网页制作中页面的加密和破解

网页加密, 网页破解

当你在浏览网页时，看到一个很漂亮的特效，你查看源代码时看到的是一队乱码，那多扫兴呀！根据本人的研究，总结出了三种解密方法，与大家分享！！

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方法一：2 Z% p4 X, b9 }1 S- e- t: n

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　　有一种加密的办法是采用javascript的escape()函数，把某些符号、汉字等变成乱码，以达到迷惑人的目的。解密这种代码的办法是采用其反函数加以还原。下面是一个经过加密的例子：

<HTML>
<SCRIPT LANGUAGE="javascript">
var Words ="%3Chtml%3E%3Cbody%20bgcolor%3D%22red%22%3E%3Cp%3E%u8FD9%u662F%u4F8B%u5B50%uFF01%uFF01%uFF1A%uFF09%3C/p%3E%3C/body%3E%3C/html%3E"
var NewWords;, V% {* a3 B4 e4 k5 E! R
NewWords = unescape(Words);
document.write(NewWords)! K0 S6 ~) O( m4 G7 y6 I( H6 b
</SCRIPT>* X$ G( [2 L) O  R4 w5 P
<BODY>
</BODY>2 Y& j6 [# V  s% Y
</HTML>
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　　这种文件最好解密，一看就明白，关键是unescape()函数起了还原源代码的作用。要想看到加密前的代码是什么样子，可以用下面的办法：7 c1 A6 r0 g* F& Y5 s, b

<HTML><SCRIPT LANGUAGE="javascript">0 W' d7 Y( d% W0 l- V- }" G
var Words ="%3Chtml%3E%3Cbody%20bgcolor%3D%22red%22%3E%3Cp%3E%u8FD9%u662F%u4F8B%u5B50%uFF01%uFF01%uFF1A%uFF09%3C/p%3E%3C/body%3E%3C/html%3E"
var NewWords;  b( A2 q# [) w$ Y% u9 d: z3 k
NewWords = unescape(Words);4 W0 z8 R# C$ e/ K( ?+ X
NewWords=NewWords.toString();: ^/ U' D7 {( k1 w; }
function password(){
document.pw.txtpw.value=NewWords;4 N+ N" j* \: ~1 K
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</SCRIPT>- b# c- }; K- v
<BODY>+ _6 U3 U7 E+ N- s" D
<form name=pw># B% h* G* D+ ?/ K* \' N
<input type=button onclick="password()" value="解密">
<br>
<textarea name="txtpw" cols="100" rows="100"></textarea># `* a+ Q$ y7 y7 Z/ K
</form>" w$ }/ I7 B! _8 n/ n7 N; B
</BODY>
</HTML>: d- K% n* g, e4 r

方法二：

　　有一个软件叫HTMLEncrypt.exe，它就是把源代码进行加密的软件，这个软件的加密的原理是把字符转换成Unicode代码。下面的例子是一个分帧的页面：8 k5 o" [& G) }$ `: O0 G/ a

