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Add `KZG_SETUP_G1_MONOMIAL` to trusted setup files

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Hsiao-Wei Wang 2024-01-05 18:21:15 +08:00
parent c58c4a71b2
commit 75b1bf515a
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GPG Key ID: AE3D6B174F971DE4
5 changed files with 16527 additions and 8328 deletions
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12418
presets/mainnet/trusted_setups/trusted_setup_4096.json
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12418
presets/minimal/trusted_setups/trusted_setup_4096.json
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8
setup.py
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@ -112,10 +112,11 @@ def _load_kzg_trusted_setups(preset_name):
with open(trusted_setups_file_path, 'r') as f:
json_data = json.load(f)
trusted_setup_G1_monomial = json_data['g1_monomial']
trusted_setup_G1_lagrange = json_data['g1_lagrange']
trusted_setup_G2_monomial = json_data['g2_monomial']
return trusted_setup_G2_monomial, trusted_setup_G1_lagrange
return trusted_setup_G1_monomial, trusted_setup_G1_lagrange, trusted_setup_G2_monomial
def _load_curdleproofs_crs(preset_name):
"""
@ -167,9 +168,10 @@ def _parse_value(name: str, typed_value: str, type_hint: Optional[str] = None) -
def _update_constant_vars_with_kzg_setups(constant_vars, preset_name):
comment = "noqa: E501"
kzg_setups = ALL_KZG_SETUPS[preset_name]
constant_vars['KZG_SETUP_G2_MONOMIAL'] = VariableDefinition(constant_vars['KZG_SETUP_G2_MONOMIAL'].value, str(kzg_setups[0]), comment, None)
constant_vars['KZG_SETUP_G1_MONOMIAL'] = VariableDefinition(constant_vars['KZG_SETUP_G1_MONOMIAL'].value, str(kzg_setups[0]), comment, None)
constant_vars['KZG_SETUP_G1_LAGRANGE'] = VariableDefinition(constant_vars['KZG_SETUP_G1_LAGRANGE'].value, str(kzg_setups[1]), comment, None)
constant_vars['KZG_SETUP_G2_MONOMIAL'] = VariableDefinition(constant_vars['KZG_SETUP_G2_MONOMIAL'].value, str(kzg_setups[2]), comment, None)
def get_spec(file_name: Path, preset: Dict[str, str], config: Dict[str, str], preset_name=str) -> SpecObject:
functions: Dict[str, str] = {}

8
specs/deneb/polynomial-commitments-sampling.md
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@ -301,7 +301,7 @@ def compute_kzg_proof_multi_impl(
# Compute the quotient polynomial directly in evaluation form
quotient_polynomial = divide_polynomialcoeff(polynomial_shifted, denominator_poly)
return KZGProof(g1_lincomb(KZG_SETUP_G1[:len(quotient_polynomial)], quotient_polynomial)), ys
return KZGProof(g1_lincomb(KZG_SETUP_G1_MONOMIAL[:len(quotient_polynomial)], quotient_polynomial)), ys
```
#### `verify_kzg_proof_multi_impl`
@ -314,14 +314,14 @@ def verify_kzg_proof_multi_impl(commitment: KZGCommitment,
"""
Helper function that verifies a KZG multiproof
"""
zero_poly = g2_lincomb(KZG_SETUP_G2[:len(zs) + 1], vanishing_polynomialcoeff(zs))
interpolated_poly = g1_lincomb(KZG_SETUP_G1[:len(zs)], interpolate_polynomialcoeff(zs, ys))
zero_poly = g2_lincomb(KZG_SETUP_G2_MONOMIAL[:len(zs) + 1], vanishing_polynomialcoeff(zs))
interpolated_poly = g1_lincomb(KZG_SETUP_G1_MONOMIAL[:len(zs)], interpolate_polynomialcoeff(zs, ys))
return (bls.pairing_check([
[bls.bytes48_to_G1(proof), bls.bytes96_to_G2(zero_poly)],
[
bls.add(bls.bytes48_to_G1(commitment), bls.neg(bls.bytes48_to_G1(interpolated_poly))),
bls.neg(bls.bytes96_to_G2(KZG_SETUP_G2[0])),
bls.neg(bls.bytes96_to_G2(KZG_SETUP_G2_MONOMIAL[0])),
],
]))
```

3
specs/deneb/polynomial-commitments.md
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@ -104,8 +104,9 @@ Public functions MUST accept raw bytes as input and perform the required cryptog
| Name | Value |
| - | - |
| `KZG_SETUP_G2_LENGTH` | `65` |
| `KZG_SETUP_G2_MONOMIAL` | `Vector[G2Point, KZG_SETUP_G2_LENGTH]` |
| `KZG_SETUP_G1_MONOMIAL` | `Vector[G1Point, FIELD_ELEMENTS_PER_BLOB]` |
| `KZG_SETUP_G1_LAGRANGE` | `Vector[G1Point, FIELD_ELEMENTS_PER_BLOB]` |
| `KZG_SETUP_G2_MONOMIAL` | `Vector[G2Point, KZG_SETUP_G2_LENGTH]` |
## Helper functions