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use blake3::Hasher as Blake3Hasher;
use sha2::{Digest as Sha2Digest, Sha256};
const SALT: &[u8] = b"Dude@";
#[derive(Debug, Default, Clone, Copy)]
pub enum ChunkWriteHash {
#[default]
Blake3,
Sha256,
}
impl ChunkWriteHash {
pub fn hash(&self, d: &[u8]) -> [u8; 32] {
match self {
ChunkWriteHash::Blake3 => hash_blake3(d),
ChunkWriteHash::Sha256 => hash_sha256(d),
}
}
}
/// Compute the Blake3 hash of the data with a salt
/// Returns a 32-byte hash value
pub fn hash_blake3(d: &[u8]) -> [u8; 32] {
let mut hasher = Blake3Hasher::new();
hasher.update(SALT);
hasher.update(d);
*hasher.finalize().as_bytes()
}
/// Compute the SHA-256 hash of the data with a salt
/// Returns a 32-byte hash value
pub fn hash_sha256(d: &[u8]) -> [u8; 32] {
let mut hasher = Sha256::new();
hasher.update(SALT);
hasher.update(d);
hasher.finalize().into()
}
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