|
|
楼主 |
发表于 2022/7/9 13:28
|
显示全部楼层
| Google Chrome 103.0.0.0 | Windows 10
这个游戏的CG大概是用MD5来加密的，在plugins文件夹找到了个叫md5.js的文件
听说md5加密是无解的，如果是无解的游戏又是怎么显示被md5加密的cg文件呢？
- var md5 = md5 || {};
- (function($){
- var rotateLeft = function(lValue, iShiftBits) {
- return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
- }
- var addUnsigned = function(lX, lY) {
- var lX4, lY4, lX8, lY8, lResult;
- lX8 = (lX & 0x80000000);
- lY8 = (lY & 0x80000000);
- lX4 = (lX & 0x40000000);
- lY4 = (lY & 0x40000000);
- lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
- if (lX4 & lY4) return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
- if (lX4 | lY4) {
- if (lResult & 0x40000000) return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
- else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
- } else {
- return (lResult ^ lX8 ^ lY8);
- }
- }
- var F = function(x, y, z) {
- return (x & y) | ((~ x) & z);
- }
- var G = function(x, y, z) {
- return (x & z) | (y & (~ z));
- }
- var H = function(x, y, z) {
- return (x ^ y ^ z);
- }
- var I = function(x, y, z) {
- return (y ^ (x | (~ z)));
- }
- var FF = function(a, b, c, d, x, s, ac) {
- a = addUnsigned(a, addUnsigned(addUnsigned(F(b, c, d), x), ac));
- return addUnsigned(rotateLeft(a, s), b);
- };
- var GG = function(a, b, c, d, x, s, ac) {
- a = addUnsigned(a, addUnsigned(addUnsigned(G(b, c, d), x), ac));
- return addUnsigned(rotateLeft(a, s), b);
- };
- var HH = function(a, b, c, d, x, s, ac) {
- a = addUnsigned(a, addUnsigned(addUnsigned(H(b, c, d), x), ac));
- return addUnsigned(rotateLeft(a, s), b);
- };
- var II = function(a, b, c, d, x, s, ac) {
- a = addUnsigned(a, addUnsigned(addUnsigned(I(b, c, d), x), ac));
- return addUnsigned(rotateLeft(a, s), b);
- };
- var convertToWordArray = function(string) {
- var lWordCount;
- var lMessageLength = string.length;
- var lNumberOfWordsTempOne = lMessageLength + 8;
- var lNumberOfWordsTempTwo = (lNumberOfWordsTempOne - (lNumberOfWordsTempOne % 64)) / 64;
- var lNumberOfWords = (lNumberOfWordsTempTwo + 1) * 16;
- var lWordArray = Array(lNumberOfWords - 1);
- var lBytePosition = 0;
- var lByteCount = 0;
- while (lByteCount < lMessageLength) {
- lWordCount = (lByteCount - (lByteCount % 4)) / 4;
- lBytePosition = (lByteCount % 4) * 8;
- lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
- lByteCount++;
- }
- lWordCount = (lByteCount - (lByteCount % 4)) / 4;
- lBytePosition = (lByteCount % 4) * 8;
- lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
- lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
- lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
- return lWordArray;
- };
- var wordToHex = function(lValue) {
- var WordToHexValue = "", WordToHexValueTemp = "", lByte, lCount;
- for (lCount = 0; lCount <= 3; lCount++) {
- lByte = (lValue >>> (lCount * 8)) & 255;
- WordToHexValueTemp = "0" + lByte.toString(16);
- WordToHexValue = WordToHexValue + WordToHexValueTemp.substr(WordToHexValueTemp.length - 2, 2);
- }
- return WordToHexValue;
- };
- var uTF8Encode = function(string) {
- string = string.replace(/\x0d\x0a/g, "\x0a");
- var output = "";
- for (var n = 0; n < string.length; n++) {
- var c = string.charCodeAt(n);
- if (c < 128) {
- output += String.fromCharCode(c);
- } else if ((c > 127) && (c < 2048)) {
- output += String.fromCharCode((c >> 6) | 192);
- output += String.fromCharCode((c & 63) | 128);
- } else {
- output += String.fromCharCode((c >> 12) | 224);
- output += String.fromCharCode(((c >> 6) & 63) | 128);
- output += String.fromCharCode((c & 63) | 128);
- }
- }
- return output;
- };
- $.compute = function(string) {
- var x = Array();
- var k, AA, BB, CC, DD, a, b, c, d;
