答案：前两天看见有人问静态网页加密问题，就写了这个代码 稍微有些长，解释一下思路： 加密时：先把用户的密钥A用md5加密为B,然后用B异或源文件S0得到目标文件S1，把S1存入js变量中。 解密时：询问密钥，然后操作同加密。 因为用了md5，个人认为没有密钥的时候是无法破解的（暴力除外） 大家试用一下 <html> <head> <title>Web Encoder</title> <style> body { font-size:12px; line-height:12px; background-Color:buttonface; border-width:0px; overflow:auto; margin:0px; padding:4px; } #t1, #t2 { width:100%; height:40%; border-width:1px; overflow:auto; height:expression((document.body.clientHeight-100)/2); } input { border-width:1px; padding-left:10px; padding-right:10px; margin:4px; } </style> <script> function webEncode(){ strSource=escape(XOR(t1.value,STR.md5(p1.value))); //strSource=t1.value; strOut="<script>\r\nstrHTML=\"\";\r\n"; for(var i=0;i+70<strSource.length;i+=70){ strOut+="strHTML+=\""+addSlash(strSource.substring(i,i+70))+"\";\r\n"; } strOut+="strHTML+=\""+addSlash(strSource.substring(i,strSource.length))+"\";\r\n"; strOut+=XOR+"\r\n"; //below code load the STR object strOut+="var STR =\r\n{\r\n\thexcase : 0, \/* hex output format. 0 - lowercase; 1 - "; strOut+="uppercase *\/\r\n\tb64pad : \"\", \/* base-64 pad character. \"=\" for "; strOut+="strict RFC compliance *\/\r\n\tchrsz : 8, \/* bits per input character"; strOut+=". 8 - ASCII; 16 - Unicode *\/\r\n\t\r\n\tb64_hmac_md5:\r\n\t\tfunction(key, "; strOut+="data) { return binl2b64(core_hmac_md5(key, data)); },\r\n\t\t\r\n\tb64_md5:\r\n"; strOut+="\t\tfunction(s){ return binl2b64(core_md5(str2binl(s), s.length * this.c"; strOut+="hrsz));},\r\n\t\t\r\n\tbinl2b64:\r\n\t\tfunction(binarray){\r\n\t\t var tab = \"ABCDE"; strOut+="FGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/\";\r\n\t\t var"; strOut+=" str = \"\";\r\n\t\t for(var i = 0; i < binarray.length * 4; i += 3)\r\n\t\t {"; strOut+="\r\n\t\t var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) "; strOut+="<< 16)\r\n\t\t | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & "; strOut+="0xFF) << 8 )\r\n\t\t | ((binarray[i+2 >> 2] >> 8 * ((i+2)%"; strOut+="4)) & 0xFF);\r\n\t\t for(var j = 0; j < 4; j++)\r\n\t\t {\r\n\t\t if(i "; strOut+="* 8 + j * 6 > binarray.length * 32) str += this.b64pad;\r\n\t\t else "; strOut+="str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);\r\n\t\t }\r\n\t\t }\r\n\t\t r"; strOut+="eturn str;\r\n\t\t},\r\n\t\t\r\n\tbinl2hex:\r\n\t\tfunction(binarray){\r\n\t\t var hex_t"; strOut+="ab = this.hexcase ? \"0123456789ABCDEF\" : \"0123456789abcdef\";\r\n\t\t var "; strOut+="str = \"\";\r\n\t\t for(var i = 0; i < binarray.length * 4; i++)\r\n\t\t {\r\n\t\t"; strOut+=" str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +\r\n\t\t"; strOut+=" hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);\r\n\t\t "; strOut+=" }\r\n\t\t return str;\r\n\t\t},\r\n\t\r\n\tbinl2str:\r\n\t\tfunction(bin){\r\n\t\t var st"; strOut+="r = \"\";\r\n\t\t var mask = (1 << this.chrsz) - 1;\r\n\t\t for(var i = 0; i <"; strOut+=" bin.length * 32; i += this.chrsz)\r\n\t\t str += String.fromCharCode(("; strOut+="bin[i>>5] >>> (i % 32)) & mask);\r\n\t\t return str;\r\n\t\t},\r\n\t\t\r\n\tbit_rol:"; strOut+="\r\n\t\tfunction(num, cnt){return (num << cnt) | (num >>> (32 - cnt));},\r\n"; strOut+="\t\t\r\n\tcore_hmac_md5:\r\n\t\tfunction(key, data){\r\n\t\t var bkey = str2binl(k"; strOut+="ey);\r\n\t\t if(bkey.length > 16) bkey = core_md5(bkey, key.length * this"; strOut+=".chrsz);\r\n\t\t\r\n\t\t var ipad = Array(16), opad = Array(16);\r\n\t\t for(var"; strOut+=" i = 0; i < 16; i++)\r\n\t\t {\r\n\t\t ipad[i] = bkey[i] ^ 0x36363636;\r\n\t\t"; strOut+=" opad[i] = bkey[i] ^ 0x5C5C5C5C;\r\n\t\t }\r\n\t\t\r\n\t\t var hash = core_md"; strOut+="5(ipad.concat(str2binl(data)), 512 + data.length * this.chrsz);\r\n\t\t