veilid_core/crypto/crypto_system/
blake3digest512.rs

1use curve25519_dalek::digest::generic_array::{typenum::U64, GenericArray};
2use curve25519_dalek::digest::{
3    Digest, FixedOutput, FixedOutputReset, Output, OutputSizeUser, Reset, Update,
4};
5
6pub struct Blake3Digest512 {
7    dig: blake3::Hasher,
8}
9
10impl OutputSizeUser for Blake3Digest512 {
11    type OutputSize = U64;
12}
13
14impl Update for Blake3Digest512 {
15    fn update(&mut self, data: &[u8]) {
16        self.dig.update(data);
17    }
18}
19
20impl FixedOutput for Blake3Digest512 {
21    fn finalize_into(self, out: &mut Output<Self>) {
22        let mut b = [0u8; 64];
23        self.dig.finalize_xof().fill(&mut b);
24        out[0..64].copy_from_slice(&b[0..64]);
25    }
26}
27
28impl Reset for Blake3Digest512 {
29    fn reset(&mut self) {
30        self.dig.reset();
31    }
32}
33
34impl FixedOutputReset for Blake3Digest512 {
35    fn finalize_into_reset(&mut self, out: &mut Output<Self>) {
36        let mut b = [0u8; 64];
37        self.dig.finalize_xof().fill(&mut b);
38        out[0..64].copy_from_slice(&b[0..64]);
39        self.dig.reset();
40    }
41}
42
43impl Digest for Blake3Digest512 {
44    fn new() -> Self {
45        Self {
46            dig: blake3::Hasher::new(),
47        }
48    }
49
50    fn new_with_prefix(data: impl AsRef<[u8]>) -> Self {
51        Self::new().chain_update(data)
52    }
53
54    fn chain_update(mut self, data: impl AsRef<[u8]>) -> Self
55    where
56        Self: Sized,
57    {
58        <Self as Update>::update(&mut self, data.as_ref());
59        self
60    }
61
62    fn finalize(self) -> Output<Self> {
63        let mut b = [0u8; 64];
64        self.dig.finalize_xof().fill(&mut b);
65        let mut out = GenericArray::<u8, U64>::default();
66        out[0..64].copy_from_slice(&b[0..64]);
67        out
68    }
69
70    fn finalize_reset(&mut self) -> Output<Self> {
71        let mut b = [0u8; 64];
72        self.dig.finalize_xof().fill(&mut b);
73        let mut out = GenericArray::<u8, U64>::default();
74        out[0..64].copy_from_slice(&b[0..64]);
75        self.dig.reset();
76        out
77    }
78
79    fn output_size() -> usize {
80        64
81    }
82
83    fn digest(data: impl AsRef<[u8]>) -> Output<Self> {
84        let mut dig = blake3::Hasher::new();
85        dig.update(data.as_ref());
86        let mut b = [0u8; 64];
87        dig.finalize_xof().fill(&mut b);
88        let mut out = GenericArray::<u8, U64>::default();
89        out[0..64].copy_from_slice(&b[0..64]);
90        out
91    }
92
93    fn update(&mut self, data: impl AsRef<[u8]>) {
94        <Self as Update>::update(self, data.as_ref())
95    }
96
97    fn finalize_into(self, out: &mut Output<Self>) {
98        <Self as FixedOutput>::finalize_into(self, out)
99    }
100
101    fn finalize_into_reset(&mut self, out: &mut Output<Self>)
102    where
103        Self: FixedOutputReset,
104    {
105        <Self as FixedOutputReset>::finalize_into_reset(self, out)
106    }
107
108    fn reset(&mut self)
109    where
110        Self: Reset,
111    {
112        <Self as Reset>::reset(self);
113    }
114}
veilid_core/crypto/crypto_system/blake3digest512.rs

veilid_core/crypto/crypto_system/
blake3digest512.rs
