1use hashes::hmac::HmacEngine;
11use hashes::{
12 hash160, ripemd160, sha1, sha256, sha256d, sha256t, sha384, sha512, sha512_256, siphash24,
13 HashEngine as _,
14};
15
16use crate::BufRead;
17
18macro_rules! impl_write {
19 ($ty: ty, $write_fn: expr, $flush_fn: expr $(, $bounded_ty: ident : $bounds: path),*) => {
20 impl<$($bounded_ty: $bounds),*> crate::Write for $ty {
22 #[inline]
23 fn write(&mut self, buf: &[u8]) -> crate::Result<usize> {
24 $write_fn(self, buf)}
25
26 #[inline]
27 fn flush(&mut self) -> crate::Result<()> {
28 $flush_fn(self)
29 }
30 }
31 }
32}
33
34impl_write!(
35 hash160::HashEngine,
36 |us: &mut hash160::HashEngine, buf| {
37 hashes::HashEngine::input(us, buf);
38 Ok(buf.len())
39 },
40 |_us| { Ok(()) }
41);
42
43impl_write!(
44 ripemd160::HashEngine,
45 |us: &mut ripemd160::HashEngine, buf| {
46 hashes::HashEngine::input(us, buf);
47 Ok(buf.len())
48 },
49 |_us| { Ok(()) }
50);
51
52impl_write!(
53 sha1::HashEngine,
54 |us: &mut sha1::HashEngine, buf| {
55 hashes::HashEngine::input(us, buf);
56 Ok(buf.len())
57 },
58 |_us| { Ok(()) }
59);
60
61impl_write!(
62 sha256::HashEngine,
63 |us: &mut sha256::HashEngine, buf| {
64 hashes::HashEngine::input(us, buf);
65 Ok(buf.len())
66 },
67 |_us| { Ok(()) }
68);
69
70impl_write!(
71 sha256d::HashEngine,
72 |us: &mut sha256d::HashEngine, buf| {
73 hashes::HashEngine::input(us, buf);
74 Ok(buf.len())
75 },
76 |_us| { Ok(()) }
77);
78
79impl_write!(
80 sha256t::HashEngine<T>,
81 |us: &mut sha256t::HashEngine<T>, buf| {
82 hashes::HashEngine::input(us, buf);
83 Ok(buf.len())
84 },
85 |_us| { Ok(()) },
86 T: sha256t::Tag
87);
88
89impl_write!(
90 sha384::HashEngine,
91 |us: &mut sha384::HashEngine, buf| {
92 hashes::HashEngine::input(us, buf);
93 Ok(buf.len())
94 },
95 |_us| { Ok(()) }
96);
97
98impl_write!(
99 sha512::HashEngine,
100 |us: &mut sha512::HashEngine, buf| {
101 hashes::HashEngine::input(us, buf);
102 Ok(buf.len())
103 },
104 |_us| { Ok(()) }
105);
106
107impl_write!(
108 sha512_256::HashEngine,
109 |us: &mut sha512_256::HashEngine, buf| {
110 hashes::HashEngine::input(us, buf);
111 Ok(buf.len())
112 },
113 |_us| { Ok(()) }
114);
115
116impl_write!(
117 siphash24::HashEngine,
118 |us: &mut siphash24::HashEngine, buf| {
119 hashes::HashEngine::input(us, buf);
120 Ok(buf.len())
121 },
122 |_us| { Ok(()) }
123);
124
125impl_write!(
126 HmacEngine<T>,
127 |us: &mut HmacEngine<T>, buf| {
128 us.input(buf);
129 Ok(buf.len())
130 },
131 |_us| { Ok(()) },
132 T: hashes::HashEngine
133);
134
135pub fn hash_reader<T>(reader: &mut impl BufRead) -> Result<T::Hash, crate::Error>
137where
138 T: hashes::HashEngine + Default,
139{
140 let mut engine = T::default();
141 loop {
142 let bytes = reader.fill_buf()?;
143
144 let read = bytes.len();
145 if read == 0 {
147 break;
148 }
149
150 engine.input(bytes);
151 reader.consume(read);
152 }
153 Ok(engine.finalize())
154}
155
156#[cfg(test)]
157#[cfg(feature = "alloc")]
158mod tests {
159 use alloc::format;
160
161 use hashes::hmac;
162
163 use super::*;
164 use crate::{Cursor, Write as _};
165
166 macro_rules! write_test {
167 ($mod:ident, $exp_empty:expr, $exp_256:expr, $exp_64k:expr,) => {
168 #[test]
169 fn $mod() {
170 let mut engine = $mod::Hash::engine();
171 engine.write_all(&[]).unwrap();
172 assert_eq!(format!("{}", $mod::Hash::from_engine(engine)), $exp_empty);
173
174 let mut engine = $mod::Hash::engine();
175 engine.write_all(&[1; 256]).unwrap();
