eb16eb1db2
Encode/Decode UI: - New accordion layout with 3 steps (encode) / 2 steps (decode) - Gold step numbers with checkmarks on completion - Dynamic right-aligned summaries as fields are filled - Subtle gradient highlight on active accordion step Webcam QR Scanning: - Camera button for RSA key QR codes on encode/decode pages - Camera button for channel key scanning - 3-2-1 countdown capture for dense QR codes - Proper scanner stop/restart on retry - Backend decompression for STEGASOO-Z: compressed keys RSA Key Print: - Removed identifying text from QR print output - Now prints plain QR code for discretion Pi Image Script: - Fixed 16GB resize to detect expand vs shrink - Fresh images now properly EXPAND to 16GB - Already-expanded images properly SHRINK to 16GB UI Polish: - Removed PIN helper text for compactness - Fixed QR drop zone centering - Fixed decode page element IDs for JS 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
553 lines
30 KiB
HTML
553 lines
30 KiB
HTML
{% extends "base.html" %}
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{% block title %}Decode Message - Stegasoo{% endblock %}
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{% block content %}
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<style>
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/* Accordion styling */
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.step-accordion .accordion-button {
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background: rgba(30, 40, 50, 0.6);
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color: #fff;
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padding: 0.75rem 1rem;
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border-left: 3px solid transparent;
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transition: all 0.3s ease;
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}
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.step-accordion .accordion-button:not(.collapsed) {
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background: linear-gradient(90deg, rgba(99, 179, 237, 0.15) 0%, rgba(40, 50, 60, 0.8) 40%, rgba(40, 50, 60, 0.8) 100%);
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color: #fff;
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box-shadow: inset 0 1px 0 rgba(99, 179, 237, 0.1);
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border-left: 3px solid rgba(99, 179, 237, 0.6);
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}
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.step-accordion .accordion-button::after {
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filter: invert(1);
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}
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.step-accordion .accordion-body {
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background: rgba(30, 40, 50, 0.4);
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padding: 1rem;
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}
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.step-accordion .accordion-item {
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border-color: rgba(255,255,255,0.1);
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background: transparent;
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}
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.step-accordion .accordion-item:first-child .accordion-button {
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border-radius: 0;
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}
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.step-accordion .accordion-item:last-child .accordion-button.collapsed {
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border-radius: 0;
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}
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.step-summary {
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font-size: 0.8rem;
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color: rgba(255,255,255,0.5);
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margin-left: auto;
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padding-right: 1rem;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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max-width: 50%;
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}
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.step-summary.has-content {
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color: rgba(99, 179, 237, 0.8);
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}
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.step-title {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.step-number {
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background: rgba(246, 173, 85, 0.2);
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color: #f6ad55;
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width: 1.5rem;
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height: 1.5rem;
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 0.75rem;
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font-weight: bold;
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border: 1px solid rgba(246, 173, 85, 0.3);
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}
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.step-number.complete {
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background: rgba(72, 187, 120, 0.2);
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color: #48bb78;
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border-color: rgba(72, 187, 120, 0.3);
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}
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/* Glowing passphrase input */
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.passphrase-input {
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background: rgba(30, 40, 50, 0.8) !important;
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border: 2px solid rgba(99, 179, 237, 0.3) !important;
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color: #63b3ed !important;
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font-family: 'Courier New', monospace;
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font-size: 1.1rem;
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letter-spacing: 0.5px;
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padding: 12px 16px;
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transition: border-color 0.3s ease, box-shadow 0.3s ease;
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}
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.passphrase-input:focus {
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border-color: rgba(99, 179, 237, 0.8) !important;
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box-shadow: 0 0 20px rgba(99, 179, 237, 0.4) !important;
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}
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.passphrase-input::placeholder {
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color: rgba(99, 179, 237, 0.4);
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}
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/* PIN input */
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.pin-input-container .form-control {
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background: rgba(30, 40, 50, 0.8) !important;
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border: 2px solid rgba(246, 173, 85, 0.3) !important;
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color: #f6ad55 !important;
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font-family: 'Courier New', monospace;
