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nomos-specs
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Use sha3 for hashing

This commit is contained in:
Daniel Sanchez Quiros 2024-03-08 10:11:20 +01:00
parent 7921f2c706
commit 0337a12733
2 changed files with 3 additions and 3 deletions
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4
da/encoder.py
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@ -1,7 +1,7 @@
from dataclasses import dataclass
from itertools import batched, chain
from typing import List, Sequence, Tuple
from hashlib import sha256
from hashlib import sha3_256
from eth2spec.eip7594.mainnet import KZGCommitment as Commitment, KZGProof as Proof, BLSFieldElement
@ -120,5 +120,5 @@ class DAEncoder:
def _hash_column_and_commitment(column: Column, commitment: Commitment) -> bytes:
# TODO: Check correctness of bytes to blsfieldelement using modulus over the hash
return (
int.from_bytes(sha256(column.as_bytes() + bytes(commitment)).digest()) % BLS_MODULUS
int.from_bytes(sha3_256(column.as_bytes() + bytes(commitment)).digest()) % BLS_MODULUS
).to_bytes(32, byteorder="big")

2
da/test_encoder.py
View File

@ -5,7 +5,7 @@ from unittest import TestCase
from eth2spec.deneb.mainnet import bytes_to_bls_field
from da import encoder
from da.encoder import DAEncoderParams, Commitment, DAEncoder
from da.encoder import DAEncoderParams, DAEncoder
from eth2spec.eip7594.mainnet import BYTES_PER_FIELD_ELEMENT, BLSFieldElement
from da.kzg_rs.common import BLS_MODULUS, ROOTS_OF_UNITY