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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>🔐 Multi-Cipher Cracker v2.3</title>
<style>
* { box-sizing: border-box; }
body {
font-family: 'Courier New', monospace;
font-size: 14px;
margin: 0;
padding: 20px;
background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 100%);
color: #ccc;
min-height: 100vh;
}
.container { max-width: 1100px; margin: 0 auto; }
h1 { text-align: center; color: #00ff88; text-shadow: 0 0 20px #00ff8855; font-size: 32px; margin-bottom: 5px; }
.version { text-align: center; color: #00ffff; font-size: 12px; margin-bottom: 5px; }
.subtitle { text-align: center; color: #666; margin-bottom: 25px; font-size: 12px; }
.new-badge { background: linear-gradient(45deg, #ff6b6b, #ffd93d); color: #000; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: bold; margin-left: 5px; }
label { display: block; margin-top: 15px; font-weight: bold; color: #00ff88; }
textarea, input[type="text"] { width: 100%; padding: 12px; font-family: 'Courier New', monospace; font-size: 14px; border: 2px solid #00ff88; background: #0a0a1a; color: #fff; border-radius: 8px; resize: vertical; }
textarea { height: 100px; }
textarea:focus, input:focus { outline: none; border-color: #00ffff; box-shadow: 0 0 15px #00ffff44; }
.alert { padding: 15px; border-radius: 8px; margin: 15px 0; display: none; }
.alert-success { background: #0a3a0a; border: 2px solid #00ff88; color: #00ff88; }
.alert-warning { background: #3a3a0a; border: 2px solid #ffd700; color: #ffd700; }
.alert.show { display: block; }
.section { background: #111122; border: 1px solid #333; border-radius: 12px; padding: 20px; margin: 20px 0; }
.section h2 { margin: 0 0 15px 0; color: #00ffff; font-size: 16px; border-bottom: 1px solid #333; padding-bottom: 10px; }
.ic-box { background: linear-gradient(135deg, #1a2a4a 0%, #0a1a3a 100%); border: 2px solid #00ffff; border-radius: 10px; padding: 15px; margin: 15px 0; }
.ic-value { font-size: 28px; color: #00ffff; font-weight: bold; }
.ic-label { color: #888; font-size: 12px; }
.ic-interpretation { margin-top: 10px; padding: 8px; border-radius: 5px; font-size: 12px; }
.ic-interpretation.french { background: #003366; color: #66ccff; }
.ic-interpretation.english { background: #660033; color: #ff6699; }
.ic-interpretation.random { background: #333; color: #999; }
.ic-interpretation.cleartext { background: #003300; color: #00ff88; }
.keylength-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; margin-top: 10px; }
.keylength-item { background: #0a1a2a; border: 1px solid #333; border-radius: 5px; padding: 8px; text-align: center; cursor: pointer; transition: all 0.2s; }
.keylength-item:hover { border-color: #00ff88; transform: scale(1.05); }
.keylength-item.selected { border-color: #ffd700; background: #2a2a0a; }
.keylength-item.disabled { opacity: 0.3; cursor: not-allowed; pointer-events: none; }
.keylength-item .len { font-size: 18px; color: #00ffff; font-weight: bold; }
.keylength-item .pct { font-size: 10px; color: #888; }
.keylength-item .bar { height: 4px; background: #00ff88; border-radius: 2px; margin-top: 5px; }
.cipher-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin: 15px 0; }
.cipher-btn { padding: 12px 8px; font-family: 'Courier New', monospace; font-size: 11px; cursor: pointer; border: 2px solid #333; background: #111; color: #888; border-radius: 8px; transition: all 0.2s; text-align: center; position: relative; }
.cipher-btn:hover { border-color: #00ff88; color: #00ff88; }
.cipher-btn.active { border-color: #00ff88; background: #00ff8822; color: #00ff88; }
.cipher-btn .icon { font-size: 18px; display: block; margin-bottom: 5px; }
.cipher-btn .new-tag { position: absolute; top: -5px; right: -5px; background: #ff6b6b; color: #fff; font-size: 8px; padding: 2px 5px; border-radius: 8px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: 20px 0; }
button { padding: 12px 25px; font-family: 'Courier New', monospace; font-size: 14px; cursor: pointer; border: 2px solid #00ff88; background: transparent; color: #00ff88; border-radius: 25px; transition: all 0.3s; }
button:hover { background: #00ff88; color: #0a0a1a; box-shadow: 0 0 20px #00ff8855; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-mega { font-size: 20px; padding: 20px 40px; background: linear-gradient(45deg, #00ff88, #00ffff); color: #0a0a1a; border: none; font-weight: bold; animation: glow 2s infinite; }
.btn-mega:disabled { animation: none; }
@keyframes glow { 0%, 100% { box-shadow: 0 0 10px #00ff88; } 50% { box-shadow: 0 0 30px #00ff88, 0 0 50px #00ffff; } }
.result-box { background: #0a0a15; border-left: 4px solid #00ff88; padding: 15px; margin: 10px 0; border-radius: 0 8px 8px 0; cursor: pointer; transition: all 0.2s; }
.result-box:hover { background: #151525; transform: translateX(5px); }
.result-box.winner { border-left-color: #ffd700; background: linear-gradient(90deg, #1a1a00 0%, #0a0a15 100%); }
.result-box.cleartext { border-left-color: #00ff88; background: linear-gradient(90deg, #0a2a0a 0%, #0a0a15 100%); }
.result-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.result-cipher { color: #00ffff; font-weight: bold; }
.result-key { color: #ff88ff; }
.result-score { color: #888; font-size: 12px; }