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font-size: 1.2rem;
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letter-spacing: 3px;
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text-align: center;
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}
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.pin-input-container .form-control:focus {
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border-color: rgba(246, 173, 85, 0.8) !important;
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box-shadow: 0 0 20px rgba(246, 173, 85, 0.4) !important;
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}
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/* QR Crop Animation */
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.qr-crop-container {
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position: relative;
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overflow: hidden;
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border-radius: 8px;
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background: rgba(0, 0, 0, 0.3);
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width: 100%;
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display: flex;
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justify-content: center;
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align-items: center;
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min-height: 120px;
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}
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.qr-crop-container img {
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display: block;
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max-height: 180px;
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max-width: 180px;
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width: auto;
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margin: 0 auto;
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transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.qr-crop-container .qr-original { opacity: 1; }
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.qr-crop-container .qr-cropped {
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position: absolute;
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top: 50%; left: 50%;
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transform: translate(-50%, -50%) scale(0.3);
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opacity: 0;
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max-height: 160px;
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min-width: 140px;
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min-height: 140px;
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object-fit: contain;
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}
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.qr-crop-container.scan-complete .qr-original {
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opacity: 0;
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transform: scale(1.1);
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filter: blur(4px);
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}
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.qr-crop-container.scan-complete .qr-cropped {
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opacity: 1;
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transform: translate(-50%, -50%) scale(1);
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}
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</style>
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<div class="row justify-content-center">
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<div class="col-lg-8">
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<div class="card">
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<div class="card-header">
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<h5 class="mb-0"><i class="bi bi-unlock-fill me-2"></i>Decode Secret Message or File</h5>
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</div>
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<div class="card-body {% if not decoded_message and not decoded_file %}p-0{% endif %}">
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{% if decoded_message %}
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<!-- Text Message Result -->
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<div class="alert alert-success">
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<h6><i class="bi bi-check-circle me-2"></i>Message Decrypted Successfully!</h6>
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</div>
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<label class="form-label text-muted">Decoded Message: <small class="text-secondary">(click to copy)</small></label>
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<div class="alert-message p-3 rounded bg-dark border border-secondary mb-3" id="decodedContent" style="white-space: pre-wrap; cursor: pointer; transition: border-color 0.2s;"
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onclick="navigator.clipboard.writeText(this.innerText).then(() => { this.style.borderColor = '#198754'; this.dataset.origText = this.innerHTML; this.innerHTML = '<i class=\'bi bi-check-circle text-success\'></i> Copied to clipboard!'; setTimeout(() => { this.innerHTML = this.dataset.origText; this.style.borderColor = ''; }, 1500); }).catch(() => alert('Failed to copy'))"
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onmouseover="this.style.borderColor = '#6c757d'"
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onmouseout="this.style.borderColor = ''">{{ decoded_message }}</div>
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<a href="/decode" class="btn btn-outline-light w-100">
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<i class="bi bi-arrow-repeat me-2"></i>Decode Another
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</a>
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{% elif decoded_file %}
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<!-- File Result -->
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<div class="alert alert-success">
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<h6><i class="bi bi-check-circle me-2"></i>File Decrypted Successfully!</h6>
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</div>
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<div class="text-center mb-4">
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<i class="bi bi-file-earmark-check text-success" style="font-size: 4rem;"></i>
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<h5 class="mt-3">{{ filename }}</h5>
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<p class="text-muted mb-1">{{ file_size }}</p>
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{% if mime_type %}
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<small class="text-muted">Type: {{ mime_type }}</small>
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{% endif %}
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</div>
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<a href="{{ url_for('decode_download', file_id=file_id) }}" class="btn btn-primary btn-lg w-100 mb-3">
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<i class="bi bi-download me-2"></i>Download File
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</a>
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<div class="alert alert-warning small">
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<i class="bi bi-clock me-1"></i>
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<strong>File expires in 5 minutes.</strong> Download now.
