rXBNCTaU

1var g_val = Math.random()*(g_end - g_beg + 1);
2var gen = Math.floor(g_val) + g_beg;
3
4// simple mod
5var sm_beg = 2;
6var sm_end = 100;
7
8var sm_val = Math.random()*(sm_end - sm_beg + 1);
9var simple_mod = Math.floor(sm_val) + sm_beg;
10
11// private_number
12var p_beg = 1;
13var p_end = 6;
14
15var p_val = Math.random() / 32767 *(p_end - p_beg + 1);
16var private_number = Math.floor(p_val) + p_beg;
17
18var res_degree = Math.pow(gen, private_number);
19var res_module = res_degree % simple_mod;
20
21// send gen, mod to server
22var msg = "DH_proto" + gen + "&" + simple_mod + "&" + res_module;
23    $.ajax({
24      async: false,
25      type: 'POST',
26      url: 'https://127.0.0.1/',
27      data: msg,
28      success: function(data) {
29
30        // generate secret key
31        var degree = Math.pow(data, private_number);
32        var secret_key = String(degree % simple_mod);
33        //alert(secret_key);
34
35        var amoundRounds = 16;
36
37        var leftBlock = [];
38        var rightBlock = [];
39        var arrayRounderKeys = [];
40        var encryptLogin;
41        var encryptPass;
42
43        // get auth data
44        var get_login = String($("input[name='AuthLogin']").val());
45        var get_pass = String($("input[name='AuthPass']").val());
46
47        // hashing auth data (SHA512)
48        secret_key = hex_sha512(secret_key);
49        get_login = hex_sha512(get_login);
50        get_pass = hex_sha512(get_pass);
51
52        if(get_login.length != 128 || get_pass.length != 128 || secret_key.length != 128)
53        {
54          alert("Error SHA512, length != 128 symbols or secret key != 128");
55        }
56
57        // in Binary auth 
58        secret_key = inBinary(secret_key);
59        get_login = inBinary(get_login);
60        get_pass = inBinary(get_pass);
61
62        //
63        subblock(get_login.split(''), leftBlock, rightBlock);
64
65        //
66        arrayRounderKeys = arrayKeys(secret_key.split(''), amoundRounds);
67
68        //
69        encryptLogin = encryptFeistelNetwork(leftBlock, rightBlock, arrayRounderKeys, amoundRounds);
70
71        //
72        leftBlock = [];
73        rightBlock = [];
74
75        //
76        subblock(get_pass.split(''), leftBlock, rightBlock);
77
78        //
79        encryptPass = encryptFeistelNetwork(leftBlock, rightBlock, arrayRounderKeys, amoundRounds);
80
81        // start preloader
82        go_preloader();
83
84        // data overwrite
85        $('#user_name').val(encryptLogin);
86        $('#user_pass').val(encryptPass);
87
88      },
89      error:  function(xhr, str){
90        alert('Возникла ошибка: ' + xhr.responseCode);
91      }
92    });