.result-text { color: #aaa; font-size: 13px; word-break: break-all; }
.result-words { color: #00ff88; font-size: 11px; margin-top: 5px; }
.lang-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: bold; margin-left: 8px; }
.lang-fr { background: #0066cc; color: #fff; }
.lang-en { background: #cc3333; color: #fff; }
.progress-container { margin: 15px 0; text-align: center; display: none; }
.progress-bar { width: 100%; height: 8px; background: #222; border-radius: 4px; overflow: hidden; margin: 10px 0; }
.progress-fill { height: 100%; background: linear-gradient(90deg, #00ff88, #00ffff); border-radius: 4px; transition: width 0.3s; width: 0%; }
.progress-text { color: #00ffff; font-size: 12px; }
.manual-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 15px; }
.manual-grid label { margin: 0 0 5px 0; font-size: 12px; }
select { width: 100%; padding: 8px; font-family: 'Courier New', monospace; background: #0a0a1a; color: #fff; border: 1px solid #333; border-radius: 5px; }
#results { max-height: 500px; overflow-y: auto; }
.worker-status { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: #888; }
.worker-dot { width: 8px; height: 8px; border-radius: 50%; background: #00ff88; animation: pulse-dot 1s infinite; }
.worker-dot.working { background: #ffd700; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.stats-box { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; margin: 15px 0; }
.stat-item { background: #0a1a2a; padding: 10px; border-radius: 8px; text-align: center; }
.stat-value { font-size: 18px; color: #00ffff; font-weight: bold; }
.stat-label { font-size: 10px; color: #666; }
/* XOR Section */
.xor-section { background: linear-gradient(135deg, #1a1a3a 0%, #0a1a2a 100%); border: 2px solid #ff88ff; margin-top: 10px; }
.xor-section h2 { color: #ff88ff; }
.xor-input-row { display: flex; gap: 15px; align-items: flex-end; flex-wrap: wrap; }
.xor-input-row > div { flex: 1; min-width: 200px; }
.xor-input-row input { height: 42px; }
.xor-hint { font-size: 11px; color: #888; margin-top: 5px; }
</style>
</head>
<body>
<div class="container">
<h1>🔐 Multi-Cipher Cracker</h1>
<div class="version">v2.3 <span class="new-badge">XOR + Base64</span></div>
<p class="subtitle">
<span class="worker-status">
<span class="worker-dot" id="workerDot"></span>
<span id="workerStatus">Prêt</span>
</span>
</p>
<label for="texte">Texte chiffré :</label>
<textarea id="texte" placeholder="Collez votre texte chiffré ici..." oninput="onTextChange()"></textarea>
<div class="alert alert-success" id="alertCleartext">
✅ <b>Texte déjà lisible!</b> Score: <span id="cleartextScore">0</span>% - Pas besoin de déchiffrement.
</div>
<div class="alert alert-warning" id="alertNoKeys">
⚠️ <b>Analyse incertaine.</b> Aucune longueur de clé probable (>1%).
</div>
<div class="section">
<h2>📊 Analyse du texte</h2>
<div style="display: grid; grid-template-columns: 1fr 2fr; gap: 20px;">
<div class="ic-box">
<div class="ic-label">Indice de Coïncidence</div>
<div class="ic-value" id="icValue">-</div>
<div class="ic-interpretation" id="icInterpretation">Entrez du texte...</div>
</div>
<div>
<div style="color: #888; font-size: 12px; margin-bottom: 10px;">Longueurs de clé probables (>1%) :</div>
<div class="keylength-grid" id="keyLengthGrid">
<div class="keylength-item disabled"><div class="len">-</div><div class="pct">En attente</div></div>
</div>
</div>
</div>
<div class="stats-box" id="statsBox" style="display:none;">
<div class="stat-item"><div class="stat-value" id="statLength">0</div><div class="stat-label">Caractères</div></div>
<div class="stat-item"><div class="stat-value" id="statLetters">0</div><div class="stat-label">Lettres</div></div>
<div class="stat-item"><div class="stat-value" id="statClearScore">0%</div><div class="stat-label">Score brut</div></div>
</div>
</div>
<div class="section">
<h2>🎯 Chiffrements</h2>
<div class="cipher-grid">
<div class="cipher-btn active" data-cipher="caesar" onclick="toggleCipher(this)"><span class="icon">🔄</span>César</div>
<div class="cipher-btn active" data-cipher="vigenere" onclick="toggleCipher(this)"><span class="icon">🔑</span>Vigenère</div>
<div class="cipher-btn active" data-cipher="atbash" onclick="toggleCipher(this)"><span class="icon">🔀</span>Atbash</div>
<div class="cipher-btn active" data-cipher="affine" onclick="toggleCipher(this)"><span class="icon">✖️</span>Affine</div>
<div class="cipher-btn active" data-cipher="beaufort" onclick="toggleCipher(this)"><span class="icon">⚓</span>Beaufort</div>
<div class="cipher-btn active" data-cipher="autokey" onclick="toggleCipher(this)"><span class="icon">🔗</span>Autokey<span class="new-tag">v2</span></div>
<div class="cipher-btn active" data-cipher="playfair" onclick="toggleCipher(this)"><span class="icon">🎲</span>Playfair<span class="new-tag">v2</span></div>
<div class="cipher-btn" data-cipher="railfence" onclick="toggleCipher(this)"><span class="icon">🚃</span>Rail Fence</div>
<div class="cipher-btn" data-cipher="columnar" onclick="toggleCipher(this)"><span class="icon">📊</span>Colonnes</div>
<div class="cipher-btn" data-cipher="reverse" onclick="toggleCipher(this)"><span class="icon">↩️</span>Reverse</div>
<div class="cipher-btn active" data-cipher="cascade" onclick="toggleCipher(this)"><span class="icon">⛓️</span>CASCADE</div>
