1. url： http://zzxt.hee.gov.cn/

2. target： 登录加密

3. 简单分析：

 

 这个应该很容易就能找到加密的js，直接拿出来就好。

4. js：

  1. /*
  2.  * md5
  3.  * Copyright(c) 2006, Jack Slocum.
  4.  * 
  5.  * This code is licensed under BSD license. Use it as you wish, 
  6.  * but keep this copyright intact.
  7.  */
  8.  
  9. var hexcase = 0;
  10. var b64pad = "";
  11. var chrsz = 8;
  12. function hex_md5(s) {
  13. return binl2hex(core_md5(str2binl(s), s.length * chrsz));
  14. }
  15. function b64_md5(s) {
  16. return binl2b64(core_md5(str2binl(s), s.length * chrsz));
  17. }
  18. function str_md5(s) {
  19. return binl2str(core_md5(str2binl(s), s.length * chrsz));
  20. }
  21. function hex_hmac_md5(key, data) {
  22. return binl2hex(core_hmac_md5(key, data));
  23. }
  24. function b64_hmac_md5(key, data) {
  25. return binl2b64(core_hmac_md5(key, data));
  26. }
  27. function str_hmac_md5(key, data) {
  28. return binl2str(core_hmac_md5(key, data));
  29. }
  30. function md5_vm_test() {
  31. return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
  32. }
  33. function core_md5(x, len) {
  34. x[len >> 5] |= 0x80 << ((len) % 32);
  35. x[(((len + 64) >>> 9) << 4) + 14] = len;
  36. var a = 1732584193;
  37. var b = -271733879;
  38. var c = -1732584194;
  39. var d = 271733878;
  40. for (var i = 0; i < x.length; i += 16) {
  41.     var olda = a;
  42.     var oldb = b;
  43.     var oldc = c;
  44.     var oldd = d;
  45.     a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
  46.     d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
  47.     c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
  48.     b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
  49.     a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
  50.     d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
  51.     c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
  52.     b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
  53.     a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
  54.     d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
  55.     c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
  56.     b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
  57.     a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
  58.     d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
  59.     c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
  60.     b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
  61.     a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
  62.     d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
  63.     c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
  64.     b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
  65.     a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
  66.     d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
  67.     c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
  68.     b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
  69.     a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
  70.     d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
  71.     c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
  72.     b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
  73.     a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
  74.     d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
  75.     c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
  76.     b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);
  77.     a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
  78.     d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
  79.     c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
  80.     b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
  81.     a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
  82.     d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
  83.     c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
  84.     b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
  85.     a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
  86.     d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
  87.     c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
  88.     b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
  89.     a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
  90.     d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
  91.     c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
  92.     b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);
  93.     a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
  94.     d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
  95.     c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
  96.     b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
  97.     a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
  98.     d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
  99.     c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
  100.     b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
  101.     a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
  102.     d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
  103.     c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
  104.     b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
  105.     a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
  106.     d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
  107.     c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
  108.     b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);
  109.     a = safe_add(a, olda);
  110.     b = safe_add(b, oldb);
  111.     c = safe_add(c, oldc);
  112.     d = safe_add(d, oldd);
  113. }
  114. return Array(a, b, c, d);
  115. }
  116. function md5_cmn(q, a, b, x, s, t) {
  117. return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
  118. }
  119. function md5_ff(a, b, c, d, x, s, t) {
  120. return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
  121. }
  122. function md5_gg(a, b, c, d, x, s, t) {
  123. return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
  124. }
  125. function md5_hh(a, b, c, d, x, s, t) {
  126. return md5_cmn(b ^ c ^ d, a, b, x, s, t);
  127. }
  128. function md5_ii(a, b, c, d, x, s, t) {
  129. return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
  130. }
  131. function core_hmac_md5(key, data) {
  132. var bkey = str2binl(key);
  133. if (bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
  134. var ipad = Array(16),
  135. opad = Array(16);
  136. for (var i = 0; i < 16; i++) {
  137.     ipad[i] = bkey[i] ^ 0x36363636;
  138.     opad[i] = bkey[i] ^ 0x5C5C5C5C;
  139. }
  140. var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  141. return core_md5(opad.concat(hash), 512 + 128);
  142. }
  143. function safe_add(x, y) {
  144. var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  145. var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  146. return (msw << 16) | (lsw & 0xFFFF);
  147. }
  148. function bit_rol(num, cnt) {
  149. return (num << cnt) | (num >>> (32 - cnt));
  150. }
  151. function str2binl(str) {
  152. var bin = Array();
  153. var mask = (1 << chrsz) - 1;
  154. for (var i = 0; i < str.length * chrsz; i += chrsz) bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << (i % 32);
  155. return bin;
  156. }
  157. function binl2str(bin) {
  158. var str = "";
  159. var mask = (1 << chrsz) - 1;
  160. for (var i = 0; i < bin.length * 32; i += chrsz) str += String.fromCharCode((bin[i >> 5] >>> (i % 32)) & mask);
  161. return str;
  162. }
  163. function binl2hex(binarray) {
  164. var hex_tab = hexcase ? "0123456789ABCDEF": "0123456789abcdef";
  165. var str = "";
  166. for (var i = 0; i < binarray.length * 4; i++) {
  167.     str += hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8)) & 0xF);
  168. }
  169. return str;
  170. }
  171. function binl2b64(binarray) {
  172. var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  173. var str = "";
  174. for (var i = 0; i < binarray.length * 4; i += 3) {
  175.     var triplet = (((binarray[i >> 2] >> 8 * (i % 4)) & 0xFF) << 16) | (((binarray[i + 1 >> 2] >> 8 * ((i + 1) % 4)) & 0xFF) << 8) | ((binarray[i + 2 >> 2] >> 8 * ((i + 2) % 4)) & 0xFF);
  176.     for (var j = 0; j < 4; j++) {
  177.         if (i * 8 + j * 6 > binarray.length * 32) str += b64pad;
  178.         else str += tab.charAt((triplet >> 6 * (3 - j)) & 0x3F);
  179.     }
  180. }
  181. return str;
  182. }
  184. function getPwd(pwd) {
  185. var salt = \'1#2$3%4(5)6@7!poeeww$3%4(5)djjkkldss\';
  186. return hex_md5(pwd + \'{\' + salt + \'}\')
  187. }

View Code

结果：

 

 自行对比网页中加密后的密码，是一致的。

版权声明：本文为zrmw原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
本文链接：https://www.cnblogs.com/zrmw/p/12154801.html