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// Copyright 2015-2017 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/>. use tiny_keccak::Keccak; pub trait Keccak256<T> { fn keccak256(&self) -> T where T: Sized; } impl Keccak256<[u8; 32]> for [u8] { fn keccak256(&self) -> [u8; 32] { let mut keccak = Keccak::new_keccak256(); let mut result = [0u8; 32]; keccak.update(self); keccak.finalize(&mut result); result } }