83 lines
2.5 KiB
Markdown
83 lines
2.5 KiB
Markdown
# Changelog
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All notable changes to Stegasoo will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [2.2.0] - 2025-12-30
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### Added
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- **Compression Module** (`stegasoo.compression`)
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- Zlib compression for payloads (enabled by default)
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- Optional LZ4 support for faster compression (`pip install lz4`)
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- Automatic algorithm detection on decompression
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- `--compress/--no-compress` CLI flags
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- `--algorithm` flag to choose compression method
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- `estimate_compressed_size()` for capacity planning
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- **Batch Processing** (`stegasoo.batch`)
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- `stegasoo batch encode` - encode message into multiple images
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- `stegasoo batch decode` - decode from multiple images
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- `stegasoo batch check` - check capacity of multiple images
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- Parallel processing with configurable workers (`-j/--jobs`)
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- Recursive directory scanning (`-r/--recursive`)
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- Progress callbacks for UI integration
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- JSON output for all batch operations
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- **CLI Improvements**
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- `--json` global flag for machine-readable output
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- `--dry-run` flag for encode (preview capacity usage)
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- `stegasoo info` command to show version and features
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- JSON output for `generate` command
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- **New Constants**
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- `MIN_COMPRESS_SIZE` - minimum size to attempt compression
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- `ZLIB_COMPRESSION_LEVEL` - compression level setting
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- `BATCH_DEFAULT_WORKERS` - default parallel workers
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- `BATCH_MAX_WORKERS` - maximum parallel workers
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### Changed
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- Version bumped to 2.2.0
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- Payloads are now compressed by default before encryption
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- Updated `pyproject.toml` with `compression` optional dependency group
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### Dependencies
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- Added optional dependency: `lz4>=4.0.0` (in `[compression]` extra)
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## [2.1.4] - 2025-12-29
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### Changed
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- Centralized all configuration values to `constants.py`
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- Added version injection to Flask templates via context processor
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- Synchronized version across `constants.py` and `pyproject.toml`
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## [2.1.3] - 2025-12-28
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### Added
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- Initial public release
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- Core steganography encoding/decoding
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- Hybrid authentication (passphrase + PIN)
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- RSA key support
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- QR code credential sharing
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- CLI interface
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- REST API (FastAPI)
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- Web frontend (Flask)
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- File payload embedding
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- Temporary file auto-expiry
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---
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## Version History Summary
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| Version | Date | Highlights |
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|---------|------|------------|
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| 2.2.0 | 2025-12-30 | Batch processing, compression |
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| 2.1.4 | 2025-12-29 | Constants centralization |
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| 2.1.3 | 2025-12-28 | Initial release |
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