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stegasoo/CHANGELOG.md
Aaron D. Lee 80dc22f150 Add Admin Recovery System with multiple backup options 
- Recovery key generation (32-char alphanumeric, dashed format)
- Multiple backup methods: text file, QR code, stego image
- QR codes obfuscated with XOR (RECOVERY_OBFUSCATION_KEY constant)
- Stego backup hides key in image using Stegasoo itself
- CLI: `stegasoo admin recover --db path/to/db`
- Web routes: /recover, /account/recovery/regenerate
- Toast notifications now auto-dismiss after 20s with fade
- Updated WEB_UI.md and CLI.md documentation for v4.1.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-04 02:27:06 -05:00

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Changelog

All notable changes to Stegasoo will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[4.1.0] - 2026-01-04

Added

  • Admin Recovery System: Password reset for locked-out admins
    • Recovery key generated during setup (32-char alphanumeric)
    • Multiple backup options: text file, QR code, stego image
    • QR codes obfuscated (XOR'd with magic header hash)
    • Stego backups hide key in an image using Stegasoo itself
    • CLI: stegasoo admin recover --db path/to/db
  • EXIF Editor: Full metadata editing in Tools page
    • View all EXIF fields from uploaded image
    • Inline editing of individual fields
    • Clear all metadata with one click
    • Download cleaned image
    • CLI: stegasoo tools exif image.jpg [--clear] [--set Field=Value]
  • Multi-User Support: Admin can create up to 16 additional users
    • Role-based access control (admin/user)
    • Admin user management page
    • Temp password generation for new users
  • Saved Channel Keys: Users can save/manage channel keys in account page

Changed

  • Architecture: Consolidated resolve_channel_key() to library layer
    • Single source of truth in src/stegasoo/channel.py
    • CLI, API, WebUI now use thin wrappers
  • DCT Pre-Check: Fail fast with helpful error before expensive encoding
  • Toast Notifications: Auto-dismiss after 20 seconds with fade animation
  • RECOVERY_OBFUSCATION_KEY constant added to constants.py

Fixed

  • DCT payload size error now caught early with clear message

4.0.2 - 2026-01-02

Added

  • Web UI Authentication: Single-admin login with SQLite3 user storage
    • First-run setup wizard for admin account creation
    • Account management page for password changes
    • @login_required decorator protects encode/decode/generate routes
    • Argon2id password hashing (lighter 64MB for fast login)
  • Optional HTTPS: Auto-generated self-signed certificates for home network deployment
    • Configurable via STEGASOO_HTTPS_ENABLED environment variable
    • Certificates stored in frontends/web/certs/
  • New environment variables: STEGASOO_AUTH_ENABLED, STEGASOO_HTTPS_ENABLED, STEGASOO_HOSTNAME

Changed

  • PIN entry column widened in encode/decode forms (col-md-4 → col-md-6)
  • Channel options column narrowed (col-md-8 → col-md-6)
  • QR preview panels enlarged for better text readability
  • Consistent font sizing across all preview panel banners (0.7rem filename, 0.6rem data, 0.65rem badges)

Fixed

  • QR preview text too small to read in encode/decode templates
  • Inconsistent label sizes between reference/carrier/stego panels

4.0.1 - 2025-01-02

Fixed

  • Fixed numpy binary incompatibility on Python 3.10 (jpegio/scipy)
  • Fixed BatchCredentials test failures with missing reference_photo parameter
  • Graceful handling when DCT dependencies have version mismatches

Changed

  • Applied ruff linter fixes across entire codebase (~400 issues)
  • Applied black formatter to all Python files
  • Modernized type hints: Optional[X] → X | None
  • Updated ruff config to use [tool.ruff.lint] section
  • Moved documentation files to repository root

Removed

  • Removed obsolete debug/diagnostic scripts
  • Cleaned up backup files and dev scripts

4.0.0 - 2024-12-29

Added

  • Refreshed Web UI with modern, snazzy interface
  • Improved user experience across all pages

Changed

  • Major version bump for breaking API changes
  • Simplified passphrase handling (single passphrase instead of day-based)
  • Removed date_str parameter from encoding

Fixed

  • Various bug fixes for Web UI
  • CLI updates and improvements

3.2.0 - 2024-12-28

Added

  • Big revamp of the encoding system
  • Home and about page improvements
  • UNDER_THE_HOOD.md documentation

Changed

  • Renamed phrase → passphrase in API
  • Updated Web UI styling

3.0.2 - 2024-12-27

Added

  • Full experimental DCT steganography support
  • jpegio integration for better JPEG manipulation
  • DCT/LSB mode selector in Web UI

3.0.0 - 2024-12-25

Added

  • DCT (Discrete Cosine Transform) steganography mode
  • Support for JPEG carriers without quality loss
  • Channel key feature for private messaging

Changed

  • Complete rewrite of steganography engine
  • New hybrid authentication system

2.0.0 - 2024-12-20

Added

  • Web UI frontend
  • REST API (FastAPI)
  • Batch processing support
  • RSA key authentication option

Changed

  • Migrated to hybrid photo + passphrase + PIN authentication

1.0.0 - 2024-12-15

Added

  • Initial release
  • LSB steganography
  • AES-256-GCM encryption
  • CLI interface
  • Basic PIN authentication
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