<html><head><script>1 G2 z) }0 w( c- W$ _
function Carbosoft( s ) { var sRet=""; for(j=0; j< s.length; j++ ){ var n= s.charCodeAt(j); if (n>=8364) {n = 128;} sRet += String.fromCharCode( n - 3 ); } return( sRet ); }, f2 W' C! b6 u* q
var sJsCmds ="" +1 K; n: F5 q' w" t/ s# N/ j
"?kwpoA?khdgA?phwd#kwws0htxly@%Frqwhqw0W|sh%#frqwhqw@%wh{w2kwpo>#fkduvhw@lvr0;;8<04%A?wlwohAZHOFRPH?2wlwohA?phwd#qdph@%JHQHUDWRU%#frqwhqw@%Plfurvriw#IurqwSdjh#613%A?phwd#qdph@%Plfurvriw#Wkhph%#frqwhqw@%qrqh/#ghidxow%A?phwd#qdph@%Plfurvriw#Erughu%#frqwhqw@%qrqh/#ghidxow%A?2khdgA?iudphvhw#erughu@%3%#iudpherughu@%3%#urzv@%-/93%A##?iudph#qdph@%pdlq%#vuf@%xs1kwp%#vfuroolqj@%dxwr%A##?iudph#qdph@%rqolqh%#vuf@%grzq1kwp%#vfuroolqj@%qr%#qruhvl}h#wdujhw@%beodqn%A##?qriudphvA##?erg|A##?sAWklv#sdjh#xvhv#iudphv/#exw#|rxu#eurzvhu#grhvq*w#vxssruw#wkhp1#?2sA##?2erg|A##?2qriudphvA?2iudphvhwA?2kwpoA?irqw#froru@%&33333%A?s#doljq@%fhqwhu%A?vpdooA?irqw#idfh@%Wdkrpd%AWklv#iloh#zdv#hqfu|swhg#xvlqj#dq#xquhjlvwhuhg#yhuvlrq#ri#?d#kuhi@%kwws=22fduer{1wkhgqv1qhw2kwpohqfu|sw1kwp%AKWPO#Hqfu|sw#y413?2dA1?2irqwA?2vpdooA?2sA" +& O. l* o* f, X: O. m' y3 v2 G
"";, l; I4 @- d1 k. V9 W$ |
var s= Carbosoft( sJsCmds);/ l8 N) p/ h3 i1 v  k: `! n, h+ Z
document.write (s);) h3 q: Q) b7 Q1 }- p  f) U
</script>4 d+ E0 r. e. c
</head><body></body></html>) f( G" {  D5 R/ m. G- q5 C
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　　从上面可以看出，浏览器解释这写代码前，进行了还原，从而可以得到破解的方法如下：
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<script>$ R* p: L0 }0 S5 p! k! z7 ^* b" |( x
function Carbosoft( s ) { var sRet=""; for(j=0; j< s.length; j++ ){ var n= s.charCodeAt(j); if (n>=8364) {n = 128;} sRet += String.fromCharCode( n - 3 ); } return( sRet ); }
var sJsCmds ="" +
"?kwpoA?khdgA?phwd#kwws0htxly@%Frqwhqw0W|sh%#frqwhqw@%wh{w2kwpo>#fkduvhw@lvr0;;8<04%A?wlwohAZHOFRPH?2wlwohA?phwd#qdph@%JHQHUDWRU%#frqwhqw@%Plfurvriw#IurqwSdjh#613%A?phwd#qdph@%Plfurvriw#Wkhph%#frqwhqw@%qrqh/#ghidxow%A?phwd#qdph@%Plfurvriw#Erughu%#frqwhqw@%qrqh/#ghidxow%A?2khdgA?iudphvhw#erughu@%3%#iudpherughu@%3%#urzv@%-/93%A##?iudph#qdph@%pdlq%#vuf@%xs1kwp%#vfuroolqj@%dxwr%A##?iudph#qdph@%rqolqh%#vuf@%grzq1kwp%#vfuroolqj@%qr%#qruhvl}h#wdujhw@%beodqn%A##?qriudphvA##?erg|A##?sAWklv#sdjh#xvhv#iudphv/#exw#|rxu#eurzvhu#grhvq*w#vxssruw#wkhp1#?2sA##?2erg|A##?2qriudphvA?2iudphvhwA?2kwpoA?irqw#froru@%&33333%A?s#doljq@%fhqwhu%A?vpdooA?irqw#idfh@%Wdkrpd%AWklv#iloh#zdv#hqfu|swhg#xvlqj#dq#xquhjlvwhuhg#yhuvlrq#ri#?d#kuhi@%kwws=22fduer{1wkhgqv1qhw2kwpohqfu|sw1kwp%AKWPO#Hqfu|sw#y413?2dA1?2irqwA?2vpdooA?2sA" +! y0 o/ w5 S4 w$ y8 O
"";
var s= Carbosoft( sJsCmds);. ^: ?- d8 J+ W0 \" L6 W( M
</script>
<form name=qq>
<textarea name=ww cols=100 rows=10></textarea>
<input onclick='ww.value=s' type=button value="解密">) l; [! D$ n4 o' a' @
</form># [3 V' W! M+ n/ ^8 e  Z

方法三：9 @9 r' M5 g4 k# {! B2 b) Y5 k

　　有一种加密方法是每行单独加密，还原起来比较复杂。看一个加密过的原文：
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<HTML>
<BODY>. Y& v3 d9 K6 k& J4 W  U
<SCRIPT LANGUAGE="javascript">
function Decode() {6 g! B; Q" y) h" A: L# Q5 |
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}% Z9 O4 Y% Q  h  M4 O
</SCRIPT>: P+ Q' Z. _9 u
<SCRIPT LANGUAGE="javascript">
function d (enc) {document.write(codeIt(key,enc));}" n& y0 ]& k3 R
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}, u6 x& H/ C0 l: b
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
Decode();* z& o7 K  L: F9 P* p
</SCRIPT>
</BODY>6 y! J$ i. ?& ?( {( E) i3 X8 A9 s
</HTML>: e$ g$ p1 w1 j8 O2 s+ p* n
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　　还原的时候，也必须每行单独解密，用下面的方法可以看到源代码：

<HTML>
<BODY>9 @' g  O6 g7 H  f* [
<SCRIPT LANGUAGE="javascript">; W. ^$ ^, z& m7 G
function Decode() {/ e3 j; `9 J+ O- x' _
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>+ A: V9 u9 _) s0 U4 h1 J' k, |% Y2 a  Z
<SCRIPT LANGUAGE="javascript">
function d (enc) {alert(codeIt(key,enc));}* [# {7 n6 G; F' Y
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}4 L3 N7 M: O8 w! d0 }
</SCRIPT>
<SCRIPT LANGUAGE="javascript">2 q/ C6 D: E4 I+ s: C# o
Decode();
</SCRIPT>
</BODY>
</HTML>* Q- @7 c/ _$ G" |+ Q

　　哈哈！！:=)是不是很精彩！！

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