<div class="cipher-btn" data-cipher="xorbase64" onclick="toggleCipher(this)"><span class="icon">⊕</span>XOR+B64<span class="new-tag">NEW</span></div>
</div>
</div>
<!-- XOR Section -->
<div class="section xor-section" id="xorSection" style="display:none;">
<h2>⊕ Options XOR / Base64</h2>
<div class="xor-input-row">
<div>
<label style="margin-top:0;">Clé XOR (optionnel)</label>
<input type="text" id="xorKey" placeholder="Laisser vide pour attaque auto">
<div class="xor-hint">Si connue, saisir la clé pour déchiffrement direct</div>
</div>
<div>
<label style="margin-top:0;">Longueur clé (auto)</label>
<select id="xorKeyLength">
<option value="auto" selected>Auto-détection</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
</select>
<div class="xor-hint">Utilisé uniquement si clé non fournie</div>
</div>
</div>
</div>
<div class="btn-row">
<button class="btn-mega" id="crackBtn" onclick="crackAll()">🚀 CRACK!</button>
</div>
<div class="section">
<h2>⚙️ Options</h2>
<div class="manual-grid">
<div>
<label>Longueur clé (Vigenère)</label>
<select id="keyLengthSelect">
<option value="auto" selected>Auto</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
</select>
</div>
<div>
<label>Langue</label>
<select id="targetLang">
<option value="both" selected>FR + EN</option>
<option value="fr">Français</option>
<option value="en">English</option>
</select>
</div>
<div>
<label>Max résultats</label>
<select id="maxResults">
<option value="20">20</option>
<option value="40" selected>40</option>
<option value="80">80</option>
</select>
</div>
<div>
<label>Score min</label>
<select id="minScore">
<option value="30">30%</option>
<option value="40">40%</option>
<option value="50" selected>50%</option>
<option value="60">60%</option>
</select>
</div>
</div>
</div>
<div class="btn-row">
<button onclick="clearResults()">🗑️ Effacer</button>
</div>
<div class="progress-container" id="progressContainer">
<div class="progress-text" id="progressText">...</div>
<div class="progress-bar"><div class="progress-fill" id="progressFill"></div></div>
</div>
<div id="results"></div>
</div>
<script>
// ============================================================
// WORKER CODE (sera converti en Blob)
// ============================================================
const workerCode = `
const FRENCH_WORDS = new Set(['le','la','les','un','une','des','du','de','au','aux','ce','cette','ces','cet','mon','ma','mes','ton','ta','tes','son','sa','ses','notre','nos','votre','vos','leur','leurs','je','tu','il','elle','on','nous','vous','ils','elles','me','te','se','lui','eux','moi','toi','qui','que','quoi','dont','ou','a','en','dans','sur','sous','avec','sans','pour','par','chez','vers','entre','contre','devant','derriere','depuis','pendant','avant','apres','et','mais','donc','or','ni','car','si','comme','quand','lorsque','puisque','parce','ne','pas','plus','moins','tres','bien','mal','peu','beaucoup','trop','assez','aussi','toujours','jamais','souvent','parfois','encore','deja','maintenant','hier','demain','ici','oui','non','peut','etre','vraiment','comment','pourquoi','combien','suis','es','est','sommes','etes','sont','etais','etait','serai','sera','seront','ai','as','avons','avez','ont','avais','avait','aurai','aura','auront','faire','fais','fait','faisons','faites','font','fera','dire','dis','dit','dira','aller','vais','vas','va','allons','allez','vont','ira','voir','vois','voit','verra','savoir','sais','sait','savons','savent','pouvoir','peux','peut','pouvons','peuvent','vouloir','veux','veut','voulons','veulent','venir','viens','vient','venons','viennent','prendre','prends','prend','prenons','prennent','mettre','mets','met','mettons','mettent','falloir','faut','devoir','dois','doit','devons','doivent','croire','crois','croit','homme','femme','enfant','monde','temps','jour','nuit','annee','mois','semaine','heure','moment','fois','vie','mort','chose','cas','part','pays','ville','rue','maison','place','point','coup','main','tete','coeur','corps','oeil','yeux','voix','nom','mot','lettre','livre','histoire','question','reponse','raison','idee','probleme','solution','travail','argent','prix','eau','feu','terre','air','ciel','soleil','lune','mer','montagne','arbre','foret','pere','mere','fils','fille','frere','soeur','ami','amie','famille','groupe','roi','reine','prince','guerre','paix','pouvoir','force','ordre','loi','droit','secret','message','code','cle','porte','chemin','route','fin','debut','milieu','soir','matin','present','passe','bon','bonne','mauvais','grand','grande','petit','petite','beau','belle','nouveau','nouvelle','vieux','vieille','jeune','premier','derniere','seul','seule','autre','meme','tout','tous','toute','toutes','vrai','faux','possible','facile','difficile','long','court','haut','bas','blanc','noir','rouge','bleu','vert','jaune','deux','trois','quatre','cinq','six','sept','huit','neuf','dix','cent','mille']);