176 assert_eq!(format!("{}", $mod::Hash::from_engine(engine)), $exp_256);
177
178 let mut engine = $mod::Hash::engine();
179 engine.write_all(&[99; 64000]).unwrap();
180 assert_eq!(format!("{}", $mod::Hash::from_engine(engine)), $exp_64k);
181 }
182 };
183 }
184
185 write_test!(
186 sha1,
187 "da39a3ee5e6b4b0d3255bfef95601890afd80709",
188 "ac458b067c6b021c7e9358229b636e9d1e4cb154",
189 "e4b66838f9f7b6f91e5be32a02ae78094df402e7",
190 );
191
192 write_test!(
193 sha256,
194 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
195 "2661920f2409dd6c8adeb0c44972959f232b6429afa913845d0fd95e7e768234",
196 "5c5e904f5d4fd587c7a906bf846e08a927286f388c54c39213a4884695271bbc",
197 );
198
199 write_test!(
200 sha256d,
201 "56944c5d3f98413ef45cf54545538103cc9f298e0575820ad3591376e2e0f65d",
202 "374000d830c75d10d9417e493a7652920f30efbd300e3fb092f24c28c20baf64",
203 "0050d4148ad7a0437ca0643fad5bf4614cd95d9ba21fde52370b37dcc3f03307",
204 );
205
206 write_test!(
207 sha384,
208 "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
209 "82135637ef6d6dd31a20e2bc9998681a3eecaf8f8c76d45e545214de38439d9a533848ec75f53e4b1a8805709c5124d0",
210 "fb7511d9a98c5686f9c2f55e242397815c9229d8759451e1710b8da6861e08d52f0357176f4b74f8cad9e23ab65411c7",
211 );
212
213 write_test!(
214 sha512,
215 "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce\
216 47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
217 "57ecf739d3a7ca647639adae80a05f4f361304bfcbfa1ceba93296b096e74287\
218 45fc10c142cecdd3bb587a3dba598c072f6f78b31cc0a06a3da0105ee51f75d6",
219 "dd28f78c53f3bc9bd0c2dca9642a1ad402a70412f985c1f6e54fadb98ce9c458\
220 4761df8d04ed04bb734ba48dd2106bb9ea54524f1394cdd18e6da3166e71c3ee",
221 );
222
223 write_test!(
224 sha512_256,
225 "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
226 "8d4bb96e7956cf5f08bf5c45f7982630c46b0b022f25cbaf722ae97c06a6e7a2",
227 "3367646f3e264653f7dd664ac2cb6d3b96329e86ffb7a29a1082e2a4ddc9ee7a",
228 );
229
230 write_test!(
231 ripemd160,
232 "9c1185a5c5e9fc54612808977ee8f548b2258d31",
233 "e571a1ca5b780aa52bafdb9ec852544ffca418ba",
234 "ddd2ecce739e823629c7d46ab18918e9c4a51c75",
235 );
236
237 write_test!(
238 hash160,
239 "b472a266d0bd89c13706a4132ccfb16f7c3b9fcb",
240 "671356a1a874695ad3bc20cae440f4360835bd5a",
241 "a9608c952c8dbcc20c53803d2ca5ad31d64d9313",
242 );
243
244 #[test]
245 fn hmac() {
246 let mut engine = hmac::HmacEngine::<sha256::HashEngine>::new(&[0xde, 0xad, 0xbe, 0xef]);
247 engine.write_all(&[]).unwrap();
248 assert_eq!(
249 format!("{}", engine.finalize()),
250 "bf5515149cf797955c4d3194cca42472883281951697c8375d9d9b107f384225"
251 );
252
253 let mut engine = hmac::HmacEngine::<sha256::HashEngine>::new(&[0xde, 0xad, 0xbe, 0xef]);
254 engine.write_all(&[1; 256]).unwrap();
255 assert_eq!(
256 format!("{}", engine.finalize()),
257 "59c9aca10c81c73cb4c196d94db741b6bf2050e0153d5a45f2526bff34675ac5"
258 );
259
260 let mut engine = hmac::HmacEngine::<sha256::HashEngine>::new(&[0xde, 0xad, 0xbe, 0xef]);
261 engine.write_all(&[99; 64000]).unwrap();
262 assert_eq!(
263 format!("{}", engine.finalize()),
264 "30df499717415a395379a1eaabe50038036e4abb5afc94aa55c952f4aa57be08"
265 );
266 }
267
268 #[test]
269 fn siphash24() {
270 let mut engine = siphash24::HashEngine::with_keys(0, 0);
271 engine.write_all(&[]).unwrap();
272 assert_eq!(format!("{}", siphash24::Hash::from_engine(engine)), "d70077739d4b921e");
273
274 let mut engine = siphash24::HashEngine::with_keys(0, 0);
