //第二次转换
/ D* L/ r+ t" O: L& G0 f* N( z d1 := ord ( outchar [si]); //第 1 个
( |" ]& H9 b% L, o! \8 E( V d1 := gamestr [d1];
( Q# H/ @" b6 V1 K( n$ I! [; Q outchar [si] := chr (d1);
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6 }' Q7 B8 Z( b& V% d d1 := ord ( outchar [si + 1]); //第 2 个
; A7 l3 S( [3 v d1 := gamestr [d1];
( _2 N: }9 j: F* C outchar [si + 1] := chr (d1);
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) N. \5 Z+ X* l d1 := ord ( outchar [si + 2 ]); //第 3 个
6 O0 ~7 K- m. o2 Z1 x T/ e9 D" c$ K) _ d1 := gamestr [d1];
4 i, W# X) @) p( z outchar [si + 2] := chr (d1); + u* t1 D4 `; }4 K$ W
# l3 D, E+ y5 |( G R' x2 v0 \% P d1 := ord ( outchar [si + 3]); //第 4 个 $ ~6 e9 R, g& X# y2 `/ G
d1 := gamestr [d1]; & G8 n- {) k U6 t* K3 m
outchar [si + 3] := chr (d1); + v: o* O2 t6 K
1 t0 P0 [6 l- t! s1 D& @; Y di := di + 3 ;
/ ^4 `5 h K- _( B, ^" C si := si + 4 ; ' Z7 w" K" ^0 ^! ~) q" ^/ o& P
end; " u9 f" g" X5 ~. v
end; ' G5 _; }- Z: C9 t
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