const ENGLISH_WORDS = new Set(['brown','dog','jump','above','lazy','dog','cat','the','a','an','this','that','these','those','my','your','his','her','its','our','their','some','any','no','every','each','all','both','few','many','much','most','other','i','you','he','she','it','we','they','him','us','them','who','what','which','on','at','to','for','of','with','by','from','up','down','into','out','over','under','about','above','below','between','through','during','before','after','and','or','but','so','yet','because','although','while','when','where','if','not','very','well','also','just','only','even','still','already','always','never','often','sometimes','really','quite','here','there','now','then','today','yes','be','am','is','are','was','were','been','being','have','has','had','having','do','does','did','doing','done','say','says','said','get','gets','got','make','makes','made','go','goes','went','gone','know','knows','knew','known','take','takes','took','taken','see','sees','saw','seen','come','comes','came','think','thinks','thought','look','looks','looked','want','wants','wanted','give','gives','gave','given','use','uses','used','find','finds','found','tell','tells','told','ask','asks','asked','work','works','worked','time','year','people','way','day','man','woman','child','world','life','hand','part','place','case','week','number','night','point','home','water','room','mother','area','money','story','fact','month','right','book','eye','job','word','business','side','kind','head','house','friend','father','power','hour','game','line','end','member','law','car','city','name','team','good','new','first','last','long','great','little','own','old','big','high','different','small','large','next','young','important','public','bad','same','able','one','two','three','four','five','six','seven','eight','nine','ten','hundred','thousand','key','code','secret','message','king','queen','war','peace','love','death','fire','light','dark','white','black','red']);
const FRENCH_FREQ = {E:14.7,A:7.6,I:7.5,S:7.9,N:7.1,R:6.6,T:7.2,O:5.4,L:5.5,U:6.3,D:3.7,C:3.3,M:3.0,P:3.0};
const ENGLISH_FREQ = {E:12.7,T:9.1,A:8.2,O:7.5,I:7.0,N:6.7,S:6.3,H:6.1,R:6.0,D:4.3,L:4.0,C:2.8,U:2.8,M:2.4};
const COPRIME = [1,3,5,7,9,11,15,17,19,21,23,25];
const MOD_INV = {1:1,3:9,5:21,7:15,9:3,11:19,15:7,17:23,19:11,21:5,23:17,25:25};
const KEYWORDS = ['TRESOR'];
// Fréquences des bytes pour texte français (espace et lettres minuscules principalement)
const FRENCH_BYTE_FREQ = {
32: 17.0, // espace
101: 14.7, // e
97: 7.6, // a
105: 7.5, // i
115: 7.9, // s
110: 7.1, // n
114: 6.6, // r
116: 7.2, // t
111: 5.4, // o
108: 5.5, // l
117: 6.3, // u
100: 3.7, // d
99: 3.3, // c
109: 3.0, // m
112: 3.0 // p
};
function caesar(t,s,d=true){const sh=d?(26-s)%26:s;return t.replace(/[a-zA-Z]/g,c=>{const b=c<='Z'?65:97;return String.fromCharCode((c.charCodeAt(0)-b+sh)%26+b);});}
function atbash(t){return t.replace(/[a-zA-Z]/g,c=>{const b=c<='Z'?65:97;return String.fromCharCode(b+25-(c.charCodeAt(0)-b));});}
function affine(t,a,b,d=true){if(d){const ai=MOD_INV[a];return t.replace(/[a-zA-Z]/g,c=>{const bs=c<='Z'?65:97;const y=c.charCodeAt(0)-bs;return String.fromCharCode(((ai*(y-b+26))%26+26)%26+bs);});}return t.replace(/[a-zA-Z]/g,c=>{const bs=c<='Z'?65:97;const x=c.charCodeAt(0)-bs;return String.fromCharCode((a*x+b)%26+bs);});}
function vigenere(t,key,d=true){let r='',ki=0;const k=key.toUpperCase();for(const c of t){if(/[a-zA-Z]/.test(c)){const b=c<='Z'?65:97;const s=k.charCodeAt(ki%k.length)-65;const v=c.charCodeAt(0)-b;const nv=d?(v-s+26)%26:(v+s)%26;r+=String.fromCharCode(nv+b);ki++;}else r+=c;}return r;}
function beaufort(t,key){let r='',ki=0;const k=key.toUpperCase();for(const c of t){if(/[a-zA-Z]/.test(c)){const b=c<='Z'?65:97;const kv=k.charCodeAt(ki%k.length)-65;const tv=c.charCodeAt(0)-b;r+=String.fromCharCode((kv-tv+26)%26+b);ki++;}else r+=c;}return r;}
function autokey(t,p){let r='',ks=p.toUpperCase(),ki=0;for(const c of t){if(/[a-zA-Z]/.test(c)){const b=c<='Z'?65:97;const s=ks.charCodeAt(ki)-65;const v=c.charCodeAt(0)-b;const d=(v-s+26)%26;const dc=String.fromCharCode(d+65);r+=b===65?dc:dc.toLowerCase();ks+=dc;ki++;}else r+=c;}return r;}
function playfair(t,key){const g=[];const seen=new Set();const ku=key.toUpperCase().replace(/J/g,'I').replace(/[^A-Z]/g,'');for(const c of ku)if(!seen.has(c)){seen.add(c);g.push(c);}for(let i=0;i<26;i++){const c=String.fromCharCode(65+i);if(c!=='J'&&!seen.has(c)){seen.add(c);g.push(c);}}const find=(ch)=>{const c=ch==='J'?'I':ch;const idx=g.indexOf(c);return{r:Math.floor(idx/5),c:idx%5};};const cl=t.toUpperCase().replace(/[^A-Z]/g,'').replace(/J/g,'I');let pr='';for(let i=0;i<cl.length;i++){pr+=cl[i];if(i+1<cl.length&&cl[i]===cl[i+1])pr+='X';}if(pr.length%2)pr+='X';let r='';for(let i=0;i<pr.length;i+=2){const p1=find(pr[i]),p2=find(pr[i+1]);let n1,n2;if(p1.r===p2.r){n1=g[p1.r*5+(p1.c+4)%5];n2=g[p2.r*5+(p2.c+4)%5];}else if(p1.c===p2.c){n1=g[((p1.r+4)%5)*5+p1.c];n2=g[((p2.r+4)%5)*5+p2.c];}else{n1=g[p1.r*5+p2.c];n2=g[p2.r*5+p1.c];}r+=n1+n2;}return r;}
function railfence(t,rails){const cl=t.replace(/[^a-zA-Z]/g,'');const n=cl.length;if(rails<2||rails>=n)return t;const rl=new Array(rails).fill(0);let rail=0,dir=1;for(let i=0;i<n;i++){rl[rail]++;rail+=dir;if(rail===0||rail===rails-1)dir=-dir;}const rt=[];let pos=0;for(let r=0;r<rails;r++){rt.push(cl.substring(pos,pos+rl[r]));pos+=rl[r];}const idx=new Array(rails).fill(0);let res='';rail=0;dir=1;for(let i=0;i<n;i++){res+=rt[rail][idx[rail]++];rail+=dir;if(rail===0||rail===rails-1)dir=-dir;}return res;}