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</div>
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<a href="/decode" class="btn btn-outline-light w-100">
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<i class="bi bi-arrow-repeat me-2"></i>Decode Another
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</a>
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{% else %}
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<!-- Decode Form -->
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<form method="POST" enctype="multipart/form-data" id="decodeForm">
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<div class="accordion step-accordion" id="decodeAccordion">
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<!-- ================================================================
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STEP 1: IMAGES & MODE
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================================================================ -->
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<div class="accordion-item">
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<h2 class="accordion-header">
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<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#stepImages">
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<span class="step-title">
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<span class="step-number" id="stepImagesNumber">1</span>
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<i class="bi bi-images me-1"></i> Images & Mode
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</span>
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<span class="step-summary" id="stepImagesSummary">Select reference & stego</span>
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</button>
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</h2>
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<div id="stepImages" class="accordion-collapse collapse show" data-bs-parent="#decodeAccordion">
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<div class="accordion-body">
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<div class="row">
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<div class="col-md-6 mb-3">
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<label class="form-label">
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<i class="bi bi-image me-1"></i> Reference Photo
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</label>
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<div class="drop-zone scan-container" id="refDropZone">
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<input type="file" name="reference_photo" accept="image/*" required id="refPhotoInput">
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<div class="drop-zone-label">
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<i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
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<span class="text-muted">Drop image or click</span>
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</div>
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<img class="drop-zone-preview d-none" id="refPreview">
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<div class="scan-overlay"><div class="scan-grid"></div><div class="scan-line"></div></div>
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<div class="scan-corners">
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<div class="scan-corner tl"></div><div class="scan-corner tr"></div>
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<div class="scan-corner bl"></div><div class="scan-corner br"></div>
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</div>
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<div class="scan-data-panel">
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<div class="scan-data-filename"><i class="bi bi-check-circle-fill"></i><span id="refFileName">image.jpg</span></div>
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<div class="scan-data-row"><span class="scan-status-badge">Hash Acquired</span><span class="scan-data-value" id="refFileSize">--</span></div>
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</div>
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</div>
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<div class="form-text">Same reference photo used for encoding</div>
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</div>
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<div class="col-md-6 mb-3">
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<label class="form-label">
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<i class="bi bi-file-earmark-image me-1"></i> Stego Image
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</label>
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<div class="drop-zone pixel-container" id="stegoDropZone">
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<input type="file" name="stego_image" accept="image/*" required id="stegoInput">
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<div class="drop-zone-label">
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<i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
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<span class="text-muted">Drop image or click</span>
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</div>
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<img class="drop-zone-preview d-none" id="stegoPreview">
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<div class="pixel-blocks"></div>
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<div class="pixel-scan-line"></div>
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<div class="pixel-corners">
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<div class="pixel-corner tl"></div><div class="pixel-corner tr"></div>
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<div class="pixel-corner bl"></div><div class="pixel-corner br"></div>
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</div>
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<div class="pixel-data-panel">
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<div class="pixel-data-filename"><i class="bi bi-check-circle-fill"></i><span id="stegoFileName">image.png</span></div>
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<div class="pixel-data-row"><span class="pixel-status-badge">Stego Loaded</span><span class="pixel-data-value" id="stegoFileSize">--</span></div>
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<div class="pixel-dimensions" id="stegoDims">-- x -- px</div>
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</div>
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</div>
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<div class="form-text">Image containing the hidden message</div>
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</div>
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</div>
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<!-- Extraction Mode -->
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<label class="form-label"><i class="bi bi-cpu me-1"></i> Extraction Mode</label>
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<div class="d-flex gap-2 mb-2">
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<label class="mode-btn flex-fill active" id="autoModeCard" for="modeAuto">
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<input class="form-check-input" type="radio" name="embed_mode" id="modeAuto" value="auto" checked>
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<i class="bi bi-magic text-success ms-2"></i>
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<span class="ms-2"><strong>Auto</strong> <span class="text-muted d-none d-sm-inline">· Try both</span></span>
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</label>
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<label class="mode-btn flex-fill" id="lsbModeCard" for="modeLsb">
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<input class="form-check-input" type="radio" name="embed_mode" id="modeLsb" value="lsb">
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<i class="bi bi-grid-3x3-gap text-primary ms-2"></i>
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<span class="ms-2"><strong>LSB</strong> <span class="text-muted d-none d-sm-inline">· Email</span></span>
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</label>
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<label class="mode-btn flex-fill {% if not has_dct %}opacity-50{% endif %}" id="dctModeCard" for="modeDct">
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<input class="form-check-input" type="radio" name="embed_mode" id="modeDct" value="dct" {% if not has_dct %}disabled{% endif %}>
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<i class="bi bi-soundwave text-warning ms-2"></i>
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<span class="ms-2"><strong>DCT</strong> <span class="text-muted d-none d-sm-inline">· Social</span></span>
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</label>
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</div>
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<div class="form-text">
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<i class="bi bi-lightbulb me-1"></i><strong>Auto</strong> tries LSB first, then DCT.
