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https://github.com/saymrwulf/fips205-slhdsa-verified.git
synced 2026-09-03 19:53:49 +00:00
mrwulf
c28effd85e
fips205.base2b_outer_loop_eq (Proofs/InputPrepSpec.lean): the extracted digit-writing outer loop (helpers.base_2b_loop0) equals the explicit fold that, for each output index, runs the inner `while bits < b` accumulation loop (base_2b_loop0_loop0, consumed as an OPAQUE sub-call — same treatment as ht/fors give their sub-loops) then writes baseb[out] = (total >> bits) & (u32::MAX >> (32-b)). Cone EXACTLY [propext, Classical.choice, Quot.sound] — kernel-3, no oracle (pure bit/byte digit extraction). This completes the input-prep layer's named milestone (to_int, to_byte, base_2b) — all four prep certs kernel-3 clean. base_2b's inner while-loop VALUE fidelity (a fuel-induction value-level statement) is deliberately NOT claimed here; the outer loop pins the digit-writing structure with the inner accumulation threaded opaquely, exactly as every other layer treats its sub-loops. Proof: the ForsOuterSpec straight-line-nesting-a-loop recipe. The step lemma PEELS the inner-loop triple sub-call with `apply bind_congr; rintro ⟨inn1,bits1,total1⟩` then closes the small tail with full simp — a bare rfl would whnf the nested `loop` term and blow the heartbeat budget (the drill-9 lesson, applied deliberately). Compiled first try. check.sh: CERTS += fips205.base2b_outer_loop_eq. Green over ALL TEN certificates at default caps. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
111 lines
4.9 KiB
Bash
Executable file
111 lines
4.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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# The one-button claim for this repository (rigor invariant R3).
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# Green output == the full claim. This script is the ONLY source of the
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# word "proven" for this repo.
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#
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# Phase 1 — compile the extracted Lean model (gen/SlhVerify).
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# Phase 2 — compile the proof files (Proofs/).
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# Phase 3 — axiom audit: every certificate's #print axioms cone must be a
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# subset of {propext, Classical.choice, Quot.sound} plus the five
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# SHA-2 hash oracles (the documented boundary) — nothing else.
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set -euo pipefail
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HERE="$(cd "$(dirname "$0")" && pwd)"
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source ~/aeneas-toolchain/env.sh
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AENEAS_LEAN="$AENEAS_HOME/backends/lean"
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TIMEOUT="${LEAN_TIMEOUT:-400}"
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MEM="${LEAN_MEM_MB:-4096}"
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GEN_MODULES=(
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"SlhVerify/TypesExternal"
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"SlhVerify/Types"
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"SlhVerify/FunsExternal"
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"SlhVerify/Funs"
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)
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# Proof files, in dependency order.
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PROOFS=(
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"ChainSpec"
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"WotsSpec"
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"XmssSpec"
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"HtSpec"
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"ForsInnerSpec"
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"ForsOuterSpec"
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"InputPrepSpec"
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)
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# Certificates whose axiom cones are audited, and the allowed extras beyond
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# the three kernel axioms: the five SHA-2 verify-path oracles. A certificate
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# is listed here only once it is genuinely proven.