function columnar(t,w){const cl=t.replace(/[^a-zA-Z]/g,'');const n=cl.length;const rows=Math.ceil(n/w);const fc=n%w||w;let r='';for(let ro=0;ro<rows;ro++){for(let c=0;c<w;c++){const cLen=c<fc?rows:rows-1;const off=c<fc?c*rows:fc*rows+(c-fc)*(rows-1);if(ro<cLen)r+=cl[off+ro]||'';}}return r;}
function reverse(t){return t.split('').reverse().join('');}
// ============================================================
// XOR + BASE64 FUNCTIONS
// ============================================================
function base64Decode(str) {
try {
// Standard base64 decoding
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
let result = [];
str = str.replace(/[^A-Za-z0-9+/=]/g, '');
for (let i = 0; i < str.length; i += 4) {
const a = chars.indexOf(str[i]);
const b = chars.indexOf(str[i + 1]);
const c = chars.indexOf(str[i + 2]);
const d = chars.indexOf(str[i + 3]);
result.push((a << 2) | (b >> 4));
if (str[i + 2] !== '=') result.push(((b & 15) << 4) | (c >> 2));
if (str[i + 3] !== '=') result.push(((c & 3) << 6) | d);
}
return new Uint8Array(result);
} catch (e) {
return null;
}
}
function xorDecrypt(data, key) {
const keyBytes = typeof key === 'string'
? new Uint8Array([...key].map(c => c.charCodeAt(0)))
: key;
const result = new Uint8Array(data.length);
for (let i = 0; i < data.length; i++) {
result[i] = data[i] ^ keyBytes[i % keyBytes.length];
}
return result;
}
function bytesToString(bytes) {
let result = '';
for (let i = 0; i < bytes.length; i++) {
result += String.fromCharCode(bytes[i]);
}
return result;
}
function scoreXorResult(bytes) {
// Score basé sur les caractères imprimables français
let score = 0;
let printable = 0;
let letters = 0;
let spaces = 0;
for (let i = 0; i < bytes.length; i++) {
const b = bytes[i];
// Caractères imprimables ASCII (32-126)
if (b >= 32 && b <= 126) {
printable++;
// Lettres
if ((b >= 65 && b <= 90) || (b >= 97 && b <= 122)) {
letters++;
score += 2;
}
// Espace
else if (b === 32) {
spaces++;
score += 3;
}
// Ponctuation commune
else if ([44, 46, 39, 33, 63, 58, 59].includes(b)) {
score += 1;
}
}
// Caractères accentués courants (UTF-8 étendu pour français)
else if (b >= 192 && b <= 255) {
score += 1;
}
// Caractères non imprimables = pénalité
else {
score -= 5;
}
}
const ratio = printable / bytes.length;
const letterRatio = letters / bytes.length;
const spaceRatio = spaces / bytes.length;
// Bonus pour ratios typiques de texte français
if (ratio > 0.95) score += 20;
if (letterRatio > 0.7 && letterRatio < 0.9) score += 15;
if (spaceRatio > 0.1 && spaceRatio < 0.25) score += 10;
return score;
}
function findBestKeyByte(column) {
let bestByte = 0;
let bestScore = -Infinity;
for (let k = 0; k < 256; k++) {
let score = 0;
for (let i = 0; i < column.length; i++) {
const decrypted = column[i] ^ k;
// Score basé sur fréquences françaises
if (FRENCH_BYTE_FREQ[decrypted]) {
score += FRENCH_BYTE_FREQ[decrypted];
}
// Bonus pour caractères imprimables
if (decrypted >= 32 && decrypted <= 126) {
score += 1;
}
// Pénalité pour non-imprimables
else if (decrypted < 32 || decrypted > 126) {
score -= 10;
}
}
if (score > bestScore) {
bestScore = score;
bestByte = k;
}
}
return bestByte;
}
function detectXorKeyLength(data, maxLen = 16) {
// Méthode de Hamming distance normalisée
const results = [];
for (let keyLen = 1; keyLen <= Math.min(maxLen, Math.floor(data.length / 4)); keyLen++) {
let totalDist = 0;
let pairs = 0;
// Comparer plusieurs blocs
const numBlocks = Math.min(8, Math.floor(data.length / keyLen));
for (let i = 0; i < numBlocks - 1; i++) {
for (let j = i + 1; j < numBlocks; j++) {
let dist = 0;
for (let k = 0; k < keyLen; k++) {
const b1 = data[i * keyLen + k];
const b2 = data[j * keyLen + k];
// Hamming distance
let xor = b1 ^ b2;
while (xor) {
dist += xor & 1;
xor >>= 1;
}
}
totalDist += dist;
pairs++;
}
}
const normalizedDist = pairs > 0 ? (totalDist / pairs) / keyLen : Infinity;
results.push({ len: keyLen, dist: normalizedDist });
}
results.sort((a, b) => a.dist - b.dist);
return results.slice(0, 5).map(r => r.len);
}
function crackXorWithKeyLength(data, keyLen) {
const key = new Uint8Array(keyLen);
// Diviser en colonnes
for (let i = 0; i < keyLen; i++) {
const column = [];
for (let j = i; j < data.length; j += keyLen) {
column.push(data[j]);
}
key[i] = findBestKeyByte(column);
}
return key;
}
function crackXor(text, knownKey, keyLengthHint, lang) {
const results = [];
// Décoder Base64
const data = base64Decode(text.trim());
if (!data || data.length < 4) {
return results;
}
// Si clé connue, déchiffrement direct
if (knownKey && knownKey.length > 0) {
const decrypted = xorDecrypt(data, knownKey);
const plaintext = bytesToString(decrypted);
const sc = score(plaintext, lang);
results.push({
cipher: 'XOR+Base64',
key: 'Clé: "' + knownKey + '"',
text: plaintext,
...sc
});
return results;
}
// Attaque statistique
let keyLengths;
if (keyLengthHint && keyLengthHint !== 'auto') {
keyLengths = [parseInt(keyLengthHint)];
} else {
// Auto-détection
keyLengths = detectXorKeyLength(data, 16);
}
for (const keyLen of keyLengths) {
const key = crackXorWithKeyLength(data, keyLen);
const decrypted = xorDecrypt(data, key);
const plaintext = bytesToString(decrypted);
// Vérifier si résultat est lisible
const xorScore = scoreXorResult(decrypted);
if (xorScore > 0) {
const sc = score(plaintext, lang);
