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！！

方法一：
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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：" _) s. r* G! H8 t) a% f, F
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<HTML>5 a: Y9 E' w; D( `
<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"; C2 E4 P5 ~- L) T
var NewWords;
NewWords = unescape(Words);3 j( p! W5 q8 K* C" I0 l
document.write(NewWords)+ ?; o' h* a' h# M- o' H. e
</SCRIPT>
<BODY>
</BODY>+ h. F0 _* P4 G# S. e" X
</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：
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<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;( l2 V; _$ ?) h# Q0 g; _, h# v  G
NewWords = unescape(Words);, `5 ^/ D; e* T
NewWords=NewWords.toString();
function password(){
document.pw.txtpw.value=NewWords;
}
</SCRIPT>& H7 j0 r  a# O- i( L6 S; c0 l
<BODY>8 E6 R& z4 M" n# w- d7 f
<form name=pw>8 w' M* g0 b% F3 x+ D' o- ]
<input type=button onclick="password()" value="解密">
<br>
<textarea name="txtpw" cols="100" rows="100"></textarea>% P: Y  {: U9 J9 Y
</form>
</BODY>+ Q5 A; f% P+ j7 A5 |
</HTML>

方法二：
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　　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：$ l, a0 f$ @  u' F! m4 Z/ A

<html><head><script>
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" +
"";( Y- e9 h% H* Y, j3 L! m5 _8 ~
var s= Carbosoft( sJsCmds);4 l* H  @, N. ]3 }$ B+ f; K0 ~
document.write (s);
</script>
</head><body></body></html>! i; V9 P! m/ L7 G+ ]  `$ A
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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：

<script>7 Z4 V4 W# }. V3 M3 x* N
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 ); }) t! H5 Z' h4 _% H- i! s
var sJsCmds ="" +4 g/ v3 \/ [: w: i' a" I
"?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" +8 l; V+ f; @% a
"";# I* @, x/ ]3 ^$ h+ h& ]
var s= Carbosoft( sJsCmds);- g4 L2 t4 ]! Z" X5 ^( g! X. t
</script>
<form name=qq>( Q0 q) m5 `# t6 \: }; E# Q1 l
<textarea name=ww cols=100 rows=10></textarea>
<input onclick='ww.value=s' type=button value="解密">
</form>
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方法三：1 l7 L$ a0 ?1 {5 [+ Y3 H! f
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　　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：

<HTML>7 K: i8 I+ R4 Y
<BODY>" N  g4 E6 o, v- N) k. b6 p
<SCRIPT LANGUAGE="javascript">8 F) ?- M/ w& p) k& |& G4 |& }
function Decode() {$ s- R: q7 `3 g8 J% r9 t9 q
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>. \0 O8 h7 E5 `" L( e! V
<SCRIPT LANGUAGE="javascript">
function d (enc) {document.write(codeIt(key,enc));}2 R) e9 T) B" b
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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;}
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
Decode();+ m4 P& d# \2 G9 z% U( c1 w' `% ]
</SCRIPT>: G, h4 r) @% N& M
</BODY>  T0 M5 j; D" e: _# i
</HTML>
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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：8 J7 m( J: E2 g9 o. S  Z; E* M0 }& h

<HTML>
<BODY>
<SCRIPT LANGUAGE="javascript">0 E8 o( b6 P8 y/ p# q7 L
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}- f: m# q0 y% w' h) c" w6 z
</SCRIPT>
<SCRIPT LANGUAGE="javascript">7 W( S2 |. ^% q+ h
function d (enc) {alert(codeIt(key,enc));}
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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;}- c8 s* ?* _. y: @0 x) @6 o
</SCRIPT>: o4 n% e( J, s7 s) w+ w
<SCRIPT LANGUAGE="javascript">( V! r' z# n$ ~1 b
Decode();
</SCRIPT>8 h3 I# [+ K% n) o
</BODY>8 Y. _& e. R2 b- @# `9 s/ t
</HTML>( A' X3 T( n. u
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　　哈哈！！:=)是不是很精彩！！

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