Eremey Valetov
ab2d37286c
Automated test that runs the original 1992 UC2 Pro (UC.EXE) in DOSBox-X headlessly to create archives from the test corpus, then extracts with UC2 v3 and verifies byte-for-byte file identity. Key findings during development: - uc2pro.exe is a UCEXE self-extracting archive, not the tool itself; the actual archiver is UC.EXE inside the distribution - UC.EXE must be run from its own directory (needs DOS.SEA overlay) - DOSBox-X flatpak requires work dirs under $HOME (filesystem=home) - The reverse direction (UC2 v3 → original) does not work: the original UC2 Pro hangs reading UC2 v3 archives due to compression bitstream differences (added as a roadmap item) Also fixes create_archives.sh to use the same two-session DOSBox pattern (extract SFX first, then use UC.EXE).
42 lines
1.5 KiB
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42 lines
1.5 KiB
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Roadmap
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=======
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The development roadmap is maintained in ``ROADMAP.md`` at the project
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root. Key phases:
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1. **Decompression MVP** — Done. Portable decompressor, CLI tool,
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CMake build system.
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2. **Original Compression Engine** — Done. LZ77+Huffman compressor.
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Cross-tool round-trip verified: original UC2 Pro archives extract
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correctly in UC2 v3. Reverse direction (UC2 v3 → original) is a
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known limitation due to compression bitstream differences.
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3. **Modernized Master-Block Deduplication** — In progress.
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Content-fingerprint grouping and custom master-block generation done
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(FNV-1a sampling, MASMETA cdir records, SuperMaster-compressed
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masters). Remaining: content-defined chunking, Merkle DAG,
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cross-archive dedup, near-duplicate detection.
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4. **Modern Compression Backends** — ANS entropy coding,
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zstd-inspired dictionary compression, content-aware preprocessing.
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5. **Quantum-Resistant Encryption** — CRYSTALS-Kyber + AES-256-GCM.
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6. **DOS / FreeDOS / Retro-Computing** — DJGPP toolchain, vintage
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hardware support, self-extracting archives.
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7. **Cryptographic Integrity & Timestamping** — BLAKE3 hashing,
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OpenTimestamps.
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8. **Decentralized & Cloud Integration** — IPFS pinning,
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content-addressable dedup, cloud archiving.
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9. **Zero-Knowledge Proofs** — Privacy-preserving archive verification.
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10. **Ecosystem Integrations** — libarchive plugin, streaming dedup
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ingestion, file manager plugins.
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See the full roadmap: `ROADMAP.md on GitHub
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<https://github.com/evvaletov/uc2/blob/main/ROADMAP.md>`_.
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