blake3/
guts.rs

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1//! Deprecated in favor of [`hazmat`](crate::hazmat)
2
3pub use crate::{BLOCK_LEN, CHUNK_LEN};
4
5#[derive(Clone, Debug)]
6pub struct ChunkState(crate::ChunkState);
7
8impl ChunkState {
9    // Currently this type only supports the regular hash mode. If an
10    // incremental user needs keyed_hash or derive_key, we can add that.
11    pub fn new(chunk_counter: u64) -> Self {
12        Self(crate::ChunkState::new(
13            crate::IV,
14            chunk_counter,
15            0,
16            crate::platform::Platform::detect(),
17        ))
18    }
19
20    #[inline]
21    pub fn len(&self) -> usize {
22        self.0.count()
23    }
24
25    #[inline]
26    pub fn update(&mut self, input: &[u8]) -> &mut Self {
27        self.0.update(input);
28        self
29    }
30
31    pub fn finalize(&self, is_root: bool) -> crate::Hash {
32        let output = self.0.output();
33        if is_root {
34            output.root_hash()
35        } else {
36            output.chaining_value().into()
37        }
38    }
39}
40
41// As above, this currently assumes the regular hash mode. If an incremental
42// user needs keyed_hash or derive_key, we can add that.
43pub fn parent_cv(
44    left_child: &crate::Hash,
45    right_child: &crate::Hash,
46    is_root: bool,
47) -> crate::Hash {
48    let output = crate::parent_node_output(
49        left_child.as_bytes(),
50        right_child.as_bytes(),
51        crate::IV,
52        0,
53        crate::platform::Platform::detect(),
54    );
55    if is_root {
56        output.root_hash()
57    } else {
58        output.chaining_value().into()
59    }
60}
blake3/guts.rs

blake3/
guts.rs
