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IoC on letter difference

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relikd
2021-03-01 23:39:18 +01:00
parent 304bd4a6fd
commit 9f466cc02c
2 changed files with 15 additions and 2 deletions
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2
results/analysis.html
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@@ -5,7 +5,7 @@
<meta name="viewport" content="initial-scale=1.0,maximum-scale=1.0" /> <meta name="viewport" content="initial-scale=1.0,maximum-scale=1.0" />
<title>Cipher Analysis</title> <title>Cipher Analysis</title>
<link rel="stylesheet" type="text/css" href="style.css"> <link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="analysis.js?1"></script> <script type="text/javascript" src="analysis.js?2"></script>
</head> </head>
<body> <body>
<nav class="small"> <nav class="small">

15
results/analysis.js
View File

@@ -169,7 +169,7 @@ function count_table(id, nums) {
txt += '</tr>\n<tr>'; txt += '</tr>\n<tr>';
for (var i = 0; i <= high; i++) { txt += '<td>' + (counts[i] || '–') + '</td>'; } for (var i = 0; i <= high; i++) { txt += '<td>' + (counts[i] || '–') + '</td>'; }
txt += '</tr>\n</table>\n'; txt += '</tr>\n</table>\n';
txt += '<br><span class="small">⤳ IoC: ' + IC_direct(counts, high + 1).toFixed(3) + '</span>'; // txt += '<br><span class="small">⤳ IoC: ' + IC_direct(counts, high + 1).toFixed(3) + '</span>';
return txt; return txt;
} }
@@ -189,17 +189,28 @@ function sec_double() {
num_c.push([y, 'offset: ' + i]); num_c.push([y, 'offset: ' + i]);
} }
} }
var num_vig_b = [];
var num_vig_c = [];
for (var i = 0; i < num_b.length; i++) {
num_vig_b.push(window.txt_abc[num_b[i][0]]);
}
for (var i = 0; i < num_c.length; i++) {
num_vig_c.push(window.txt_abc[num_c[i][0]]);
}
var txt = ''; var txt = '';
txt += dt_dd('Double Letters:', num_stream(num_a), 'ioc-list small one', 'strm-dbls'); txt += dt_dd('Double Letters:', num_stream(num_a), 'ioc-list small one', 'strm-dbls');
txt += dt_dd('Letter Difference (2nd – 1st):', num_stream(num_b), 'ioc-list small two', 'strm-diff2a'); txt += dt_dd('Letter Difference (2nd – 1st):', num_stream(num_b), 'ioc-list small two', 'strm-diff2a');
txt += dt_dd('Count Difference (2nd – 1st):', count_table('tbl-ldiff2a', num_b)); txt += dt_dd('Count Difference (2nd – 1st):', count_table('tbl-ldiff2a', num_b));
txt += dt_dd('IoC Difference (2nd – 1st):', keylen_table('tbl-kldiff2', ['IoC'], [num_vig_b], 1, 18));
for (var i = num_b.length - 1; i >= 0; i--) { for (var i = num_b.length - 1; i >= 0; i--) {
num_b[i][0] = Math.min(num_b[i][0], window.txt_abc.length - num_b[i][0]) num_b[i][0] = Math.min(num_b[i][0], window.txt_abc.length - num_b[i][0])
} }
txt += dt_dd('Letter Difference (2nd, Absolute):', num_stream(num_b), 'ioc-list small two', 'strm-diff2b'); txt += dt_dd('Letter Difference (2nd, Absolute):', num_stream(num_b), 'ioc-list small two', 'strm-diff2b');
txt += dt_dd('Count Difference (2nd, Absolute):', count_table('tbl-ldiff2b', num_b)); txt += dt_dd('Count Difference (2nd, Absolute):', count_table('tbl-ldiff2b', num_b));
txt += dt_dd('Letter Difference (3rd – 1st):', num_stream(num_c), 'ioc-list small two', 'strm-diff3a'); txt += dt_dd('Letter Difference (3rd – 1st):', num_stream(num_c), 'ioc-list small two', 'strm-diff3a');
txt += dt_dd('Count Difference (3rd – 1st):', count_table('tbl-ldiff3a', num_c)); txt += dt_dd('Count Difference (3rd – 1st):', count_table('tbl-ldiff3a', num_c));
txt += dt_dd('IoC Difference (3rd – 1st):', keylen_table('tbl-kldiff3', ['IoC'], [num_vig_c], 1, 18));
for (var i = num_c.length - 1; i >= 0; i--) { for (var i = num_c.length - 1; i >= 0; i--) {
num_c[i][0] = Math.min(num_c[i][0], window.txt_abc.length - num_c[i][0]) num_c[i][0] = Math.min(num_c[i][0], window.txt_abc.length - num_c[i][0])
} }
@@ -213,6 +224,8 @@ function sec_double() {
apply_colors('strm-diff' + i + 'b', 'div', 0, parseInt((window.txt_abc.length - 1) / 2)); apply_colors('strm-diff' + i + 'b', 'div', 0, parseInt((window.txt_abc.length - 1) / 2));
apply_colors('tbl-ldiff' + i + 'a', 'td'); apply_colors('tbl-ldiff' + i + 'a', 'td');
apply_colors('tbl-ldiff' + i + 'b', 'td'); apply_colors('tbl-ldiff' + i + 'b', 'td');
apply_colors('tbl-kldiff' + i, 'tr:not(.small)>td', MIN_IOC, MAX_IOC);
apply_colors('tbl-kldiff' + i, 'tr.small>td', MIN_CHR, MAX_CHR);
} }
} }