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sp_application_crypto/
ed25519.rs

1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// 	http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18//! Ed25519 crypto types.
19
20use crate::{KeyTypeId, RuntimePublic};
21
22use alloc::vec::Vec;
23
24pub use sp_core::ed25519::*;
25use sp_core::proof_of_possession::NonAggregatable;
26
27mod app {
28	crate::app_crypto!(super, sp_core::testing::ED25519);
29}
30
31pub use app::{Pair as AppPair, Public as AppPublic, Signature as AppSignature};
32
33impl RuntimePublic for Public {
34	type Signature = Signature;
35
36	fn all(key_type: KeyTypeId) -> crate::Vec<Self> {
37		sp_io::crypto::ed25519_public_keys(key_type)
38	}
39
40	fn generate_pair(key_type: KeyTypeId, seed: Option<Vec<u8>>) -> Self {
41		sp_io::crypto::ed25519_generate(key_type, seed)
42	}
43
44	fn sign<M: AsRef<[u8]>>(&self, key_type: KeyTypeId, msg: &M) -> Option<Self::Signature> {
45		sp_io::crypto::ed25519_sign(key_type, self, msg.as_ref())
46	}
47
48	fn verify<M: AsRef<[u8]>>(&self, msg: &M, signature: &Self::Signature) -> bool {
49		sp_io::crypto::ed25519_verify(signature, msg.as_ref(), self)
50	}
51
52	fn generate_proof_of_possession(&mut self, key_type: KeyTypeId) -> Option<Self::Signature> {
53		let proof_of_possession_statement = Pair::proof_of_possession_statement(self);
54		sp_io::crypto::ed25519_sign(key_type, self, &proof_of_possession_statement)
55	}
56
57	fn verify_proof_of_possession(&self, proof_of_possession: &Self::Signature) -> bool {
58		let proof_of_possession_statement = Pair::proof_of_possession_statement(self);
59		sp_io::crypto::ed25519_verify(&proof_of_possession, &proof_of_possession_statement, &self)
60	}
61
62	fn to_raw_vec(&self) -> Vec<u8> {
63		sp_core::crypto::ByteArray::to_raw_vec(self)
64	}
65}