// Reconstruire la clé en ASCII si possible
let keyStr = '';
let keyHex = '';
for (let i = 0; i < key.length; i++) {
if (key[i] >= 32 && key[i] <= 126) {
keyStr += String.fromCharCode(key[i]);
} else {
keyStr += '\\\\x' + key[i].toString(16).padStart(2, '0');
}
keyHex += key[i].toString(16).padStart(2, '0');
}
results.push({
cipher: 'XOR+Base64',
key: '"' + keyStr + '" (0x' + keyHex + ')',
text: plaintext,
...sc,
xorScore
});
}
}
// Trier par score
results.sort((a, b) => b.score - a.score);
return results.slice(0, 5);
}
const segCache=new Map();
function segment(t,dict){const n=t.toLowerCase().replace(/[^a-z]/g,'');if(!n.length)return{w:[],cov:0};const k=n.slice(0,30)+n.length+(dict===FRENCH_WORDS?'F':'E');if(segCache.has(k))return segCache.get(k);const len=n.length;const dp=new Array(len+1).fill(0);const par=new Array(len+1).fill(-1);for(let i=1;i<=len;i++){dp[i]=dp[i-1];par[i]=i-1;for(let l=2;l<=Math.min(i,10);l++){const w=n.substring(i-l,i);if(dict.has(w)&&dp[i-l]+l*l>dp[i]){dp[i]=dp[i-l]+l*l;par[i]=i-l;}}}const words=[];let p=len,cov=0;while(p>0){const pr=par[p];const l=p-pr;if(l>1){const w=n.substring(pr,p);if(dict.has(w)){words.unshift(w);cov+=l;}}p=pr;}const res={w:words,cov:len>0?(cov/len)*100:0};if(segCache.size>300)segCache.clear();segCache.set(k,res);return res;}
function getFreq(t){const f={};let tot=0;for(const c of t.toUpperCase())if(c>='A'&&c<='Z'){f[c]=(f[c]||0)+1;tot++;}if(!tot)return{};for(const c in f)f[c]=(f[c]/tot)*100;return f;}
function freqScore(t,tgt){const f=getFreq(t);let d=0;for(const l in tgt)d+=Math.abs((tgt[l]||0)-(f[l]||0));return Math.max(0,100-d);}
function score(t,lang='both'){const frF=freqScore(t,FRENCH_FREQ),enF=freqScore(t,ENGLISH_FREQ);let frD=0,enD=0,frW=[],enW=[];if(frF>40||lang==='fr'){const s=segment(t,FRENCH_WORDS);frD=s.cov;frW=s.w;}if(enF>40||lang==='en'){const s=segment(t,ENGLISH_WORDS);enD=s.cov;enW=s.w;}const frS=frD*0.7+frF*0.3,enS=enD*0.7+enF*0.3;if(lang==='fr')return{score:frS,lang:'fr',dict:frD,freq:frF,words:frW};if(lang==='en')return{score:enS,lang:'en',dict:enD,freq:enF,words:enW};return frS>enS?{score:frS,lang:'fr',dict:frD,freq:frF,words:frW}:{score:enS,lang:'en',dict:enD,freq:enF,words:enW};}
function* vigenereKeys(len, text) {
if (len <= 3) {
function* gen(curr) {
if (curr.length === len) { yield curr; return; }
for (let i = 0; i < 26; i++) yield* gen(curr + String.fromCharCode(65 + i));
}
yield* gen("");
return;
}
const cl = text.toUpperCase().replace(/[^A-Z]/g, '');
const cols = [];
for (let i = 0; i < len; i++) {
let c = '';
for (let j = i; j < cl.length; j += len) c += cl[j];
cols.push(c);
}
const best = cols.map(col => {
const sc = [];
for (let s = 0; s < 26; s++) {
let d = '';
for (const c of col) d += String.fromCharCode(((c.charCodeAt(0) - 65 - s + 26) % 26) + 65);
sc.push({
l: String.fromCharCode(65 + s),
s: Math.max(freqScore(d, FRENCH_FREQ), freqScore(d, ENGLISH_FREQ))
});
}
sc.sort((a, b) => b.s - a.s);
const n = len <= 4 ? 20 : (len <= 5 ? 12 : 3);
return sc.slice(0, n).map(x => x.l);
});
function* combos(arrs, pre = '') {
if (!arrs.length) { yield pre; return; }
for (const l of arrs[0]) yield* combos(arrs.slice(1), pre + l);
}
yield* combos(best);
}
self.onmessage=function(e){
const{action,text,options}=e.data;
if(action!=='crack')return;
const{ciphers,lang,maxResults,minScore,keyLengths,xorKey,xorKeyLength}=options;
let all=[];
const total=ciphers.length;
let step=0;
for(const cipher of ciphers){
step++;
self.postMessage({action:'progress',cipher,step,total});
if(cipher==='caesar'){for(let s=1;s<26;s++){const d=caesar(text,s);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'César',key:'ROT'+s,text:d,...sc});}}
else if(cipher==='atbash'){const d=atbash(text);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Atbash',key:'A↔Z',text:d,...sc});}
else if(cipher==='reverse'){const d=reverse(text);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Reverse',key:'←',text:d,...sc});}
else if(cipher==='affine'){for(const a of COPRIME)for(let b=0;b<26;b++){if(a===1&&b===0)continue;const d=affine(text,a,b);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Affine',key:'a='+a+',b='+b,text:d,...sc});}}
else if(cipher==='vigenere'){for(const len of keyLengths){let count=0;for(const key of vigenereKeys(len,text)){const d=vigenere(text,key);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Vigenère',key,text:d,...sc});count++;if(count>12000000)break;}}}
else if(cipher==='beaufort'){for(const len of keyLengths){let count=0;for(const key of vigenereKeys(len,text)){const d=beaufort(text,key);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Beaufort',key,text:d,...sc});count++;if(count>12000000)break;}}}
else if(cipher==='autokey'){for(const p of KEYWORDS.slice(0,20)){const d=autokey(text,p);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Autokey',key:p,text:d,...sc});}}
else if(cipher==='playfair'){for(const k of KEYWORDS.slice(0,20)){const d=playfair(text,k);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Playfair',key:k,text:d,...sc});}}
else if(cipher==='railfence'){for(let r=2;r<=10;r++){const d=railfence(text,r);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Rail Fence',key:r+' rails',text:d,...sc});}}
