stack_test_progpow_cpu/
keccak.rs

1// Copyright 2015-2019 Parity Technologies (UK) Ltd.
2// This file is part of Parity Ethereum.
3
4// Parity Ethereum is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Parity Ethereum is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Parity Ethereum.  If not, see <http://www.gnu.org/licenses/>.
16
17extern crate keccak_hash as hash;
18
19pub type H256 = [u8; 32];
20
21pub mod keccak_512 {
22	use super::hash;
23
24	pub use self::hash::keccak_512_unchecked as unchecked;
25
26	pub fn write(input: &[u8], output: &mut [u8]) {
27		hash::keccak_512(input, output);
28	}
29
30	pub fn inplace(input: &mut [u8]) {
31		// This is safe since `keccak_*` uses an internal buffer and copies the result to the output. This
32		// means that we can reuse the input buffer for both input and output.
33		unsafe {
34			hash::keccak_512_unchecked(
35				input.as_mut_ptr(),
36				input.len(),
37				input.as_ptr(),
38				input.len(),
39			);
40		}
41	}
42}
43
44pub mod keccak_256 {
45	use super::hash;
46
47	pub use self::hash::keccak_256_unchecked as unchecked;
48
49	#[allow(dead_code)]
50	pub fn write(input: &[u8], output: &mut [u8]) {
51		hash::keccak_256(input, output);
52	}
53
54	pub fn inplace(input: &mut [u8]) {
55		// This is safe since `keccak_*` uses an internal buffer and copies the result to the output. This
56		// means that we can reuse the input buffer for both input and output.
57		unsafe {
58			hash::keccak_256_unchecked(
59				input.as_mut_ptr(),
60				input.len(),
61				input.as_ptr(),
62				input.len(),
63			);
64		}
65	}
66}
stack_test_progpow_cpu/keccak.rs

stack_test_progpow_cpu/
keccak.rs
