1#![allow(clippy::duplicate_mod)]
2
3use alloc::boxed::Box;
4
5use super::ring_like::digest;
6use crate::crypto;
7use crate::msgs::enums::HashAlgorithm;
8
9pub(crate) static SHA256: Hash = Hash(&digest::SHA256, HashAlgorithm::SHA256);
10pub(crate) static SHA384: Hash = Hash(&digest::SHA384, HashAlgorithm::SHA384);
11
12pub(crate) struct Hash(&'static digest::Algorithm, HashAlgorithm);
13
14impl crypto::hash::Hash for Hash {
15 fn start(&self) -> Box<dyn crypto::hash::Context> {
16 Box::new(Context(digest::Context::new(self.0)))
17 }
18
19 fn hash(&self, bytes: &[u8]) -> crypto::hash::Output {
20 let mut ctx: Context = digest::Context::new(self.0);
21 ctx.update(data:bytes);
22 convert(val:ctx.finish())
23 }
24
25 fn output_len(&self) -> usize {
26 self.0.output_len()
27 }
28
29 fn algorithm(&self) -> HashAlgorithm {
30 self.1
31 }
32
33 fn fips(&self) -> bool {
34 super::fips()
35 }
36}
37
38struct Context(digest::Context);
39
40impl crypto::hash::Context for Context {
41 fn fork_finish(&self) -> crypto::hash::Output {
42 convert(self.0.clone().finish())
43 }
44
45 fn fork(&self) -> Box<dyn crypto::hash::Context> {
46 Box::new(Self(self.0.clone()))
47 }
48
49 fn finish(self: Box<Self>) -> crypto::hash::Output {
50 convert(self.0.finish())
51 }
52
53 fn update(&mut self, data: &[u8]) {
54 self.0.update(data);
55 }
56}
57
58fn convert(val: digest::Digest) -> crypto::hash::Output {
59 crypto::hash::Output::new(bytes:val.as_ref())
60}
61