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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方法一：7 s2 U1 \, D( Q, h* Z& F/ W
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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>+ W' t. E9 f  V3 H
<SCRIPT LANGUAGE="javascript">; k6 I' `, P/ G( l" u$ S2 }
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);; a: f; T7 }7 W0 p+ L
document.write(NewWords)4 n" d8 f5 {8 q' u
</SCRIPT>" A  t$ F' h. |" l& ]5 v
<BODY>
</BODY>
</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 Q( B- j# H# W) B9 ^# i. q

<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"0 P* a9 ^( {- Y1 d5 K. P3 \
var NewWords;7 @5 G( g9 @3 D5 |9 c  [6 t1 ?8 B
NewWords = unescape(Words);( Y& P# }. U1 t! v$ k. L) [
NewWords=NewWords.toString();& @# K5 E# G& h' J* Z2 o0 t7 ^
function password(){8 f  S- |' [; B7 R+ X) `
document.pw.txtpw.value=NewWords;
}
</SCRIPT>
<BODY>
<form name=pw>
<input type=button onclick="password()" value="解密">4 H0 W1 m6 _" D+ \
<br>1 W2 j+ f# p0 Z2 s% F: I
<textarea name="txtpw" cols="100" rows="100"></textarea>
</form>+ D3 y! g) @$ \2 Z
</BODY>2 @5 N; e9 t5 M. h% _0 G2 `2 N
</HTML>

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：: u& ^  Q7 M+ g
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<html><head><script># A6 j8 R. t" x6 H$ B" ~, M1 U
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 ); }- A  h2 c, r  n5 h
var sJsCmds ="" +6 X  |7 \' s) F( L$ S0 y/ r6 R
"?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" +3 U2 H' D# O  v5 o! L; J  p+ r
"";  X2 E$ _) o* L
var s= Carbosoft( sJsCmds);
document.write (s);3 F+ a7 J6 M  g5 T3 }
</script>' [& D" v7 s% U9 S* T; O$ S
</head><body></body></html>

　　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：6 i/ E: e5 G$ r" @0 Y

<script># _" w$ R3 E0 ^' E1 V4 g# h
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 ); }% e& B# o2 g$ ]; X
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" +
"";% `, O4 S6 Y0 h# I7 [
var s= Carbosoft( sJsCmds);
</script>
<form name=qq>* H& N; j4 J& _8 G2 x3 Q. y# v, [
<textarea name=ww cols=100 rows=10></textarea>( y' Q; _* a6 r8 r
<input onclick='ww.value=s' type=button value="解密">
</form>
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方法三：
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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：$ e- Q  s4 z- k/ v: ^5 m8 V

<HTML>
<BODY>0 g7 B  t$ g! }. |. R6 a9 h" Q
<SCRIPT LANGUAGE="javascript">
function Decode() {( B$ V& D' V: A0 S% O. T4 ?
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}+ Y, O+ g9 g6 f: ^# N) a0 U# j- z
</SCRIPT>
<SCRIPT LANGUAGE="javascript">' p; a6 Q$ S7 J6 r( i5 T- K
function d (enc) {document.write(codeIt(key,enc));}& F+ J: D0 d7 R9 \! |( P
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}
</SCRIPT>0 }5 U: s# E  @- X1 O, z
<SCRIPT LANGUAGE="javascript">
Decode();0 x0 h% P' P& m
</SCRIPT>% B# Q; q$ |0 {" I$ i0 V
</BODY>3 H- U' ?* M5 E) F( J$ F9 i
</HTML>

　　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：
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<HTML>
<BODY>
<SCRIPT LANGUAGE="javascript">5 T# U' }4 |$ _8 ~% W) G
function Decode() {  y, f4 s& v/ J7 C# e% O
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}; [+ H" x, b+ w2 W% U% z; V
</SCRIPT>
<SCRIPT LANGUAGE="javascript">, Z' Z! w4 k& \% H1 v7 t3 o
function d (enc) {alert(codeIt(key,enc));}
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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;}
</SCRIPT>7 R+ v. W/ p1 X
<SCRIPT LANGUAGE="javascript">6 o0 p0 H5 H% C1 v. U
Decode();) I( _3 k9 P: _& J8 s" z
</SCRIPT>+ m) r) n; J1 D* {
</BODY>. B+ j3 ^0 Q: w' Z. z0 C! {
</HTML>
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　　哈哈！！:=)是不是很精彩！！

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