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！！! z. |1 |1 L# O& a, K  n3 s) j

方法一：
7 D' c! @/ u, ~3 S# }
6 S/ }; n* _* W
　　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>- \- h4 A3 T$ M: K/ Q
<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"9 B8 O$ h( d/ D" ~5 m3 k4 s& @
var NewWords;
NewWords = unescape(Words);
document.write(NewWords)) W8 `4 l: o" x" l
</SCRIPT>
<BODY>( q  }* |) U# U" ]/ ?: R
</BODY>: K! B" o$ p. K3 @+ I  u
</HTML>0 k3 R% l. i9 P  ?+ R
! E. Z, a4 I* p  H! V
　　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：6 X+ u# F; d5 G9 e2 p) c

<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 Q# t  s- s5 T0 s1 H- A& M; r
var NewWords;0 C9 y/ ?/ w' D# }' H, x. N
NewWords = unescape(Words);) y5 S8 X; ~5 s7 P7 Z. ?8 @6 d+ ~
NewWords=NewWords.toString();
function password(){
document.pw.txtpw.value=NewWords;( d  H. L3 A- i1 Y& s4 ~- D! v
}
</SCRIPT>8 S' x* s# A  |+ }
<BODY>
<form name=pw>. Z! ~9 m& |: v! x: y8 n
<input type=button onclick="password()" value="解密">
<br>
<textarea name="txtpw" cols="100" rows="100"></textarea>$ |8 }/ j8 ]/ i
</form>
</BODY>
</HTML>

方法二：5 d' d0 m0 N/ ~% C: n1 v+ n! u0 q
3 A, y5 w: T. I. `! Z* u4 G
　　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：& F6 @+ D" v  {! S6 i0 n
$ W2 W( k0 X" t% ^
<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" +% w& D7 y/ ~! ^6 c2 F
"";
var s= Carbosoft( sJsCmds);
document.write (s);: `; u7 E9 F' H' ~7 T
</script>
</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：1 F* c$ _; ~' f6 I; S" g
: a9 `) j% T8 |* ~& |0 `
<script>4 N8 {, n0 @. d; 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 ); }( i8 @6 \( c; {9 ]% J; V6 o. e
var sJsCmds ="" +$ A5 r1 b5 |3 S8 X$ B
"?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);& ]( h$ v$ S, n" _
</script>( U$ V/ |4 D6 J) p+ q, X) [2 m# Y$ i
<form name=qq>5 t* t9 W4 O& I' R3 O
<textarea name=ww cols=100 rows=10></textarea>7 p2 H! E) h7 u: @* s. g
<input onclick='ww.value=s' type=button value="解密">
</form>

! p- ]0 O* v6 R* J+ O
方法三：
8 ?: ~9 D, R+ O
　　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：. y+ e4 f0 }' |2 N8 s- q

<HTML>0 X7 `0 I( Y+ d0 h  C. ?
<BODY>
<SCRIPT LANGUAGE="javascript">- f, V" I7 v1 l, q3 d' N
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
function d (enc) {document.write(codeIt(key,enc));}
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\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;}& }. C5 h, |  q+ i9 e0 v" h% Z- o
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
Decode();% K( f5 P$ E' {/ X
</SCRIPT>4 }/ r: y5 H7 D8 U+ S; b
</BODY>; F+ @6 Y+ x$ s% ?
</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：. O2 O' O& U, O! b( i* ~8 O
) Y' [0 n$ }1 d
<HTML>, {* i6 q1 F! l  G) _4 H
<BODY>. `! y4 ?3 b" ^
<SCRIPT LANGUAGE="javascript">
function Decode() {; j; ?+ I  K! h! t+ i
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>& P7 b( {1 c* y; Y' y
<SCRIPT LANGUAGE="javascript">+ l6 a# ?8 Q" }$ y% B$ x
function d (enc) {alert(codeIt(key,enc));}
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}3 k& F# Q+ Y. f
</SCRIPT>' w5 W/ O, l8 J$ Y2 j  `
<SCRIPT LANGUAGE="javascript">9 v7 b0 H( R! @2 x
Decode();% f% v; d: l9 Z! s9 Z' T
</SCRIPT>6 {" Z5 S% [$ p- {& w1 W
</BODY>
</HTML>. X, M. Y3 `3 _! z$ ?2 T* f% I/ X

　　哈哈！！:=)是不是很精彩！！

捌玖网络 89w.org----致力于站长学习交流

返回列表

网页制作中页面的加密和破解

[收藏此主题] [关注此主题的新回复]

[通过 QQ、MSN 分享给朋友]