else if(cipher==='columnar'){for(let w=2;w<=10;w++){const d=columnar(text,w);const sc=score(d,lang);if(sc.score>=minScore)all.push({cipher:'Colonnes',key:'w='+w,text:d,...sc});}}
else if(cipher==='xorbase64'){
const xorResults = crackXor(text, xorKey, xorKeyLength, lang);
for (const r of xorResults) {
if (r.score >= minScore || (xorKey && xorKey.length > 0)) {
all.push(r);
}
}
}
else if(cipher==='cascade'){
const top=[...all].sort((a,b)=>b.score-a.score).slice(0,8);
for(const r of top){
const c1=atbash(r.text);const s1=score(c1,lang);if(s1.score>r.score&&s1.score>=minScore)all.push({cipher:r.cipher+' → Atbash',key:r.key+' → A↔Z',text:c1,...s1});
const c2=caesar(r.text,13,false);const s2=score(c2,lang);if(s2.score>r.score&&s2.score>=minScore)all.push({cipher:r.cipher+' → ROT13',key:r.key+' → 13',text:c2,...s2});
const c3=reverse(r.text);const s3=score(c3,lang);if(s3.score>r.score&&s3.score>=minScore)all.push({cipher:r.cipher+' → Reverse',key:r.key+' → ←',text:c3,...s3});
}}
}
all.sort((a,b)=>b.score-a.score);
const seen=new Set();
all=all.filter(r=>{const k=r.text.slice(0,80);if(seen.has(k))return false;seen.add(k);return true;});
all=all.slice(0,maxResults);
self.postMessage({action:'results',results:all});
};
`;
// ============================================================
// MAIN SCRIPT
// ============================================================
let worker = null;
let isWorking = false;
function initWorker() {
const blob = new Blob([workerCode], { type: 'application/javascript' });
worker = new Worker(URL.createObjectURL(blob));
worker.onmessage = function(e) {
const { action, results, cipher, step, total } = e.data;
if (action === 'progress') {
const pct = Math.round((step / total) * 100);
document.getElementById('progressFill').style.width = pct + '%';
document.getElementById('progressText').textContent = `${cipher} (${step}/${total})`;
} else if (action === 'results') {
setWorking(false);
displayResults(results);
}
};
}
function setWorking(w) {
isWorking = w;
document.getElementById('crackBtn').disabled = w;
document.getElementById('workerDot').classList.toggle('working', w);
document.getElementById('workerStatus').textContent = w ? 'Analyse...' : 'Prêt';
document.getElementById('progressContainer').style.display = w ? 'block' : 'none';
}
// ============================================================
// TEXT ANALYSIS
// ============================================================
function calculateIC(text) {
const clean = text.toUpperCase().replace(/[^A-Z]/g, '');
if (clean.length < 2) return 0;
const freq = {};
for (const c of clean) freq[c] = (freq[c] || 0) + 1;
let sum = 0;
for (const c in freq) sum += freq[c] * (freq[c] - 1);
return sum / (clean.length * (clean.length - 1));
}
function analyzeKeyLength(text, maxLen = 20) {
const clean = text.toUpperCase().replace(/[^A-Z]/g, '');
if (clean.length < 20) return [];
const results = [];
for (let len = 2; len <= Math.min(maxLen, clean.length / 3); len++) {
let icSum = 0;
for (let i = 0; i < len; i++) {
let substr = '';
for (let j = i; j < clean.length; j += len) substr += clean[j];
icSum += calculateIC(substr);
}
results.push({ length: len, ic: icSum / len });
}
const target = 0.074;
results.forEach(r => r.diff = Math.abs(r.ic - target));
results.sort((a, b) => a.diff - b.diff);
const minDiff = results[0]?.diff || 1;
results.forEach(r => r.percentage = minDiff > 0 ? Math.max(0, 100 * (1 - (r.diff - minDiff) / 0.02)) : 100);
return results.sort((a, b) => b.percentage - a.percentage).slice(0, 10);
}
function quickScore(text) {
const clean = text.toLowerCase().replace(/[^a-z]/g, '');
if (clean.length < 10) return 0;
const common = ['le','la','les','de','du','des','un','une','et','en','que','qui','dans','pour','sur','avec','est','sont','il','elle','nous','vous','ils','ce','cette','the','and','is','to','of','in','it','you','that','was','for','on','are','with','as','be','at','have','this'];
let hits = 0;
for (const w of common) {
const regex = new RegExp('\\b' + w + '\\b', 'gi');
hits += (text.match(regex) || []).length;
}
return Math.min(100, hits * 5);
}
function onTextChange() {
const text = document.getElementById('texte').value;
document.getElementById('alertCleartext').classList.remove('show');
document.getElementById('alertNoKeys').classList.remove('show');
if (text.length < 10) {
document.getElementById('icValue').textContent = '-';
document.getElementById('icInterpretation').textContent = 'Entrez du texte...';
document.getElementById('icInterpretation').className = 'ic-interpretation';
document.getElementById('keyLengthGrid').innerHTML = '<div class="keylength-item disabled"><div class="len">-</div><div class="pct">En attente</div></div>';
document.getElementById('statsBox').style.display = 'none';
return;
}
document.getElementById('statsBox').style.display = 'grid';
document.getElementById('statLength').textContent = text.length;
document.getElementById('statLetters').textContent = text.replace(/[^a-zA-Z]/g, '').length;
const rawScore = quickScore(text);
document.getElementById('statClearScore').textContent = rawScore.toFixed(0) + '%';
if (rawScore > 60) {
document.getElementById('alertCleartext').classList.add('show');
document.getElementById('cleartextScore').textContent = rawScore.toFixed(0);
}
// IC
const ic = calculateIC(text);