r"; strOut+="eturn core_md5(opad.concat(hash), 512 + 128);\r\n\t\t},\r\n\t\t\r\n\tcore_md5:\r\n\t"; strOut+="\tfunction(x, len){\r\n\t\t \/* append padding *\/\r\n\t\t x[len >> 5] |= 0x80 "; strOut+="<< ((len) % 32);\r\n\t\t x[(((len + 64) >>> 9) << 4) + 14] = len;\r\n\t\t\r\n\t\t"; strOut+=" var a = 1732584193;\r\n\t\t var b = -271733879;\r\n\t\t var c = -17325841"; strOut+="94;\r\n\t\t var d = 271733878;\r\n\t\t\r\n\t\t for(var i = 0; i < x.length; i +"; strOut+="= 16)\r\n\t\t {\r\n\t\t var olda = a;\r\n\t\t var oldb = b;\r\n\t\t var oldc"; strOut+=" = c;\r\n\t\t var oldd = d;\r\n\t\t\r\n\t\t a = this.md5_ff(a, b, c, d, x[i+"; strOut+=" 0], 7 , -680876936);\r\n\t\t d = this.md5_ff(d, a, b, c, x[i+ 1], 12, "; strOut+="-389564586);\r\n\t\t c = this.md5_ff(c, d, a, b, x[i+ 2], 17, 60610581"; strOut+="9);\r\n\t\t b = this.md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);\r\n\t\t "; strOut+=" a = this.md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);\r\n\t\t d = th"; strOut+="is.md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);\r\n\t\t c = this.md5_f"; strOut+="f(c, d, a, b, x[i+ 6], 17, -1473231341);\r\n\t\t b = this.md5_ff(b, c, "; strOut+="d, a, x[i+ 7], 22, -45705983);\r\n\t\t a = this.md5_ff(a, b, c, d, x[i+"; strOut+=" 8], 7 , 1770035416);\r\n\t\t d = this.md5_ff(d, a, b, c, x[i+ 9], 12,"; strOut+=" -1958414417);\r\n\t\t c = this.md5_ff(c, d, a, b, x[i+10], 17, -42063)"; strOut+=";\r\n\t\t b = this.md5_ff(b, c, d, a, x[i+11], 22, -1990404162);\r\n\t\t "; strOut+=" a = this.md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);\r\n\t\t d = thi"; strOut+="s.md5_ff(d, a, b, c, x[i+13], 12, -40341101);\r\n\t\t c = this.md5_ff(c"; strOut+=", d, a, b, x[i+14], 17, -1502002290);\r\n\t\t b = this.md5_ff(b, c, d, "; strOut+="a, x[i+15], 22, 1236535329);\r\n\t\t\r\n\t\t a = this.md5_gg(a, b, c, d, x"; strOut+="[i+ 1], 5 , -165796510);\r\n\t\t d = this.md5_gg(d, a, b, c, x[i+ 6], 9"; strOut+=" , -1069501632);\r\n\t\t c = this.md5_gg(c, d, a, b, x[i+11], 14, 6437"; strOut+="17713);\r\n\t\t b = this.md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);\r\n"; strOut+="\t\t a = this.md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);\r\n\t\t d ="; strOut+=" this.md5_gg(d, a, b, c, x[i+10], 9 , 38016083);\r\n\t\t c = this.md5_"; strOut+="gg(c, d, a, b, x[i+15], 14, -660478335);\r\n\t\t b = this.md5_gg(b, c, "; strOut+="d, a, x[i+ 4], 20, -405537848);\r\n\t\t a = this.md5_gg(a, b, c, d, x[i"; strOut+="+ 9], 5 , 568446438);\r\n\t\t d = this.md5_gg(d, a, b, c, x[i+14], 9 ,"; strOut+=" -1019803690);\r\n\t\t c = this.md5_gg(c, d, a, b, x[i+ 3], 14, -187363"; strOut+="961);\r\n\t\t b = this.md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);\r\n\t"; strOut+="\t a = this.md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);\r\n\t\t d ="; strOut+=" this.md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);\r\n\t\t c = this.md5_"; strOut+="gg(c, d, a, b, x[i+ 7], 14, 1735328473);\r\n\t\t b = this.md5_gg(b, c,"; strOut+=" d, a, x[i+12], 20, -1926607734);\r\n\t\t\r\n\t\t a = this.md5_hh(a, b, c, "; strOut+="d, x[i+ 5], 4 , -378558);\r\n\t\t d = this.md5_hh(d, a, b, c, x[i+ 8], "; strOut+="11, -2022574463);\r\n\t\t c = this.md5_hh(c, d, a, b, x[i+11], 16, 183"; strOut+="9030562);\r\n\t\t b = this.md5_hh(b, c, d, a, x[i+14], 23, -35309556);\r"; strOut+="\n\t\t a = this.md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);\</pre><p>上一个：<a 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前两天看见有人问静态网页加密问题，就写了这个代码 稍微有些长，解释一下思路： 加密时：先把用户的密钥A用md5加密为B,然后用B异或源文件S0得到目标文件S1，把S1存入js变量中。 解密时：询问密钥，然后操作同加密。 因为用了md5，个人认为没有密钥的时候是无法破解的（暴力除外） 大家试用一下