静态网页的加密思路
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灯火互联
楼主
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 | 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） 请运行代码查看效果： 代码实例： <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> strHTML=""; "; for(var i=0;i+70<strSource.length;i+=70){ strOut+="strHTML+=""+addSlash(strSource.substring(i,i+70))+""; "; } strOut+="strHTML+=""+addSlash(strSource.substring(i,strSource.length))+""; "; strOut+=XOR+" "; //below code load the STR object strOut+="var STR = { hexcase : 0, /* hex output format. 0 - lowercase; 1 - "; strOut+="uppercase */ b64pad : "", /* base-64 pad character. "=" for "; strOut+="strict RFC compliance */ chrsz : 8, /* bits per input character"; strOut+=". 8 - ASCII; 16 - Unicode */ b64_hmac_md5: function(key, "; strOut+="data) { return binl2b64(core_hmac_md5(key, data)); }, b64_md5: "; strOut+=" function(s){ return binl2b64(core_md5(str2binl(s), s.length * this.c"; strOut+="hrsz));}, binl2b64: function(binarray){ var tab = "ABCDE"; strOut+="FGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var"; strOut+=" str = ""; for(var i = 0; i < binarray.length * 4; i += 3) {"; strOut+=" var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) ; 0xFF) "; strOut+="<< 16) | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) ; "; strOut+="0xFF) << 8 ) | ((binarray[i+2 >> 2] >> 8 * ((i+2)%"; strOut+="4)) ; 0xFF); for(var j = 0; j < 4; j++) { if(i "; strOut+="* 8 + j * 6 > binarray.length * 32) str += this.b64pad; else "; strOut+="str += tab.charAt((triplet >> 6*(3-j)) ; 0x3F); } } r"; strOut+="eturn str; }, binl2hex: function(binarray){ var hex_t"; strOut+="ab = this.hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var "; strOut+="str = ""; for(var i = 0; i < binarray.length * 4; i++) { "; strOut+=" str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) ; 0xF) + "; strOut+=" hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) ; 0xF); "; strOut+=" } return str; }, binl2str: function(bin){ var st"; strOut+="r = ""; var mask = (1 << this.chrsz) - 1; for(var i = 0; i <"; strOut+=" bin.length * 32; i += this.chrsz) str += String.fromCharCode(("; strOut+="bin[i>>5] >>> (i % 32)) ; mask); return str; }, bit_rol:"; strOut+=" function(num, cnt){return (num << cnt) | (num >>> (32 - cnt));}, "; strOut+=" core_hmac_md5: function(key, data){ var bkey = str2binl(k"; strOut+="ey); if(bkey.length > 16) bkey = core_md5(bkey, key.length * this"; strOut+=".chrsz); var ipad = Array(16), opad = Array(16); for(var"; strOut+=" i = 0; i < 16; i++) { ipad = bkey ^ 0x36363636; "; strOut+=" opad = bkey ^ 0x5C5C5C5C; } var hash = core_md"; strOut+="5(ipad.concat(str2binl(data)), 512 + data.length * this.chrsz); r"; strOut+="eturn core_md5(opad.concat(hash), 512 + 128); }, core_md5: "; strOut+=" function(x, len){ /* append padding */ x[len >> 5] |= 0x80 "; strOut+="<< ((len) % 32); x[(((len + 64) >>> 9) << 4) + 14] = len; "; strOut+=" var a = 1732584193; var b = -271733879; var c = -17325841"; strOut+="94; var d = 271733878; for(var i = 0; i < x.length; i +"; strOut+="= 16) { var olda = a; var oldb = b; var oldc"; strOut+=" = c; var oldd = d; a = this.md5_ff(a, b, c, d, x[i+"; strOut+=" 0], 7 , -680876936); d = this.md5_ff(d, a, b, c, x[i+ 1], 12, "; strOut+="-389564586); c = this.md5_ff(c, d, a, b, x[i+ 2], 17, 60610581"; strOut+="9); b = this.md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); "; strOut+=" a = this.md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); d = th"; strOut+="is.md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); c = this.md5_f"; strOut+="f(c, d, a, b, x[i+ 6], 17, -1473231341); b = this.md5_ff(b, c, "; strOut+="d, a, x[i+ 7], 22, -45705983); a = this.md5_ff(a, b, c, d, x[i+"; strOut+=" 8], 7 , 1770035416); d = this.md5_ff(d, a, b, c, x[i+ 9], 12,"; strOut+=" -1958414417); c = this.md5_ff(c, d, a, b, x[i+10], 17, -42063)"; strOut+="; b = this.md5_ff(b, c, d, a, x[i+11], 22, -1990404162); "; strOut+=" a = this.md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); d = thi"; strOut+="s.md5_ff(d, a, b, c, x[i+13], 12, -40341101); c = this.md5_ff(c"; strOut+=", d, a, b, x[i+14], 17, -1502002290); b = this.md5_ff(b, c, d, "; strOut+="a, x[i+15], 22, 1236535329); a = this.md5_gg(a, b, c, d, x"; strOut+="[i+ 1], 5 , -165796510); d = this.md5_gg(d, a, b, c, x[i+ 6], 9"; strOut+=" , -1069501632); c = this.md5_gg(c, d, a, b, x[i+11], 14, 6437"; strOut+="17713); b = this.md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); "; strOut+=" a = this.md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); d ="; strOut+=" this.md5_gg(d, a, b, c, x[i+10], 9 , 38016083); c = this.md5_"; strOut+="gg(c, d, a, b, x[i+15], 14, -660478335); b = this.md5_gg(b, c, "; strOut+="d, a, x[i+ 4], 20, -405537848); a = this.md5_g | |
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