hekate-crypto 0.35.0

Hash abstraction for the Hekate ZK proving system: Blake3, SHA-256, SHA-3-256.
Documentation 
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// SPDX-FileCopyrightText: 2026 Andrei Kochergin <andrei@oumuamua.dev>
// SPDX-FileCopyrightText: 2026 Oumuamua Labs <info@oumuamua.dev>
// SPDX-License-Identifier: AGPL-3.0-only

//! SHA-3-256 (FIPS-202, RustCrypto `sha3` crate).
use crate::Hasher;
use sha3::{Digest, Sha3_256};

#[derive(Clone, Debug)]
pub struct Sha3_256Hasher {
    inner: Sha3_256,
}

impl Hasher for Sha3_256Hasher {
    const OUTPUT_SIZE: usize = 32;

    fn new() -> Self {
        Self {
            inner: Sha3_256::new(),
        }
    }

    fn update(&mut self, data: &[u8]) {
        self.inner.update(data);
    }

    fn finalize(self) -> [u8; 32] {
        self.inner.finalize().into()
    }

    fn finalize_reset(&mut self) -> [u8; 32] {
        let out = self.inner.finalize_reset();
        out.into()
    }
}