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</div>
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</div>
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</div>
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</div>
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<!-- ================================================================
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STEP 2: SECURITY
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================================================================ -->
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<div class="accordion-item">
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<h2 class="accordion-header">
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<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#stepSecurity">
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<span class="step-title">
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<span class="step-number" id="stepSecurityNumber">2</span>
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<i class="bi bi-shield-lock me-1"></i> Security
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</span>
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<span class="step-summary" id="stepSecuritySummary">Passphrase & keys</span>
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</button>
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</h2>
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<div id="stepSecurity" class="accordion-collapse collapse" data-bs-parent="#decodeAccordion">
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<div class="accordion-body">
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<!-- Passphrase -->
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<div class="mb-3">
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<label class="form-label"><i class="bi bi-chat-quote me-1"></i> Passphrase</label>
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<input type="text" name="passphrase" class="form-control passphrase-input"
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placeholder="e.g., apple forest thunder mountain" required id="passphraseInput">
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<div class="form-text">The passphrase used during encoding</div>
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</div>
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<hr class="my-3 opacity-25">
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<div class="small text-muted mb-2">Provide same factors used during encoding</div>
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<div class="row">
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<!-- PIN -->
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<div class="col-md-6 mb-2">
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<div class="security-box h-100">
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<label class="form-label"><i class="bi bi-123 me-1"></i> PIN</label>
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<div class="input-group pin-input-container">
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<input type="password" name="pin" class="form-control" id="pinInput" placeholder="••••••" maxlength="9">
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<button class="btn btn-outline-secondary" type="button" data-toggle-password="pinInput">
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<i class="bi bi-eye"></i>
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</button>
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</div>
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</div>
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</div>
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<!-- Channel -->
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<div class="col-md-6 mb-2">
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<div class="security-box h-100">
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<label class="form-label"><i class="bi bi-broadcast me-1"></i> Channel</label>
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<select class="form-select form-select-sm" name="channel_key" id="channelSelectDec">
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<option value="auto" selected>Auto{% if channel_configured %} (Server){% endif %}</option>
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<option value="none">Public</option>
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{% if saved_channel_keys %}
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<optgroup label="Saved Keys">
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{% for key in saved_channel_keys %}
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<option value="{{ key.channel_key }}">{{ key.name }}</option>
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{% endfor %}
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</optgroup>
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{% endif %}
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<option value="custom">Custom...</option>
