dynhash/
sha3.rs

1use std::ops::{Deref, DerefMut};
2use crate::*;
3
4macro_rules! new_sha3 {
5    ( $sid:ident, $tid:ident, $hname:ident, $tname:ident, $len:expr, $str:expr, $hwhash:expr ) => {
6        new_hash!($hname, $tname, $len, $str);
7
8        pub struct $sid(lib_sha3::$sid);
9        impl Deref for $sid {
10            type Target = lib_sha3::$sid;
11            fn deref(&self) -> &Self::Target {
12                &self.0
13            }
14        }
15        impl DerefMut for $sid {
16            fn deref_mut(&mut self) -> &mut Self::Target {
17                &mut self.0
18            }
19        }
20
21        impl Hasher for $sid {
22            type HasherOutput = $hname;
23
24            fn output_type() -> &'static HashType {
25                &$tname as &HashType
26            }
27
28            fn new() -> Self {
29                $sid(lib_sha3::Digest::new())
30            }
31
32            fn input(&mut self, buf: &[u8]) -> Result<(), std::io::Error> {
33                Ok(lib_sha3::digest::Input::input(&mut self.0, buf))
34            }
35
36            fn result(self) -> Box<Self::HasherOutput> {
37                let hash = lib_sha3::digest::FixedOutput::fixed_result(self.0);
38                let mut array: [u8; $len] = [0; $len]; // This should have a default implementation
39                assert!(hash.as_slice().len() == array.len());
40
41                array.copy_from_slice(&hash);
42                Box::new($hname(array))
43            }
44        }
45
46        #[test]
47        fn $tid() {
48            let mut hasher: $sid = $sid::new();
49            hasher.input(b"Hello World").unwrap();
50            let hash: Box<$hname> = hasher.result();
51
52            let htype = $tname;
53            let newhash = htype.new_with_content(hash.as_slice()).unwrap();
54
55            assert!(format!("{:?}", newhash) == format!("Hash<{}, {}>", $str, $hwhash));
56        }
57    };
58}
59
60new_sha3!(
61    Sha3_224,
62    test_sha3_224,
63    Hash_Sha3_224,
64    HashType_Sha3_224,
65    28,
66    "sha3_224",
67    "8e800079a0b311788bf29353f400eff969b650a3597c91efd9aa5b38"
68);
69new_sha3!(
70    Sha3_256,
71    test_sha3_256,
72    Hash_Sha3_256,
73    HashType_Sha3_256,
74    32,
75    "sha3_256",
76    "e167f68d6563d75bb25f3aa49c29ef612d41352dc00606de7cbd630bb2665f51"
77);
78new_sha3!(
79    Sha3_384,
80    test_sha3_384,
81    Hash_Sha3_384,
82    HashType_Sha3_384,
83    48,
84    "sha3_384",
85    "a78ec2851e991638ce505d4a44efa606dd4056d3ab274ec6fdbac00cde16478263ef7213bad5a7db7044f58d637afdeb"
86);
87new_sha3!(
88    Sha3_512,
89    test_sha3_512,
90    Hash_Sha3_512,
91    HashType_Sha3_512,
92    64,
93    "sha3_512",
94    "3d58a719c6866b0214f96b0a67b37e51a91e233ce0be126a08f35fdf4c043c6126f40139bfbc338d44eb2a03de9f7bb8eff0ac260b3629811e389a5fbee8a894"
95);
dynhash/sha3.rs

dynhash/
sha3.rs
