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！！' J% q/ I& P' f  p" b1 j+ @& y
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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：) E7 K; v( D& Z7 o

<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"* C, X$ D1 ~7 u. @
var NewWords;
NewWords = unescape(Words);
document.write(NewWords)" p; Z6 I# Q! I  T; q3 h: T
</SCRIPT>
<BODY>
</BODY>; Z+ z: N  @! U( |4 y
</HTML>! b- b6 C3 u* y9 C

　　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：

<HTML><SCRIPT LANGUAGE="javascript">4 w3 m  i; n) N6 x4 v
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;9 C- P; e( Y9 U' @
NewWords = unescape(Words);7 ~2 a$ ^" \* e
NewWords=NewWords.toString();% `/ h; y' a% `+ R+ a
function password(){6 h  Y! \% ]: g: C
document.pw.txtpw.value=NewWords;
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</SCRIPT>
<BODY>
<form name=pw>8 a7 t0 H2 W2 v
<input type=button onclick="password()" value="解密">/ n; @7 T+ x( h, Y" }+ }7 ^7 b
<br>( [& N6 J! f2 C8 m5 x3 g, `) B7 R$ {
<textarea name="txtpw" cols="100" rows="100"></textarea>4 P, `6 M/ U, m4 C* q
</form>3 P6 Q3 Q. O6 h7 h6 Q: Y2 U3 R5 W1 Q  t
</BODY>
</HTML>

方法二：$ v/ Q! J) v: f& o

　　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：) s; ^* p* O  J/ L
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<html><head><script>: M# g4 \$ D/ D$ B
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 ="" +1 n( t  Z0 ^* w5 n* O( l+ |
"?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" +
"";7 H% i; n$ c, r6 Z8 H# g! v: v
var s= Carbosoft( sJsCmds);
document.write (s);
</script>5 l& g1 f/ D. G3 t8 O' g. T8 X
</head><body></body></html>( ^: S2 r! r5 V* J
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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>
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 ); }9 H; H& r4 f% t  f$ t) W" w
var sJsCmds ="" +! n$ Q" ^- d6 t. N3 t* U% 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" +
"";
var s= Carbosoft( sJsCmds);
</script>; h  J$ N( R& l9 n  |
<form name=qq>
<textarea name=ww cols=100 rows=10></textarea>, h: t( s7 Z4 M5 f( n7 {
<input onclick='ww.value=s' type=button value="解密">( [& o- J- P+ U) l5 H
</form>
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方法三：5 u# G/ Q" z$ J1 [# q

　　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：$ V" P3 t+ m, s$ i4 d) d: P. }
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<HTML>0 D) ]; |, n/ Q& E8 Q7 v
<BODY>
<SCRIPT LANGUAGE="javascript">
function Decode() {  ]* e- I' z4 h9 ?
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
function d (enc) {document.write(codeIt(key,enc));}" z* Q) s& x: c& Z& V# g
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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;}& n( i' \" c# ~
</SCRIPT>) P4 ]5 l( _: R3 T" @+ O
<SCRIPT LANGUAGE="javascript">
Decode();
</SCRIPT>
</BODY>  @0 z0 t8 s& J/ P  f3 ]
</HTML>% f% |, s: j' o

　　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：% E  I2 m* v# r! B) S6 Z

<HTML>
<BODY>
<SCRIPT LANGUAGE="javascript">' k( t5 F2 |3 g1 m$ U. O6 c
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>& m/ R) b- ~- n0 W" o) v
<SCRIPT LANGUAGE="javascript">! J/ X; y1 }- k9 q2 z
function d (enc) {alert(codeIt(key,enc));}+ J2 ~1 U8 q5 f
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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">+ [  q/ w5 d' y& N  T% _4 x- z
Decode();: Y: D: P4 n6 O# c  h( U8 l
</SCRIPT>2 x# x/ s2 I0 \3 N) J
</BODY>8 E: C: a, I" {- ]% n: D& ?* u, x
</HTML>7 y0 J# q7 T4 _: C

　　哈哈！！:=)是不是很精彩！！

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