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CERTS=(
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"fips205.chain_free_loop_eq"
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"fips205.wots_loop1_eq"
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"fips205.xmss_loop_eq"
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"fips205.ht_loop_eq"
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"fips205.fors_inner_loop_eq"
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"fips205.fors_outer_loop_eq"
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"fips205.to_int_loop_eq"
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"fips205.to_byte_loop_eq"
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"fips205.wots_csum_loop_eq"
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"fips205.base2b_outer_loop_eq"
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)
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ORACLES="verify_mono.oracle.f, verify_mono.oracle.h, verify_mono.oracle.t_l, verify_mono.oracle.t_len, verify_mono.oracle.h_msg"
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ALLOWED="[propext, Classical.choice, Quot.sound, ${ORACLES}]"
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echo "fips205-slhdsa-verified — check"
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echo "==============================="
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# ── Phase 1: model ──────────────────────────────────────────────────────────
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echo "=== Phase 1: compile the extracted model ==="
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cd "$AENEAS_LEAN"
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lake env bash -c "
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set -euo pipefail
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cd '$HERE' && export LEAN_PATH=\"\$LEAN_PATH:\$PWD/gen:\$PWD\"
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compile() { echo \" · \$1\"; LEAN_TIMEOUT=$TIMEOUT LEAN_MEM_MB=$MEM '$HERE/lean-guard' \"\${1}.lean\" >/dev/null || { echo \"FAIL: \$1\"; exit 1; }; }
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for m in ${GEN_MODULES[*]}; do compile \"gen/\$m\"; done
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"
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# ── Phase 2: proofs ─────────────────────────────────────────────────────────
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echo "=== Phase 2: compile the proofs ==="
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cd "$AENEAS_LEAN"
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lake env bash -c "
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set -euo pipefail
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cd '$HERE' && export LEAN_PATH=\"\$LEAN_PATH:\$PWD/gen:\$PWD\"
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compile() { echo \" · \$1\"; LEAN_TIMEOUT=$TIMEOUT LEAN_MEM_MB=$MEM '$HERE/lean-guard' \"Proofs/\${1}.lean\" >/dev/null || { echo \"FAIL: Proofs/\$1\"; exit 1; }; }
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for m in ${PROOFS[*]}; do compile \"\$m\"; done
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# no dead proof files: everything under Proofs/ must be in the manifest
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for f in Proofs/*.lean; do b=\$(basename \"\$f\" .lean)
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case \" ${PROOFS[*]} \" in *\" \$b \"*) ;; *) echo \"DEAD FILE: Proofs/\$b.lean not in manifest\"; exit 1 ;; esac
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done
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"
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# ── Phase 3: axiom audit ────────────────────────────────────────────────────
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echo "=== Phase 3: axiom audit (cone ⊆ kernel-3 + 5 oracles) ==="
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cd "$AENEAS_LEAN"
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AUD="$HERE/Proofs/.audit.lean"
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{ echo "import Proofs.ChainSpec"; echo "import Proofs.WotsSpec"
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echo "import Proofs.XmssSpec"; echo "import Proofs.HtSpec"
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echo "import Proofs.ForsInnerSpec"; echo "import Proofs.ForsOuterSpec"; echo "import Proofs.InputPrepSpec"
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for c in "${CERTS[@]}"; do echo "#print axioms $c"; done
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} > "$AUD"
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OUT=$(lake env bash -c "cd '$HERE' && export LEAN_PATH=\"\$LEAN_PATH:\$PWD/gen:\$PWD\" && LEAN_TIMEOUT=$TIMEOUT LEAN_MEM_MB=$MEM '$HERE/lean-guard' 'Proofs/.audit.lean'" 2>&1)
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rm -f "$AUD"
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fail=0
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for c in "${CERTS[@]}"; do
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line=$(echo "$OUT" | grep -F "'$c' depends on axioms:" || true)
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if [ -z "$line" ]; then echo " ✗ $c — no axiom report"; fail=1; continue; fi
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cone=$(echo "$line" | sed "s/.*depends on axioms: //")
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# every axiom in the cone must be in ALLOWED
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bad=$(echo "$cone" | tr -d '[]' | tr ',' '\n' | sed 's/^ *//;s/ *$//' | while read -r ax; do
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[ -z "$ax" ] && continue
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case " propext Classical.choice Quot.sound verify_mono.oracle.f verify_mono.oracle.h verify_mono.oracle.t_l verify_mono.oracle.t_len verify_mono.oracle.h_msg " in
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*" $ax "*) ;; *) echo "$ax" ;;
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esac
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done)
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if [ -n "$bad" ]; then echo " ✗ $c — DISALLOWED axioms: $bad"; fail=1
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else echo " ✓ $c cone ⊆ allowed"; fi
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done
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[ "$fail" = 0 ] || { echo "AXIOM AUDIT FAILED"; exit 1; }
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echo
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echo "ALL GREEN — model compiles, proofs compile, every certificate cone is"
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echo "the three kernel axioms plus (at most) the SHA-2 hash oracles."
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echo "Certificates proven: ${CERTS[*]}"
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