57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
// Copyright 2015-2018 Parity Technologies (UK) Ltd.
|
|
// This file is part of Parity.
|
|
|
|
// Parity is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// Parity is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
extern crate keccak_hash as hash;
|
|
|
|
pub type H256 = [u8; 32];
|
|
|
|
pub mod keccak_512 {
|
|
use super::hash;
|
|
|
|
pub use self::hash::keccak_512_unchecked as unchecked;
|
|
|
|
pub fn write(input: &[u8], output: &mut [u8]) {
|
|
hash::keccak_512(input, output);
|
|
}
|
|
|
|
pub fn inplace(input: &mut [u8]) {
|
|
// This is safe since `keccak_*` uses an internal buffer and copies the result to the output. This
|
|
// means that we can reuse the input buffer for both input and output.
|
|
unsafe {
|
|
hash::keccak_512_unchecked(input.as_mut_ptr(), input.len(), input.as_ptr(), input.len());
|
|
}
|
|
}
|
|
}
|
|
|
|
pub mod keccak_256 {
|
|
use super::hash;
|
|
|
|
pub use self::hash::keccak_256_unchecked as unchecked;
|
|
|
|
#[allow(dead_code)]
|
|
pub fn write(input: &[u8], output: &mut [u8]) {
|
|
hash::keccak_256(input, output);
|
|
}
|
|
|
|
pub fn inplace(input: &mut [u8]) {
|
|
// This is safe since `keccak_*` uses an internal buffer and copies the result to the output. This
|
|
// means that we can reuse the input buffer for both input and output.
|
|
unsafe {
|
|
hash::keccak_256_unchecked(input.as_mut_ptr(), input.len(), input.as_ptr(), input.len());
|
|
}
|
|
}
|
|
}
|