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This commit is contained in:
Robin Salen 2023-08-10 10:40:47 -04:00
parent 12a687d34a
commit 56ebda4981
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GPG Key ID: FB87BACFB3CB2007
1 changed files with 3 additions and 5 deletions
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8
evm/src/keccak_sponge/keccak_sponge_stark.rs
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@ -358,15 +358,13 @@ impl<F: RichField + Extendable<D>, const D: usize> KeccakSpongeStark<F, D> {
row.updated_state_u32s = sponge_state.map(F::from_canonical_u32);
let is_final_block = row.is_final_input_len.iter().copied().sum::<F>() == F::ONE;
if is_final_block {
let mut cur_bytes = vec![F::ZERO; 4];
for (l, &elt) in row.updated_state_u32s[..8].iter().enumerate() {
let mut cur_elt = elt;
for i in 0..4 {
cur_bytes[i] =
(0..4).for_each(|i| {
row.updated_state_bytes[l * 4 + i] =
F::from_canonical_u32((cur_elt.to_canonical_u64() & 0xFF) as u32);
cur_elt = F::from_canonical_u64(cur_elt.to_canonical_u64() >> 8);
row.updated_state_bytes[l * 4 + i] = cur_bytes[i];
}
});
let mut s = row.updated_state_bytes[l * 4].to_canonical_u64();
for i in 1..4 {