noatun 0.1.3

Noatun is an in-process, distributed database with materialized view support.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

use crate::MessageId;
use sha2::digest::FixedOutput;
use sha2::Digest;
use sha2::Sha256;

pub fn sha2(bytes: &[u8]) -> [u8; 16] {
    let mut hasher = Sha256::new();
    // write input message
    hasher.update(bytes);

    // read hash digest and consume hasher
    hasher.finalize_fixed()[0..16].try_into().unwrap()
}
pub fn sha2_message(message_id: MessageId, bytes: &[u8]) -> [u8; 16] {
    let mut hasher = Sha256::new();
    // write input message
    hasher.update(message_id.as_bytes());
    hasher.update(bytes);

    // read hash digest and consume hasher
    hasher.finalize_fixed()[0..16].try_into().unwrap()
}