275 engine.write_all(&[1; 256]).unwrap();
276 assert_eq!(format!("{}", siphash24::Hash::from_engine(engine)), "3a3ccefde9b5b1e3");
277
278 let mut engine = siphash24::HashEngine::with_keys(0, 0);
279 engine.write_all(&[99; 64000]).unwrap();
280 assert_eq!(format!("{}", siphash24::Hash::from_engine(engine)), "ce456e4e4ecbc5bf");
281 }
282
283 const DATA: &str = "arbitrary data to hash as a regression test";
285 const HMAC_KEY: &[u8] = b"some key";
286
287 macro_rules! impl_hash_reader_test {
288 ($($test_name:ident, $module:ident, $want:literal);* $(;)?) => {
289 $(
290 #[test]
291 fn $test_name() {
292 let hash = $module::Hash::hash(DATA.as_bytes());
293 let got = format!("{}", hash);
294 assert_eq!(got, $want);
295
296 let mut reader = Cursor::new(DATA);
297 let hash_from_reader = $crate::hash_reader::<$module::HashEngine>(&mut reader).unwrap();
298 assert_eq!(hash_from_reader, hash)
299 }
300 )*
301 }
302 }
303
304 impl_hash_reader_test! {
305 hash_from_reader_hash160, hash160, "a17909f6d5373b0085c4180ba207126e5040f74d";
306 hash_from_reader_ripemd160, ripemd160, "e6801701c77a1cd85662335258c7869631b4a9a8";
307 hash_from_reader_sha1, sha1, "e1e81eeabadafa3d5d41cc3f405385426b0f47fd";
308 hash_from_reader_sha256, sha256, "d291c6c5a07fa1d9315cdae090ebe14169fbe0a219cd55a48d0d2104eab6ec51";
309 hash_from_reader_sha256d, sha256d, "93a743b022290bde3233a619b21aaebe06c5cf5cc959464c41be35711e37731b";
310 hash_from_reader_sha384, sha384, "f545bd83d297978d47a7f26b858a54188499dfb4d7d570a6a2362c765031d57a29d7e002df5e34d184e70b65a4f47153";
311 hash_from_reader_sha512, sha512, "057d0a37e9e0ac9a93acde0752748da059a27bcf946c7af00692ac1a95db8d21f965f40af22efc4710f100f8d3e43f79f77b1f48e1e400a95b7344b7bc0dfd10";
312 hash_from_reader_sha512_256, sha512_256, "e204244c429b5bca037a2a8a6e7ed8a42b808ceaff182560840bb8c5c8e9a2ec";
313 }
314
315 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Default, Hash)]
316 pub struct RegHashTag; impl sha256t::Tag for RegHashTag {
319 const MIDSTATE: sha256::Midstate = sha256::Midstate::new([0xab; 32], 64);
320 }
321
322 type RegHash = sha256t::Hash<RegHashTag>;
323
324 #[test]
325 fn regression_sha256t() {
326 let hash = RegHash::hash(DATA.as_bytes());
327 let got = format!("{}", hash);
328 let want = "17db326d7c13867376ccca1f8a211377be3cbeaeb372f167822284866ddf14ca";
329 assert_eq!(got, want);
330 }
331
332 #[test]
333 fn regression_hmac_sha256_with_key() {
334 let mut engine = HmacEngine::<sha256::HashEngine>::new(HMAC_KEY);
335 engine.input(DATA.as_bytes());
336 let hash = engine.finalize();
337
338 let got = format!("{}", hash);
339 let want = "d159cecaf4adf90b6a641bab767e4817d3a51c414acea3682686c35ec0b37b52";
340 assert_eq!(got, want);
341 }
342
343 #[test]
344 fn regression_hmac_sha512_with_key() {
345 let mut engine = HmacEngine::<sha512::HashEngine>::new(HMAC_KEY);
346 engine.input(DATA.as_bytes());
347 let hash = engine.finalize();
348
349 let got = format!("{}", hash);
350 let want = "8511773748f89ba22c07fb3a2981a12c1823695119de41f4a62aead6b848bd34939acf16475c35ed7956114fead3e794cc162ecd35e447a4dabc3227d55f757b";
351 assert_eq!(got, want);
352 }
353
354 #[test]
355 fn regression_siphash24_with_key() {
356 let mut engine = siphash24::HashEngine::with_keys(0, 0);
357 engine.input(DATA.as_bytes());
358 let hash = siphash24::Hash::from_engine(engine);
359
360 let got = format!("{}", hash);
361 let want = "e823ed82311d601a";
362 assert_eq!(got, want);
363 }
364}