34 lines
1.1 KiB
Rust
34 lines
1.1 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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use tiny_keccak::Keccak;
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pub trait Keccak256<T> {
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fn keccak256(&self) -> T
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where
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T: Sized;
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}
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impl Keccak256<[u8; 32]> for [u8] {
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fn keccak256(&self) -> [u8; 32] {
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let mut keccak = Keccak::new_keccak256();
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let mut result = [0u8; 32];
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keccak.update(self);
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keccak.finalize(&mut result);
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result
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}
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}
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