124958aea9
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.
129 lines
5.1 KiB
RPMSpec
129 lines
5.1 KiB
RPMSpec
# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# Fedora / RHEL / CentOS RPM spec for vaptvupt.
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#
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# Build with:
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# spectool -g vaptvupt.spec # fetches the upstream tarball
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# rpmbuild -ba vaptvupt.spec # builds source + binary RPMs
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#
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# To bring a release into production:
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# 1. Run `make dist` upstream → /tmp/vaptvupt-VERSION.tar.gz (reproducible).
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# 2. Upload to a stable release URL (git.securityops.co releases).
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# 3. Update %{version} below.
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# 4. Run `sha256sum /tmp/vaptvupt-VERSION.tar.gz` and update Source0
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# checksum (handled by spectool when configured) or pin via
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# sha256sum in a separate manifest if your distro requires it.
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# 5. rpmbuild --define '_topdir ~/rpmbuild' -ba zupt.spec
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#
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# This spec is written for Fedora 38+ and EPEL 9+; it should also work
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# on RHEL 8 (with EPEL) by adjusting BuildRequires if Python 3.8+ isn't
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# in the base.
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Name: vaptvupt
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Version: 4.2.0
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Release: 1%{?dist}
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Summary: Post-quantum backup compression utility (AES-256 + ML-KEM-768 + Argon2id, formerly Zupt)
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License: AGPL-3.0-or-later AND GPL-3.0-or-later
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URL: https://git.securityops.co/cristiancmoises/vaptvupt
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Source0: %{url}/releases/download/v%{version}/%{name}-%{version}.tar.gz
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# v3.0.0: legacy `zupt` package is superseded. Renaming was forced
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# by a prior INPI Brasil trademark registration on "Zupt". The
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# archive extension (.zupt), wire format, magic bytes, and C ABI
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# are unchanged.
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Provides: zupt = %{version}-%{release}
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Obsoletes: zupt < 3.0.0
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Conflicts: zupt < 3.0.0
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BuildRequires: gcc
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BuildRequires: make
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BuildRequires: glibc-devel
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BuildRequires: python3 >= 3.8
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# python3 is only needed for the regression-test harness (byte sweeps,
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# tamper injection). The shipped binary has no Python dependency.
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Requires: glibc
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%description
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Zupt is a pure-C11 backup compression utility featuring:
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* Post-quantum hybrid encryption (ML-KEM-768 + X25519, FIPS 203)
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* AES-256-CTR + HMAC-SHA256 authenticated encryption (Encrypt-then-MAC)
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* Argon2id password-based key derivation (default since 2.4.1)
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* Multi-threaded compression with the VaptVupt LZ codec
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* Full-disk backup and restore with sparse-region detection
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* End-to-end byte-level tamper detection on encrypted archives
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(0 silent-accept positions in the v1.6 exhaustive byte sweep)
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* Constant-time cryptographic primitives verified with Jasmin
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* NIST/RFC test vectors for SHA-256, SHA-3, ML-KEM-768, AES-256-CTR,
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HMAC-SHA256, X25519, PBKDF2, Argon2id
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The archive format includes an integrity trailer that authenticates
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the header and footer, per-block HMAC with bound frame-preface AAD,
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and optional encrypted comments.
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%global debug_package %{nil}
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# Single source RPM, no -debuginfo split for the initial release.
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%prep
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%autosetup -n %{name}-%{version}
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%build
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# Use Fedora's default optflags but with the project's preferred warning set.
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CFLAGS="%{optflags} -Wall -Wextra -Wpedantic -std=c11" \
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LDFLAGS="%{?build_ldflags}" \
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%make_build
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%check
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# Run the upstream regression suite. F-06 HMAC trials, F-08 top-MAC sweep,
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# F-09 byte sweep (1827 positions), F-10..F-12 regressions, dist
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# reproducibility. ~3 minutes on modern hardware.
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%make_build test
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%install
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%make_install DESTDIR=%{buildroot} PREFIX=/usr
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# Install the vendored libzuptsdk into /usr/lib/zupt/ — the binary is
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# linked with -Wl,-rpath,$ORIGIN/vendor/zuptsdk so we preserve the same
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# layout under /usr/.
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install -d %{buildroot}%{_libdir}/%{name}
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install -m 0755 vendor/zuptsdk/libzuptsdk.so.2.0.0 \
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%{buildroot}%{_libdir}/%{name}/libzuptsdk.so.2.0.0
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ln -sf libzuptsdk.so.2.0.0 %{buildroot}%{_libdir}/%{name}/libzuptsdk.so.2
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ln -sf libzuptsdk.so.2.0.0 %{buildroot}%{_libdir}/%{name}/libzuptsdk.so
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install -m 0755 vendor/pqvaptvupt/libpqvaptvupt.so.0.6.0 \
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%{buildroot}%{_libdir}/%{name}/libpqvaptvupt.so.0.6.0
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ln -sf libpqvaptvupt.so.0.6.0 %{buildroot}%{_libdir}/%{name}/libpqvaptvupt.so.0
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ln -sf libpqvaptvupt.so.0.6.0 %{buildroot}%{_libdir}/%{name}/libpqvaptvupt.so
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%files
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%license LICENSE
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%doc README.md SECURITY.md CHANGELOG.md
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%{_bindir}/zupt
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%{_libdir}/%{name}/libzuptsdk.so.2.0.0
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%{_libdir}/%{name}/libzuptsdk.so.2
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%{_libdir}/%{name}/libzuptsdk.so
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%{_libdir}/%{name}/libpqvaptvupt.so.0.6.0
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%{_libdir}/%{name}/libpqvaptvupt.so.0
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%{_libdir}/%{name}/libpqvaptvupt.so
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%if 0%{?_mandir:1}
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%{_mandir}/man1/zupt.1*
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%endif
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%changelog
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* Wed Jul 09 2026 Cristian Cezar Moisés <sac@securityops.co> - 4.2.0-1
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- New native full (pure) post-quantum mode --pq-only: ML-KEM-768 as the
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sole KEM, no classical X25519 (envelope 0x06). For "PQ-only" compliance
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postures; hybrid --pq remains the recommended default. In-tree crypto.
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- Security (critical): fixed AES-256-CTR keystream reuse under --dedup
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(every block now uses a fresh random 128-bit nonce). Re-encrypt any
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--dedup encrypted archives written by <= 4.1.0.
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- Clearer keygen --sdk/--box guidance on source-only builds.
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- Wire format v1.6 unchanged.
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* Tue May 20 2025 Cristian Cezar Moisés <sac@securityops.co> - 2.4.4-1
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- Initial Fedora/EPEL RPM package.
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- Tracks upstream v2.4.4: distribution packaging release; archive
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format unchanged from v2.4.3 (v1.6, 0/1878 silent-accept byte
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tampers).
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