document.getElementById('icValue').textContent = ic.toFixed(4);
const icInterp = document.getElementById('icInterpretation');
if (rawScore > 60) {
icInterp.className = 'ic-interpretation cleartext';
icInterp.innerHTML = '✅ Texte probablement lisible';
} else if (ic > 0.068) {
icInterp.className = 'ic-interpretation french';
icInterp.innerHTML = '🔤 IC élevé → Monoalphabétique';
} else if (ic > 0.050) {
icInterp.className = 'ic-interpretation english';
icInterp.innerHTML = '🔑 IC moyen → Polyalphabétique clé courte';
} else {
icInterp.className = 'ic-interpretation random';
icInterp.innerHTML = '🎲 IC bas → Polyalphabétique ou autre';
}
// Key lengths (>1%)
const analysis = analyzeKeyLength(text);
const valid = analysis.filter(a => a.percentage >= 1);
if (valid.length === 0 && rawScore < 60) {
document.getElementById('alertNoKeys').classList.add('show');
}
const grid = document.getElementById('keyLengthGrid');
if (valid.length === 0) {
grid.innerHTML = '<div class="keylength-item disabled"><div class="len">-</div><div class="pct">Aucune</div></div>';
} else {
const maxPct = Math.max(...valid.map(a => a.percentage));
grid.innerHTML = valid.map((a, i) => `
<div class="keylength-item ${i === 0 ? 'selected' : ''}" onclick="selectKeyLength(${a.length})">
<div class="len">${a.length}</div>
<div class="pct">${a.percentage.toFixed(1)}%</div>
<div class="bar" style="width: ${(a.percentage / maxPct) * 100}%"></div>
</div>
`).join('');
}
}
function selectKeyLength(len) {
document.getElementById('keyLengthSelect').value = len;
document.querySelectorAll('.keylength-item').forEach(el => {
el.classList.toggle('selected', el.querySelector('.len').textContent == len);
});
}
// ============================================================
// XOR UI Toggle
// ============================================================
function updateXorSection() {
const xorActive = document.querySelector('[data-cipher="xorbase64"]').classList.contains('active');
document.getElementById('xorSection').style.display = xorActive ? 'block' : 'none';
}
// ============================================================
// CRACKING
// ============================================================
function getActiveCiphers() {
return Array.from(document.querySelectorAll('.cipher-btn.active')).map(b => b.dataset.cipher);
}
function toggleCipher(el) {
el.classList.toggle('active');
updateXorSection();
}
function crackAll() {
const text = document.getElementById('texte').value;
if (!text.trim()) return alert('Entrez un texte');
if (isWorking) return;
const ciphers = getActiveCiphers();
if (ciphers.length === 0) return alert('Sélectionnez au moins un chiffrement');
const lang = document.getElementById('targetLang').value;
const maxResults = parseInt(document.getElementById('maxResults').value);
const minScore = parseInt(document.getElementById('minScore').value);
const keyLengthVal = document.getElementById('keyLengthSelect').value;
// XOR options
const xorKey = document.getElementById('xorKey').value.trim();
const xorKeyLength = document.getElementById('xorKeyLength').value;
let keyLengths;
if (keyLengthVal === 'auto') {
const analysis = analyzeKeyLength(text);
keyLengths = analysis.filter(a => a.percentage >= 1).map(a => a.length);
if (keyLengths.length === 0) keyLengths = [3, 4, 5];
} else {
keyLengths = [parseInt(keyLengthVal)];
}
setWorking(true);
document.getElementById('results').innerHTML = '';
worker.postMessage({
action: 'crack',
text,
options: { ciphers, lang, maxResults, minScore, keyLengths, xorKey, xorKeyLength }
});
}
function displayResults(results) {
if (results.length === 0) {
document.getElementById('results').innerHTML = '<div class="result-box">Aucun résultat ≥ ' + document.getElementById('minScore').value + '%</div>';
return;
}
let html = '';
for (let i = 0; i < results.length; i++) {
const r = results[i];
const isWinner = i === 0;
const langBadge = `<span class="lang-badge lang-${r.lang}">${r.lang.toUpperCase()}</span>`;
const preview = r.text.substring(0, 100) + (r.text.length > 100 ? '...' : '');
const wordsHtml = r.words && r.words.length > 0
? `<div class="result-words">📖 ${r.words.slice(0, 8).join(' · ')}</div>`
: '';
html += `
<div class="result-box ${isWinner ? 'winner' : ''}" onclick="copyText(this)" data-text="${escapeAttr(r.text)}">
<div class="result-header">
<span>
${isWinner ? '🏆 ' : '#' + (i+1) + ' '}
<span class="result-cipher">${r.cipher}</span>
${langBadge}
<span class="result-key">${r.key}</span>
</span>
<span class="result-score">${r.score.toFixed(1)}%</span>
</div>
<div class="result-text">${escapeHtml(preview)}</div>
${wordsHtml}
</div>
`;
}
document.getElementById('results').innerHTML = html;
}
function copyText(el) {
const text = el.dataset.text;
navigator.clipboard.writeText(text);
document.getElementById('workerStatus').textContent = '📋 Copié!';
setTimeout(() => { if (!isWorking) document.getElementById('workerStatus').textContent = 'Prêt'; }, 1500);
}
function escapeHtml(t) { const d = document.createElement('div'); d.textContent = t; return d.innerHTML; }
function escapeAttr(t) { return t.replace(/"/g, '"').replace(/</g, '<').replace(/>/g, '>'); }
function clearResults() { document.getElementById('results').innerHTML = ''; }
// Init
initWorker();
</script>
</body>
</html>