- var S11=7, S12=12, S13=17, S14=22;
- var S21=5, S22=9 , S23=14, S24=20;
- var S31=4, S32=11, S33=16, S34=23;
- var S41=6, S42=10, S43=15, S44=21;
- string = uTF8Encode(string);
- x = convertToWordArray(string);
- a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
- for (k = 0; k < x.length; k += 16) {
- AA = a; BB = b; CC = c; DD = d;
- a = FF(a, b, c, d, x[k+0], S11, 0xD76AA478);
- d = FF(d, a, b, c, x[k+1], S12, 0xE8C7B756);
- c = FF(c, d, a, b, x[k+2], S13, 0x242070DB);
- b = FF(b, c, d, a, x[k+3], S14, 0xC1BDCEEE);
- a = FF(a, b, c, d, x[k+4], S11, 0xF57C0FAF);
- d = FF(d, a, b, c, x[k+5], S12, 0x4787C62A);
- c = FF(c, d, a, b, x[k+6], S13, 0xA8304613);
- b = FF(b, c, d, a, x[k+7], S14, 0xFD469501);
- a = FF(a, b, c, d, x[k+8], S11, 0x698098D8);
- d = FF(d, a, b, c, x[k+9], S12, 0x8B44F7AF);
- c = FF(c, d, a, b, x[k+10], S13, 0xFFFF5BB1);
- b = FF(b, c, d, a, x[k+11], S14, 0x895CD7BE);
- a = FF(a, b, c, d, x[k+12], S11, 0x6B901122);
- d = FF(d, a, b, c, x[k+13], S12, 0xFD987193);
- c = FF(c, d, a, b, x[k+14], S13, 0xA679438E);
- b = FF(b, c, d, a, x[k+15], S14, 0x49B40821);
- a = GG(a, b, c, d, x[k+1], S21, 0xF61E2562);
- d = GG(d, a, b, c, x[k+6], S22, 0xC040B340);
- c = GG(c, d, a, b, x[k+11], S23, 0x265E5A51);
- b = GG(b, c, d, a, x[k+0], S24, 0xE9B6C7AA);
- a = GG(a, b, c, d, x[k+5], S21, 0xD62F105D);
- d = GG(d, a, b, c, x[k+10], S22, 0x2441453);
- c = GG(c, d, a, b, x[k+15], S23, 0xD8A1E681);
- b = GG(b, c, d, a, x[k+4], S24, 0xE7D3FBC8);
- a = GG(a, b, c, d, x[k+9], S21, 0x21E1CDE6);
- d = GG(d, a, b, c, x[k+14], S22, 0xC33707D6);
- c = GG(c, d, a, b, x[k+3], S23, 0xF4D50D87);
- b = GG(b, c, d, a, x[k+8], S24, 0x455A14ED);
- a = GG(a, b, c, d, x[k+13], S21, 0xA9E3E905);
- d = GG(d, a, b, c, x[k+2], S22, 0xFCEFA3F8);
- c = GG(c, d, a, b, x[k+7], S23, 0x676F02D9);
- b = GG(b, c, d, a, x[k+12], S24, 0x8D2A4C8A);
- a = HH(a, b, c, d, x[k+5], S31, 0xFFFA3942);
- d = HH(d, a, b, c, x[k+8], S32, 0x8771F681);
- c = HH(c, d, a, b, x[k+11], S33, 0x6D9D6122);
- b = HH(b, c, d, a, x[k+14], S34, 0xFDE5380C);
- a = HH(a, b, c, d, x[k+1], S31, 0xA4BEEA44);
- d = HH(d, a, b, c, x[k+4], S32, 0x4BDECFA9);
- c = HH(c, d, a, b, x[k+7], S33, 0xF6BB4B60);
- b = HH(b, c, d, a, x[k+10], S34, 0xBEBFBC70);
- a = HH(a, b, c, d, x[k+13], S31, 0x289B7EC6);
- d = HH(d, a, b, c, x[k+0], S32, 0xEAA127FA);
- c = HH(c, d, a, b, x[k+3], S33, 0xD4EF3085);
- b = HH(b, c, d, a, x[k+6], S34, 0x4881D05);
- a = HH(a, b, c, d, x[k+9], S31, 0xD9D4D039);
- d = HH(d, a, b, c, x[k+12], S32, 0xE6DB99E5);
- c = HH(c, d, a, b, x[k+15], S33, 0x1FA27CF8);
- b = HH(b, c, d, a, x[k+2], S34, 0xC4AC5665);
- a = II(a, b, c, d, x[k+0], S41, 0xF4292244);
- d = II(d, a, b, c, x[k+7], S42, 0x432AFF97);
- c = II(c, d, a, b, x[k+14], S43, 0xAB9423A7);
- b = II(b, c, d, a, x[k+5], S44, 0xFC93A039);
- a = II(a, b, c, d, x[k+12], S41, 0x655B59C3);
- d = II(d, a, b, c, x[k+3], S42, 0x8F0CCC92);
- c = II(c, d, a, b, x[k+10], S43, 0xFFEFF47D);
- b = II(b, c, d, a, x[k+1], S44, 0x85845DD1);
- a = II(a, b, c, d, x[k+8], S41, 0x6FA87E4F);
- d = II(d, a, b, c, x[k+15], S42, 0xFE2CE6E0);
- c = II(c, d, a, b, x[k+6], S43, 0xA3014314);
- b = II(b, c, d, a, x[k+13], S44, 0x4E0811A1);
- a = II(a, b, c, d, x[k+4], S41, 0xF7537E82);
- d = II(d, a, b, c, x[k+11], S42, 0xBD3AF235);
- c = II(c, d, a, b, x[k+2], S43, 0x2AD7D2BB);
- b = II(b, c, d, a, x[k+9], S44, 0xEB86D391);
- a = addUnsigned(a, AA);
- b = addUnsigned(b, BB);
- c = addUnsigned(c, CC);
- d = addUnsigned(d, DD);
- }
- var tempValue = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d);
- return tempValue.toLowerCase();
- }
- })(md5);
这是图片文件
 |
|
发表于 2022/7/9 13:00
Firefox 100.0
Windows 7
