| Author | SHA1 | Message | Date | |
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Cristian Cezar Moisés
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e8f7b3adb2 |
v4.2.1: bump packaging recipes and docs to 4.2.1
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Version fields, changelogs (rpm/deb/openSUSE), and download references across README/INSTALL/DISTRIBUTION/gui-README bumped to 4.2.1 for the info-label point release. GUI stays 1.3.0. No code change here. |
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Cristian Cezar Moisés
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124958aea9 |
v4.2.0: full (pure) post-quantum mode + critical dedup nonce fix
Add a native full post-quantum encryption mode and fix a critical keystream-reuse bug in deduplicated encrypted archives. Full post-quantum mode (--pq-only) - New envelope type 0x06 (ZUPT_ENC_PQ_ONLY): ML-KEM-768 (FIPS 203) as the sole key-establishment mechanism, with no classical X25519 component. Archive key = SHA3-512(ml_ss || ml_ct || "ZUPT-PQ-ONLY-v1"). - For compliance postures that require a single NIST-standardised PQ primitive with no classical KEM in the envelope (CNSA 2.0-style "PQ-only"). Hybrid --pq stays the recommended default; --pq-only has no classical fallback, so a break of ML-KEM-768 alone breaks it. - keygen --pq-only / keygen --pub --pq-only (ZPQK magic, 1200B pub / 3600B priv; not interchangeable with hybrid --pq keys). Wrong or tampered ciphertext is rejected via ML-KEM FO implicit rejection plus the HMAC-SHA256 Encrypt-then-MAC envelope. In-tree, default build. Security (critical): AES-256-CTR keystream reuse under --dedup - Dedup assigns block sequence 0 to every data block (the sentinel that keeps cross-file dedup references authenticating consistently). The per-block nonce was base_nonce XOR block_seq, so under --dedup every block collapsed to the same nonce, reusing the CTR keystream across distinct plaintexts (a many-time-pad). Each block now uses a fresh random 128-bit nonce stored in the block prefix and bound into the block MAC; block_seq is still bound as MAC AAD. Regression test: tests/test_dedup_nonce.sh. Re-encrypt any --dedup encrypted archives written by <= 4.1.0. Other - keygen --sdk / --box on a source-only build now fails with a clear message pointing to native --pq / --pq-only (or a WITH_SDK=1 build). - Documentation: README, SECURITY, THREAT_MODEL, man page, CHANGELOG, and all packaging recipes updated for the new mode and the security fix; version bumped to 4.2.0. Wire format v1.6 unchanged (0x06 is additive). Validation: make check 16/16, quick suite 11/11 (incl. PQ-only), dedup-nonce regression (all block nonces distinct), cppcheck clean. |
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Cristian Cezar Moisés
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4874010d0e |
v4.1.0: source-only build, multithreaded-encryption fix, security hardening
Build from source with no vendored binaries: - Remove prebuilt libzuptsdk.so / libpqvaptvupt.so (and a stray .pyc). The default build needs only a C compiler + make; it links no external library and installs no .so. The libzuptsdk-backed modes (Argon2id KDF, --pq-sdk, --pq-box) are gated behind an opt-in `make WITH_SDK=1`. The default password KDF is PBKDF2-SHA256 and --pq (native ML-KEM-768 + X25519) is the built-in PQ mode. openSUSE/RPM/deb/AUR/Homebrew/Nix recipes bumped to 4.1.0; the openSUSE spec now builds source-only (%files ships no .so, %build/%install WITH_SDK=0). Fix: multithreaded encrypted archives were unextractable on the native AEAD path. The parallel compress/decompress workers skipped the F-09 frame-preface AAD that the serial path and the archive's AAD_PREFACE flag bind into every block MAC, so each multithreaded block failed authentication. The workers now bind the preface via a shared serializer; output is byte-identical across thread counts and interoperates with single-threaded archives (also fixes `--kdf pbkdf2 -t N` in any build). Security hardening (crafted-archive memory safety + crypto): - LZH raw code-length stack overflow + huff_lut OOB write - overflow-safe bounds in parse_index and solid-mode extract (heap OOB read) - SEQ decoder safe-zone heap overflow (litlen+matchlen reserve) - require the per-block ENCRYPTED flag on encrypted archives (plaintext forgery) - cap archive-supplied PBKDF2 iteration count (KDF-amplification DoS) - non-elidable secret wipe in the SDK path; restored disk images created 0600 Docs: remove AUDIT.md / BENCHMARKS.md / ROADMAP.md; trim marketing/AI-styled text and correct KDF/PQ facts across README, SECURITY, INSTALL, DISTRIBUTION, THREAT_MODEL, THIRD-PARTY-NOTICES, the man page, and packaging READMEs. Wire format v1.6 unchanged. |
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Cristian Cezar Moisés
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544a2cd647 |
v4.0.0: codec 2.60.4 security release, --pq-box sealed-box mode, F-16 fix
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Major release. Highlights: - Codec: vendored VaptVupt codec moves to canonical 2.60.4 security release. Fixes a high-severity OOB heap write in the AVX2 decode fast path (reachable on a valid stream sized to exactly content_size, both tail variants). Brings CBMC-formally-verified BCJ filters with automatic ELF/PE/Mach-O detection. Compressed output stays byte-identical (ratio gate Δ 0.00%); wire format unchanged at v1.6. - New --pq-box sealed-box recipient mode (vendored libpqvaptvupt 0.6.0): ML-KEM-768 + X25519 combined via HKDF-SHA256 with domain separation, AES-256-CTR + HMAC-SHA256 EtM. Legacy --pq and --pq-sdk stay readable. - F-16: discloses and fixes a pre-existing data-loss defect in the <= 3.8.0 in-tree BCJ encoder. Full back-compat matrix decodes byte-exact under 4.0.0; every readable pre-4.0 archive remains readable. Repository hygiene: - Sync full 4.0.0 source tree (codec, crypto, SDK, GUI, packaging, tests). - Remove internal scratch files (PROMPT.md, FORMAL_AUDIT_PROMPT.md) and superseded version-specific docs (INTEGRATION_PROTOCOL_2.60.4.md, docs/FINDINGS-2.x.md) and a stray test binary. - Refresh README download/install section to real 4.0.0 release assets; bump version badge to 4.0.0. - Add .gitignore for build outputs (keeps vendored prebuilt libraries). |
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e8f7b3adb2 | ||
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124958aea9 | ||
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4874010d0e | ||
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544a2cd647 |