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</select>
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</div>
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</div>
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</div>
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<!-- Custom Channel Key -->
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<div class="mb-3 d-none" id="channelCustomInputDec">
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<div class="security-box">
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<label class="form-label"><i class="bi bi-key me-1"></i> Custom Channel Key</label>
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<div class="input-group">
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<input type="text" name="channel_key_custom" class="form-control form-control-sm font-monospace"
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placeholder="XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX" id="channelKeyInputDec">
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<button class="btn btn-outline-secondary btn-sm" type="button" id="channelKeyScanDec" title="Scan QR"><i class="bi bi-camera"></i></button>
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</div>
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</div>
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</div>
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<!-- RSA Key -->
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<div class="mb-3">
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<div class="security-box">
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<label class="form-label"><i class="bi bi-file-earmark-lock me-1"></i> RSA Key <span class="text-muted">(if used)</span></label>
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<div class="btn-group w-100 mb-2" role="group">
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<input type="radio" class="btn-check" name="rsa_input_method" id="rsaMethodFile" value="file" checked>
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<label class="btn btn-outline-secondary btn-sm" for="rsaMethodFile"><i class="bi bi-file-earmark me-1"></i>.pem</label>
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<input type="radio" class="btn-check" name="rsa_input_method" id="rsaMethodQr" value="qr">
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<label class="btn btn-outline-secondary btn-sm" for="rsaMethodQr"><i class="bi bi-qr-code me-1"></i>QR</label>
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</div>
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<div id="rsaFileSection">
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<input type="file" name="rsa_key" class="form-control form-control-sm" accept=".pem">
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</div>
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<div id="rsaQrSection" class="d-none d-flex flex-column">
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<input type="hidden" name="rsa_key_pem" id="rsaKeyPem">
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<div class="drop-zone p-2 w-100" id="qrDropZone">
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<input type="file" name="rsa_key_qr" accept="image/*" id="rsaQrInput">
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<div class="drop-zone-label text-center">
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<i class="bi bi-qr-code-scan fs-5 d-block text-muted mb-1"></i>
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<span class="text-muted small">Drop QR image</span>
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</div>
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<div class="qr-scan-container qr-crop-container d-none" id="qrCropContainer">
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<img class="qr-original" id="qrOriginal" alt="Original">
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<img class="qr-cropped" id="qrCropped" alt="Cropped">
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</div>
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</div>
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<button type="button" class="btn btn-outline-secondary btn-sm w-100 mt-2" id="rsaQrWebcam">
|
|
<i class="bi bi-camera me-1"></i>Scan with Camera
|
|
</button>
|
|
</div>
|
|
<div class="input-group input-group-sm mt-2">
|
|
<input type="password" name="rsa_password" class="form-control" id="rsaPasswordInput" placeholder="Key password (if encrypted)">
|
|
<button class="btn btn-outline-secondary" type="button" data-toggle-password="rsaPasswordInput"><i class="bi bi-eye"></i></button>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
|
|
<!-- Submit Button -->
|
|
<div class="p-3">
|
|
<button type="submit" class="btn btn-primary btn-lg w-100" id="decodeBtn">
|
|
<i class="bi bi-unlock me-2"></i>Decode
|
|
</button>
|
|
</div>
|
|
|
|
</form>
|
|
{% endif %}
|
|
</div>
|
|
</div>
|
|
|
|
{% if not decoded_message and not decoded_file %}
|
|
<!-- Troubleshooting Card -->
|
|
<div class="card mt-4">
|
|
<div class="card-body">
|
|
