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satellitex
ab9ff537cd
* fix keccak hasher * Update hasher.rs Co-authored-by: Gavin Wood <i@gavwood.com>
59 lines
1.5 KiB
Rust
59 lines
1.5 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2018-2020 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Substrate Blake2b Hasher implementation
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pub mod blake2 {
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use hash_db::Hasher;
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use hash256_std_hasher::Hash256StdHasher;
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use crate::hash::H256;
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/// Concrete implementation of Hasher using Blake2b 256-bit hashes
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#[derive(Debug)]
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pub struct Blake2Hasher;
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impl Hasher for Blake2Hasher {
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type Out = H256;
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type StdHasher = Hash256StdHasher;
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const LENGTH: usize = 32;
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fn hash(x: &[u8]) -> Self::Out {
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crate::hashing::blake2_256(x).into()
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}
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}
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}
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pub mod keccak {
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use hash_db::Hasher;
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use hash256_std_hasher::Hash256StdHasher;
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use crate::hash::H256;
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/// Concrete implementation of Hasher using Keccak 256-bit hashes
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#[derive(Debug)]
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pub struct KeccakHasher;
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impl Hasher for KeccakHasher {
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type Out = H256;
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type StdHasher = Hash256StdHasher;
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const LENGTH: usize = 32;
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fn hash(x: &[u8]) -> Self::Out {
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crate::hashing::keccak_256(x).into()
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}
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}
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}
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