saymrwulf/anza-ed25519-verified
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Merged gen: one CurveField universe (field + curve + scalar), both buttons green

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Same architecture as the dalek/risc0/betrusted forks: the Scalar52
arithmetic start-froms (11 fns) plus scalar::from_bytes_mod_order[_wide]
join the CurveField extraction, so the field, curve, and scalar layers
share a single type universe - the prerequisite for the signature apex,
whose verify glue must see curve AND scalar calls resolve to proven
definitions by fully-qualified name.

Proofs/ScalarDenote.lean flips its import CurveScalar.Funs ->
CurveField.Funs (one line; the whole scalar proof chain recompiles
unchanged on the merged gen). check-scalar.sh repoints its GEN list.
gen/CurveScalar retained until the deprecation pass, as on the siblings.

check.sh + check-scalar.sh both green, all certificates axiom-clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
mrwulf 2026-07-04 23:15:54 +02:00
parent e18d9ea07a
commit 984d82a7d7
6 changed files with 1121 additions and 4 deletions
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2
verification/CurveField.llbc
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2
verification/Proofs/ScalarDenote.lean
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@ -23,7 +23,7 @@
Imports: gen/CurveScalar (the transpiled Scalar52 arithmetic).
────────────────────────────────────────────────────────────────────────────── -/
import CurveScalar.Funs
import CurveField.Funs
open Aeneas Aeneas.Std Result
open curve25519

2
verification/check-scalar.sh
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@ -6,7 +6,7 @@ set -uo pipefail
source ~/aeneas-toolchain/env.sh
HERE="$(cd "$(dirname "$0")" && pwd)"
AENEAS_LEAN="$AENEAS_HOME/backends/lean"
GEN=(CurveScalar/TypesExternal CurveScalar/Types CurveScalar/FunsExternal CurveScalar/Funs)
GEN=(CurveField/TypesExternal CurveField/Types CurveField/FunsExternal CurveField/Funs)
PROOFS=(ScalarDenote ScalarLoop ScalarSubSpec ScalarAddSpec ScalarMulSpec ScalarMontSpec ScalarReduceSpec ScalarFullMulSpec ScalarMain ScalarWideSpec ScalarBytesSpec ScalarUnpackSpec ScalarFromBytesSpec)
echo "=== stub/axiom audit ==="

15
verification/extract.sh
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@ -23,13 +23,26 @@ source ~/aeneas-toolchain/env.sh
HERE="$(cd "$(dirname "$0")" && pwd)"
CRATE=~/GitClone/FormalVerification/sources/anza-cryptography-source/curve25519/solana-ed25519
echo "[1/2] charon: Rust -> LLBC (field + curve_models + edwards)"
echo "[1/2] charon: Rust -> LLBC (field + curve_models + edwards + scalar [MERGED GEN])"
cd "$CRATE"
charon cargo --preset=aeneas \
--start-from crate::field \
--start-from crate::backend::serial::u64::field \
--start-from crate::backend::serial::curve_models \
--start-from crate::edwards \
--start-from 'crate::backend::serial::u64::scalar::_::add' \
--start-from 'crate::backend::serial::u64::scalar::_::sub' \
--start-from 'crate::backend::serial::u64::scalar::_::mul' \
--start-from 'crate::backend::serial::u64::scalar::_::square' \
--start-from 'crate::backend::serial::u64::scalar::_::montgomery_mul' \
--start-from 'crate::backend::serial::u64::scalar::_::montgomery_square' \
--start-from 'crate::backend::serial::u64::scalar::_::montgomery_reduce' \
--start-from 'crate::backend::serial::u64::scalar::_::montgomery_invert' \
--start-from 'crate::backend::serial::u64::scalar::_::as_montgomery' \
--start-from 'crate::backend::serial::u64::scalar::_::from_montgomery' \
--start-from 'crate::backend::serial::u64::scalar::_::from_bytes_wide' \
--start-from 'crate::scalar::_::from_bytes_mod_order' \
--start-from 'crate::scalar::_::from_bytes_mod_order_wide' \
--opaque 'crate::field::_::internal_invert_batch' \
--opaque 'crate::backend::serial::scalar_mul::variable_base' \
--opaque 'crate::backend::serial::scalar_mul::vartime_triple_base' \

1098
verification/gen/CurveField/Funs.lean
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6
verification/gen/CurveField/Types.lean
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@ -180,6 +180,12 @@ structure scalar.Scalar where
@[reducible]
def window.NafLookupTable5 (T : Type) := Array T 8#usize
/-- [curve25519::backend::serial::u64::scalar::Scalar52]
Source: 'curve25519/solana-ed25519/src/backend/serial/u64/scalar.rs', lines 26:0-26:34
Visibility: public -/
@[reducible]
def backend.serial.u64.scalar.Scalar52 := Array Std.U64 5#usize
/-- [curve25519::backend::BackendKind]
Source: 'curve25519/solana-ed25519/src/backend.rs', lines 46:0-50:1 -/
@[discriminant isize]