mirror of
https://github.com/saymrwulf/anza-ed25519-verified.git
synced 2026-09-03 20:13:46 +00:00
mrwulf
90c019b8d4
Extraction widened to backend::serial::curve_models + edwards (matching the reference recipe; extra opaque: backend::scalar_fits_in_128_bits — a post-reference NAF-path helper whose generated code trips an Aeneas namespace-shadowing wart). Reference Ed* suite compiles UNCHANGED (same crate namespace). All proofs pass; both certificates axiom-clean. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
48 lines
2.1 KiB
Bash
Executable file
48 lines
2.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Regenerate the Lean model in gen/ from the Rust sources.
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#
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# SCOPE: field arithmetic + Edwards point arithmetic
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# roots: crate::field, crate::backend::serial::u64::field,
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# crate::backend::serial::curve_models, crate::edwards
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# (same widening the reference solution used for its Tier-1 addition-law
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# theorem; scalar-mul backends and decompress internals stay opaque —
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# upstream Aeneas cannot translate them; they are modeled/axiomatized in
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# gen/CurveField/FunsExternal.lean OUTSIDE every certificate's cone).
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#
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# Rust --charon--> CurveField.llbc --aeneas--> gen/CurveField/*.lean
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#
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# The hand-written gen/CurveField/{TypesExternal,FunsExternal}.lean are NOT
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# touched by regeneration (Aeneas only rewrites the *_Template variants).
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# After regenerating, diff the templates against the hand-written files:
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# diff gen/CurveField/FunsExternal_Template.lean gen/CurveField/FunsExternal.lean
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#
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# Usage: ./extract.sh
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set -euo pipefail
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source ~/aeneas-toolchain/env.sh
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HERE="$(cd "$(dirname "$0")" && pwd)"
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CRATE=~/GitClone/FormalVerification/sources/anza-cryptography-source/curve25519/solana-ed25519
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echo "[1/2] charon: Rust -> LLBC (field + curve_models + edwards)"
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cd "$CRATE"
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charon cargo --preset=aeneas \
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--start-from crate::field \
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--start-from crate::backend::serial::u64::field \
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--start-from crate::backend::serial::curve_models \
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--start-from crate::edwards \
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--opaque 'crate::field::_::internal_invert_batch' \
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--opaque 'crate::backend::serial::scalar_mul' \
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--opaque 'crate::backend::vector' \
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--opaque 'crate::backend::get_selected_backend' \
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--opaque 'crate::backend::scalar_fits_in_128_bits' \
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--opaque 'crate::edwards::decompress' \
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--opaque 'crate::edwards::_::sum' \
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--opaque 'crate::edwards::_::from_slice' \
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--dest-file "$HERE/CurveField.llbc" \
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-- --no-default-features
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echo "[2/2] aeneas: LLBC -> Lean (split files, CurveField.* modules)"
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cd "$HERE"
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aeneas -backend lean -split-files -subdir CurveField -dest gen CurveField.llbc
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echo "Done. Now run ./check.sh to type-check the regenerated model."
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