# 1. Hide a file inside an image (AES-256-GCM encrypted, auto-method)
stegoforge encode -c photo.png -p secret.pdf -k "my-pass"

# 2. Retrieve the hidden file
stegoforge decode -f photo_stego.png -k "my-pass"

# 3. CTF one-click forensic dump on any suspicious file
stegoforge ctf -f suspicious.mp3

# 4. Compare original vs stego — pixel heatmap
stegoforge diff -c photo.png -s photo_stego.png

# 5. Batch embed a secret into every carrier in a folder
stegoforge batch -d ./carriers/ -p secret.txt -k "my-pass"

# 6. Check capacity and stealth score of a carrier
stegoforge capacity -c photo.png --depth 2

# 7. Simulate Twitter recompression and test payload survives
stegoforge encode -c photo.png -p secret.txt -k "my-pass" --target twitter --test-survival

# 8. Launch the local web UI (no data ever leaves your machine)
stegoforge web

# Install tab-completion (bash)
eval "$(stegoforge completion bash)"

# Use env var to avoid key in shell history
export STEGOFORGE_KEY="my-pass"
stegoforge decode -f stego.png   # key read from env

$ stegoforge encode --carrier cover.png --payload secret.txt --key "mypassword" --method lsb
[+] Payload encrypted with AES-256-GCM
[+] Embedded 2048 bits across RGB channels (1-bit depth)
[+] Output: cover_stego.png
[+] Statistical profile: indistinguishable from baseline (chi² = 0.021)

$ stegoforge ctf --file suspicious.mp3
[*] Running all detectors on suspicious.mp3 ...
[⏭] Chi-square LSB anomaly      SKIPPED
[⏭] RS analysis                 SKIPPED 
[!] Blind extractor found payload at: audio-lsb, depth=1, AES encrypted blob
[+] Extracted 412 bytes → saved to extracted_payload.bin

stegoforge/
├── Image Carriers          PNG · JPEG · BMP · GIF · WebP
│   ├── LSB / Adaptive LSB  1–4 bit depth + WOW-style content-aware cost ordering
│   ├── DCT + JND-safe cap  JPEG frequency-domain embedding + Watson-style perceptual budget
│   ├── Fingerprint LSB     PRNU-aware embedding mode
│   └── Alpha / Palette     Transparency and indexed-color channels
│
├── Video Carriers          MP4 · WebM
│   ├── Video DCT           Keyframe embedding with block-cost ranking
│   └── Video Motion        Temporal+texture masked block embedding (MP4)
│
├── Audio Carriers          WAV · FLAC · MP3 · OGG
│   ├── Sample LSB          Psychoacoustic-style cost-ordered PCM LSB
│   ├── Phase coding        Segment-phase encoding
│   └── Spectrogram art     Visual payloads in spectrum domain
│
├── Document Carriers       TXT · PDF · DOCX · XLSX
│   ├── Unicode whitespace  Adaptive insertion-point ranking (ZWSP/ZWNJ/ZWJ)
│   ├── Linguistic mode     Key-aware synonym-channel text steganography
│   ├── PDF streams         Object/stream/metadata injection
│   └── Office XML          Custom XML parts and streams
│
├── Binary Carriers         ELF · PE/EXE/DLL (CLI)
│   ├── ELF slack/notes     2-bit masked region-cost embedding
│   └── PE slack/overlay    2-bit masked region-cost embedding
│
├── Network Covert Channels (CLI)
│   ├── TCP field channels  ip_id, tcp_seq, ttl
│   └── Timing channel      Inter-packet delay encoding
│
├── Crypto + Survivability
│   ├── AES-256-GCM + Argon2
│   ├── Decoy mode          Dual-payload plausible deniability
│   ├── Wet-paper wrapping  Reed-Solomon resilience wrapper
│   └── Platform profiles   Social-media-aware method selection/simulation
│
└── Interfaces
  ├── CLI                 Hybrid-first grouped method selection + full command mode
  ├── Web UI (Flask)      Grouped method pills, hybrid badges, local SSE streaming
  └── CTF mode            One command, all relevant detectors, ranked report

git clone https://github.com/Nour833/StegoForge.git
cd StegoForge
pip install -r requirements.txt
pip install -r requirements-web.txt
pip install -e .

stegoforge web  # 自動的に http://localhost:5000 にデプロイ

stegoforge

# Basic LSB into PNG
stegoforge encode -c photo.png -p message.txt -k "passphrase"

# Stealth JPEG DCT with custom bit depth
stegoforge encode -c photo.jpg -p secret.bin -k "key" --method dct

# Spectrogram Art — Hide a visual image inside playable audio
stegoforge encode -c music.wav -p logo.png --method spectrogram

# Decoy mode — Generates two keys, hiding two payloads in one file for plausible deniability
stegoforge encode -c photo.png -p real_secret.txt -k "realkey" \
                  --decoy decoy_message.txt --decoy-key "duresskey"

stegoforge decode -f photo_stego.png -k "passphrase"
stegoforge decode -f music_stego.wav -k "key" --method phase

# Run the complete heuristic gauntlet natively (Highly Recommended)
stegoforge ctf -f suspicious.png

# Targeted ML / Statistical Detection
stegoforge detect --chi2 -f image.png
stegoforge detect --rs -f image.png

# Embed a payload and securely POST it as a disguised HTTP packet
stegoforge deadrop post -c cover.png -p msg.txt -k "shared_key"

# Monitor a remote image URL for an incoming payload change
stegoforge deadrop monitor --url "https://example.com/image.png" -k "shared_key" --interval 20