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：$ w$ v$ ]+ ~$ K' M& r8 j
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<HTML>' V3 P$ R3 w$ r* w
<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;
NewWords = unescape(Words);2 Y  V% n5 K. n3 H# {; s0 l
document.write(NewWords)
</SCRIPT>0 s7 d- m# c) r. n. j+ \; F6 k2 D
<BODY>0 m2 D" q. R) S: I9 i7 f% g
</BODY>2 p7 J: Q. d8 }5 W
</HTML>$ c4 R4 b, ~+ K* P% k/ x2 E! s

　　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：5 s' f' X$ d" R

<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;
NewWords = unescape(Words);
NewWords=NewWords.toString();+ |( y. M" }6 @/ Q' `9 Z# a
function password(){5 S8 L1 Y! X0 i) s. `
document.pw.txtpw.value=NewWords;; P1 s. @$ }' j( k
}
</SCRIPT>& g& j7 O0 z3 R' L9 L' Q
<BODY>9 ^  \$ `) r& }& [( f+ m" e  S: \
<form name=pw>
<input type=button onclick="password()" value="解密">
<br>2 w* c- j7 n: F
<textarea name="txtpw" cols="100" rows="100"></textarea>+ i# Q8 U* v7 @1 d. Q, u2 ^: u% `
</form>; e& i' y  w' O& n& |$ n
</BODY>
</HTML>0 A4 U: [+ E2 F9 `" Q
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方法二：( M7 e9 _) x  R! `
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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：
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<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 ="" +. s& M) w& w( A1 ]
"?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" +
"";: A% O6 ~: q3 x; L: q  W
var s= Carbosoft( sJsCmds);, x$ J5 F/ H" z2 i1 D/ z4 @" M# D
document.write (s);: A9 H7 R! }( s* }
</script>
</head><body></body></html>0 B" F; q' W' o3 j0 h2 D  Y
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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>4 F( v& R) l2 [. |- o' l
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" +
"";9 s; f3 D0 [, l' c# p7 t6 D6 U; p
var s= Carbosoft( sJsCmds);
</script>( J* A) Z% F- g6 D
<form name=qq>: M5 R& Q7 H& ~8 o# o; C/ ~
<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：' f; y+ d1 W: m7 b

　　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：1 D9 V7 {+ R1 @
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<HTML>
<BODY>
<SCRIPT LANGUAGE="javascript">6 }/ C' ^8 ?( d$ w0 M  }1 g
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}7 \" t/ S' P) S  ~
</SCRIPT>3 n4 Y! Z( l3 e/ I( F6 X
<SCRIPT LANGUAGE="javascript">* j0 n" {$ ~) D" \- Z# ?
function d (enc) {document.write(codeIt(key,enc));}" K+ K3 s! F5 _7 H6 a; _. t1 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;}1 O3 Y3 `* H8 n) w
</SCRIPT>6 u: Z9 p: j9 t) ?
<SCRIPT LANGUAGE="javascript">- l: R( y1 z  D3 _
Decode();9 A. m6 L8 R, X) t
</SCRIPT>6 H0 L! N: ]' V0 K
</BODY>
</HTML>9 ?3 y  c, T- |5 C% W- f

　　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>! X' \- V6 s" }6 Z) P& a9 e2 Z
<SCRIPT LANGUAGE="javascript">" G- }% `; i! P% h' |
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}5 e: r+ d0 @) S  c7 S' ?
</SCRIPT>6 b7 X) ?- {- Q
<SCRIPT LANGUAGE="javascript">, ~; J# y# ?' `+ _8 J; W
function d (enc) {alert(codeIt(key,enc));}
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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;}# p9 p) Y& n+ L! f$ a
</SCRIPT>3 p# _. z9 D# U; ?( N; L
<SCRIPT LANGUAGE="javascript">. j. c! {( y( y0 Q% \# b% Z' `' f- ~
Decode();
</SCRIPT>% R- C% I; W8 k. k4 k
</BODY>5 o2 [8 O: `6 X7 q
</HTML>9 T4 @  t$ _( i$ _- M% N) n
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　　哈哈！！:=)是不是很精彩！！

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