<h6 class="text-muted mb-3"><i class="bi bi-question-circle me-2"></i>Troubleshooting</h6>
|
|
<ul class="list-unstyled text-muted small mb-0">
|
|
<li class="mb-2">
|
|
<i class="bi bi-check-circle-fill text-success me-1"></i>
|
|
Use the <strong>exact same reference photo</strong> (byte-for-byte identical)
|
|
</li>
|
|
<li class="mb-2">
|
|
<i class="bi bi-check-circle-fill text-success me-1"></i>
|
|
Enter the <strong>exact passphrase</strong> used during encoding
|
|
</li>
|
|
<li class="mb-2">
|
|
<i class="bi bi-exclamation-triangle-fill text-warning me-1"></i>
|
|
Ensure the stego image hasn't been <strong>resized or recompressed</strong>
|
|
</li>
|
|
<li class="mb-0">
|
|
<i class="bi bi-info-circle-fill text-info me-1"></i>
|
|
If auto-detection fails, try specifying <strong>LSB or DCT mode</strong>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
{% endif %}
|
|
</div>
|
|
</div>
|
|
{% endblock %}
|
|
|
|
{% block scripts %}
|
|
<script src="{{ url_for('static', filename='js/stegasoo.js') }}"></script>
|
|
<script>
|
|
// ============================================================================
|
|
// ACCORDION SUMMARY UPDATES
|
|
// ============================================================================
|
|
|
|
function updateImagesSummary() {
|
|
const ref = document.getElementById('refPhotoInput')?.files[0];
|
|
const stego = document.getElementById('stegoInput')?.files[0];
|
|
const mode = document.querySelector('input[name="embed_mode"]:checked')?.value?.toUpperCase() || 'AUTO';
|
|
const summary = document.getElementById('stepImagesSummary');
|
|
const stepNum = document.getElementById('stepImagesNumber');
|
|
|
|
if (ref && stego) {
|
|
const refName = ref.name.length > 12 ? ref.name.slice(0, 10) + '..' : ref.name;
|
|
const stegoName = stego.name.length > 12 ? stego.name.slice(0, 10) + '..' : stego.name;
|
|
summary.textContent = `${refName} + ${stegoName}, ${mode}`;
|
|
summary.classList.add('has-content');
|
|
stepNum.classList.add('complete');
|
|
stepNum.innerHTML = '<i class="bi bi-check"></i>';
|
|
} else if (ref || stego) {
|
|
summary.textContent = ref ? ref.name.slice(0, 15) : stego.name.slice(0, 15);
|
|
summary.classList.remove('has-content');
|
|
stepNum.classList.remove('complete');
|
|
stepNum.textContent = '1';
|
|
} else {
|
|
summary.textContent = 'Select reference & stego';
|
|
summary.classList.remove('has-content');
|
|
stepNum.classList.remove('complete');
|
|
stepNum.textContent = '1';
|
|
}
|
|
}
|
|
|
|
function updateSecuritySummary() {
|
|
const passphrase = document.getElementById('passphraseInput')?.value || '';
|
|
const pin = document.getElementById('pinInput')?.value || '';
|
|
const rsaFile = document.querySelector('input[name="rsa_key"]')?.files[0];
|
|
const rsaPem = document.getElementById('rsaKeyPem')?.value || '';
|
|
const summary = document.getElementById('stepSecuritySummary');
|
|
const stepNum = document.getElementById('stepSecurityNumber');
|
|
|
|
const parts = [];
|
|
if (passphrase.trim()) parts.push('passphrase');
|
|
if (pin) parts.push('PIN');
|
|
if (rsaFile || rsaPem) parts.push('RSA');
|
|
|
|
if (parts.length > 0) {
|
|
summary.textContent = parts.join(' + ');
|
|
summary.classList.add('has-content');
|
|
if (passphrase.trim()) {
|
|
stepNum.classList.add('complete');
|
|
stepNum.innerHTML = '<i class="bi bi-check"></i>';
|
|
}
|
|
} else {
|
|
summary.textContent = 'Passphrase & keys';
|
|
summary.classList.remove('has-content');
|
|
stepNum.classList.remove('complete');
|
|
stepNum.textContent = '2';
|
|
}
|
|
}
|
|
|
|
// Attach listeners
|
|
document.getElementById('refPhotoInput')?.addEventListener('change', updateImagesSummary);
|
|
document.getElementById('stegoInput')?.addEventListener('change', updateImagesSummary);
|
|
document.querySelectorAll('input[name="embed_mode"]').forEach(r => r.addEventListener('change', updateImagesSummary));
|
|
|
|
document.getElementById('passphraseInput')?.addEventListener('input', updateSecuritySummary);
|
|
document.getElementById('pinInput')?.addEventListener('input', updateSecuritySummary);
|
|
document.querySelector('input[name="rsa_key"]')?.addEventListener('change', updateSecuritySummary);
|
|
|
|
// ============================================================================
|
|
// MODE SWITCHING
|
|
// ============================================================================
|
|
|
|
const modeRadios = document.querySelectorAll('input[name="embed_mode"]');
|
|
const modeBtns = { 'auto': document.getElementById('autoModeCard'), 'lsb': document.getElementById('lsbModeCard'), 'dct': document.getElementById('dctModeCard') };
|
|
|
|
modeRadios.forEach(radio => {
|
|
radio.addEventListener('change', () => {
|
|
Object.values(modeBtns).forEach(btn => btn?.classList.remove('active'));
|
|
modeBtns[radio.value]?.classList.add('active');
|
|
});
|
|
});
|
|
|
|
// ============================================================================
|
|
// LOADING STATE
|
|
// ============================================================================
|
|
|
|
Stegasoo.initFormLoading('decodeForm', 'decodeBtn', 'Decoding...');
|
|
</script>
|
|
{% endblock %}
|