544a2cd647
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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 - Remove internal scratch files (PROMPT.md, FORMAL_AUDIT_PROMPT.md) and superseded version-specific docs (INTEGRATION_PROTOCOL_2.60.4.md, docs/FINDINGS-2.x.md) and a stray test binary.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).
90 lines
3 KiB
Shell
Executable file
90 lines
3 KiB
Shell
Executable file
#!/bin/bash
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# Copyright (c) 2025-2026 Cristian Cezar Moisés
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#
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# F-09 regression test (Zupt 2.3.1).
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#
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# F-09 closed the per-block frame preface tamper window by:
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# 1. Binding the canonical preface (block_type, codec_id, block_flags,
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# sizes, plaintext-XXH64) into the per-block HMAC via the new v1.6
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# ZUPT_FLAG_AAD_PREFACE policy.
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# 2. Adding strict structural validation of the encryption-header
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# block's frame preface in read_enc_header (same pattern as F-07
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# for the index block in v2.2.5).
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#
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# This test does the full exhaustive byte sweep on a small v1.6 PQ-SDK
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# archive: every byte from 0 to N-1 is flipped one at a time, and we
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# assert the extract fails for ALL of them. With pre-F-09 code this
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# would show 15-18 silent acceptances; post-F-09 it must show zero.
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#
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# Why limit to PQ-SDK encrypted: plaintext archives have no HMAC at
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# all (XXH64 best-effort only), so per-byte coverage is intentionally
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# weaker and a different, separately-tracked promise.
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set -u
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ZUPT="${ZUPT_BIN:-./zupt}"
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case "$ZUPT" in
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/*) ;;
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*) ZUPT="$PWD/$ZUPT" ;;
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esac
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if [ ! -x "$ZUPT" ]; then
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echo " ✗ $ZUPT not found — run 'make' first" >&2
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exit 1
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fi
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TMPDIR=$(mktemp -d)
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trap 'rm -rf "$TMPDIR"' EXIT
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cd "$TMPDIR"
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"$ZUPT" keygen --sdk -o k.priv >/dev/null 2>&1
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echo "F-09 regression test payload" > input.txt
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"$ZUPT" c --pq-sdk k.priv.pub a.zupt input.txt >/dev/null 2>&1
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SZ=$(wc -c < a.zupt)
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if [ "$SZ" -lt 100 ] || [ "$SZ" -gt 10000 ]; then
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echo " ✗ unexpected archive size $SZ" >&2
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exit 1
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fi
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# Sanity: clean archive extracts.
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mkdir -p clean
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( cd clean && "$ZUPT" x --pq-sdk ../k.priv ../a.zupt >/dev/null 2>&1 )
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if [ ! -f clean/input.txt ]; then
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echo " ✗ clean v1.6 PQ-SDK archive doesn't extract" >&2
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exit 1
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fi
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# Exhaustive sweep.
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echo " [F-09: exhaustive byte sweep of $SZ-byte v1.6 PQ-SDK archive]"
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UNDETECTED_POSITIONS=""
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TAMPER_SAMPLED=0
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for POS in $(seq 0 $((SZ - 1))); do
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cp a.zupt t.zupt
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python3 -c "
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b=bytearray(open('t.zupt','rb').read())
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b[$POS] ^= 1
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open('t.zupt','wb').write(bytes(b))"
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rm -rf out && mkdir out
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( cd out && "$ZUPT" x --pq-sdk ../k.priv ../t.zupt >/dev/null 2>&1 )
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TAMPER_SAMPLED=$((TAMPER_SAMPLED + 1))
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if [ -f out/input.txt ]; then
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UNDETECTED_POSITIONS="$UNDETECTED_POSITIONS $POS"
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fi
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done
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UNDETECTED_COUNT=$(echo $UNDETECTED_POSITIONS | wc -w)
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echo ""
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echo " ───────────────────────────────────────"
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if [ "$UNDETECTED_COUNT" = 0 ]; then
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echo " F-09 regression: $TAMPER_SAMPLED tamper positions tested, 0 silent-accepted ✓"
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echo " ───────────────────────────────────────"
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exit 0
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else
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echo " F-09 regression: $UNDETECTED_COUNT silent-accepted positions (must be 0)"
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echo " positions:$UNDETECTED_POSITIONS"
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echo " ───────────────────────────────────────"
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exit 1
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fi
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