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：

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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：
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<HTML>8 a( R5 i# e: h: Y
<SCRIPT LANGUAGE="javascript">" c, `  O/ N4 ~- z- W6 M' \2 D1 D
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);9 {5 [$ [1 ~. x/ o
document.write(NewWords)  M4 Z4 {' O7 R' m/ j: u. |
</SCRIPT>
<BODY>7 S3 n, o9 N. l
</BODY>. F: n3 _1 `$ s3 I4 j6 \
</HTML>! F$ X- `. Y7 J$ h

　　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">1 }4 b( C8 n7 B# s4 [1 N! X
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"6 L/ Y5 u2 f- k5 o3 e; N. u9 N1 Q
var NewWords;
NewWords = unescape(Words);/ w2 r, T9 Z0 b
NewWords=NewWords.toString();
function password(){4 }2 w$ e8 I* T! c9 N/ D3 `+ j! W
document.pw.txtpw.value=NewWords;) |8 u) R! ~7 a) R7 k+ d( f4 G' {
}
</SCRIPT>2 ~: ], A% L$ ~1 ~& X' z4 T+ J, b
<BODY>
<form name=pw>
<input type=button onclick="password()" value="解密">' }! E3 {; h2 P5 U
<br>' Y/ O( n6 q, v" Z  Q/ ^
<textarea name="txtpw" cols="100" rows="100"></textarea>. N! T7 E2 l7 F# ~
</form>! ?6 Z2 U2 O" j; i' n5 a+ r  q
</BODY>2 p/ Z. [: o; ]8 U
</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：" g2 F1 z* A$ J; j$ G! e8 B! N
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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 ="" +, y' B. b7 {& L3 G! i0 U
"?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" w2 E$ F% r/ n- }
var s= Carbosoft( sJsCmds);" O8 g- v$ t4 a; E
document.write (s);& u/ \6 ?2 ^/ Q" J# u4 s
</script>
</head><body></body></html>3 w% R" t4 z9 s( ~! l$ p
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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：6 p8 K6 {5 i) t

<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 ); }) W. l* s" H8 e8 w- L
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" +$ x4 M- M3 `! i* P+ [
"";
var s= Carbosoft( sJsCmds);
</script>
<form name=qq>
<textarea name=ww cols=100 rows=10></textarea># L- l' t* |3 Y' _( b8 X; C
<input onclick='ww.value=s' type=button value="解密">/ {' H, d; c4 w$ U0 c
</form>4 i, E0 o5 y" T/ K
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方法三：3 z$ d: z, Q) Z9 U$ P/ N
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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：1 F6 Q9 Y* y7 I  s7 q3 U1 ]
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<HTML>
<BODY>
<SCRIPT LANGUAGE="javascript">
function Decode() {6 `4 V4 y- d  \! u' A1 g! Y
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}# F' a4 \9 c1 N! E0 k: P
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
function d (enc) {document.write(codeIt(key,enc));}2 d& a% `6 Z$ C. M, L1 l. ^
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>4 y1 |% Z- |- A
<SCRIPT LANGUAGE="javascript">
Decode();
</SCRIPT>: ~  q) e) s, D* @, r
</BODY>
</HTML>9 j/ F& w- K# L( A% d

　　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：+ Q. x- \' {  P$ w0 m4 H

<HTML>$ ]2 e# g- G" l4 D% f
<BODY>3 ]" Z- e  D, Q# c
<SCRIPT LANGUAGE="javascript">
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>! H$ ]8 D; ~$ n/ o% B
<SCRIPT LANGUAGE="javascript">
function d (enc) {alert(codeIt(key,enc));}8 U/ ?& d' B6 Q' Y& O! 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 z6 V# z( e0 r- X3 j
</SCRIPT>' h9 s) z, ]: o5 ?! ~
<SCRIPT LANGUAGE="javascript">3 N6 ~4 c) S* x, H) P7 e. B
Decode();* U  V1 S, z0 Z) J
</SCRIPT>' N7 ]/ \5 @3 i2 j5 w
</BODY>) k! [# s2 r7 P, g  X4 u5 I
</HTML>

　　哈哈！！:=)是不是很精彩！！

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