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：: Z$ O- B7 V# O! ]0 w/ p
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<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"! m4 U3 f  ~( U8 Z
var NewWords;
NewWords = unescape(Words);6 k5 E& ~+ O+ F! A' E
document.write(NewWords)% t; O+ F7 Q9 p$ u0 o! K
</SCRIPT>
<BODY>$ Y" Q& w$ `; o
</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：. H" ]3 L& K9 k6 g, L* C
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<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"" \: [: W0 x. q. T* D2 S% B  x
var NewWords;
NewWords = unescape(Words);
NewWords=NewWords.toString();) v% I2 R) @7 i# C" h4 C( ?. l
function password(){
document.pw.txtpw.value=NewWords;7 g" Z1 S) ?+ z; n7 d
}
</SCRIPT>: ?) }' _+ `( y4 U7 H3 j
<BODY>/ ~+ R+ x7 h( A9 j) l: U
<form name=pw>/ S$ `( j3 p( U4 ~
<input type=button onclick="password()" value="解密">8 j3 v5 B* w: \% t
<br>
<textarea name="txtpw" cols="100" rows="100"></textarea>
</form>
</BODY>* [# S5 s7 `6 A4 F  R' s7 v
</HTML>: [8 O" D1 B& e
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方法二：" L, M$ V5 y2 p# V# _) N: b9 B7 k5 l
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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>+ j- P; _9 J5 n( z6 Y( t
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 ); }' Z6 v0 c7 Q$ F  Y
var sJsCmds ="" +7 I( w* f" v4 p2 O4 X& |; G
"?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" ++ x6 ~$ ]- J8 J0 c
"";
var s= Carbosoft( sJsCmds);
document.write (s);
</script>/ [; Y5 C. u5 R- ?) d7 l! }
</head><body></body></html># R# n' H7 T* M# d4 J# S& m
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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：
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<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" +1 O9 O: R  q7 _* Z9 O5 x* `. q5 F. k6 Z
"";2 b! S" y  o  |6 f' U
var s= Carbosoft( sJsCmds);! ~2 X- Q: m% ?$ T, B
</script>* a+ o: E: w! S
<form name=qq>9 |2 I' n1 ^9 [2 j7 `6 T& D5 h
<textarea name=ww cols=100 rows=10></textarea>
<input onclick='ww.value=s' type=button value="解密">0 B5 T/ n4 z, \$ D" I
</form>
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方法三：) z( s* P) y3 H  a2 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 B  ^$ _6 [) q" `) H5 e

<HTML>7 X- W1 o0 N4 [8 z! L" T1 |3 x/ B
<BODY>1 \' M' U1 M; Y0 h& J
<SCRIPT LANGUAGE="javascript">9 _5 K, d. z+ D! x6 h3 l
function Decode() {
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}. s1 k+ ^% R4 Z' T) n* d7 r
</SCRIPT>- ]+ S3 B8 ]" H, M$ z
<SCRIPT LANGUAGE="javascript">! C5 c  `* n$ ~: ?& ~' I( u1 T
function d (enc) {document.write(codeIt(key,enc));}
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}6 J& s: e. ~5 g9 I. X$ x3 T
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
Decode();4 A! S' O. p  u6 u2 r
</SCRIPT>$ O, |4 D: J% @2 a( s8 a4 i# I! f5 e
</BODY>
</HTML>  o! r: E9 p4 P* y& x4 P) X

　　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：5 e$ q0 w! v- Z+ }

<HTML>/ U. m$ V0 w9 @2 n
<BODY>, Z" m' x) p- }9 ?! X7 T
<SCRIPT LANGUAGE="javascript">
function Decode() {7 o% L7 ~' Z$ b# [# \2 D* k6 k
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}
</SCRIPT>
<SCRIPT LANGUAGE="javascript">
function d (enc) {alert(codeIt(key,enc));}% _$ h, \! L  C9 J& O
var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}8 S8 `) c; {# O7 e
</SCRIPT>; a2 A* J  o3 M) k$ C" I
<SCRIPT LANGUAGE="javascript">
Decode();
</SCRIPT>" Z3 \' E( K) n) h  B) U
</BODY>
</HTML>" k3 c% p: B3 g8 B6 h: x2 m8 \1 ?

　　哈哈！！:=)是不是很精彩！！

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