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
24use sp_core::proof_of_possession::NonAggregatable;
25pub use sp_core::{
26	crypto::{CryptoBytes, SignatureBytes},
27	ed25519::*,
28};
29
30mod app {
31	crate::app_crypto!(super, sp_core::testing::ED25519);
32}
33
34pub use app::{
35	Pair as AppPair, ProofOfPossession as AppProofOfPossession, Public as AppPublic,
36	Signature as AppSignature,
37};
38
39impl RuntimePublic for Public {
40	type Signature = Signature;
41	type ProofOfPossession = Signature;
42
43	fn all(key_type: KeyTypeId) -> crate::Vec<Self> {
44		sp_io::crypto::ed25519_public_keys(key_type)
45	}
46
47	fn generate_pair(key_type: KeyTypeId, seed: Option<Vec<u8>>) -> Self {
48		sp_io::crypto::ed25519_generate(key_type, seed)
49	}
50
51	fn sign<M: AsRef<[u8]>>(&self, key_type: KeyTypeId, msg: &M) -> Option<Self::Signature> {
52		sp_io::crypto::ed25519_sign(key_type, self, msg.as_ref())
53	}
54
55	fn verify<M: AsRef<[u8]>>(&self, msg: &M, signature: &Self::Signature) -> bool {
56		sp_io::crypto::ed25519_verify(signature, msg.as_ref(), self)
57	}
58
59	fn generate_proof_of_possession(
60		&mut self,
61		key_type: KeyTypeId,
62		owner: &[u8],
63	) -> Option<Self::ProofOfPossession> {
64		let proof_of_possession_statement = Pair::proof_of_possession_statement(owner);
65		sp_io::crypto::ed25519_sign(key_type, self, &proof_of_possession_statement)
66	}
67
68	fn verify_proof_of_possession(
69		&self,
70		owner: &[u8],
71		proof_of_possession: &Self::ProofOfPossession,
72	) -> bool {
73		let proof_of_possession_statement = Pair::proof_of_possession_statement(owner);
74		sp_io::crypto::ed25519_verify(&proof_of_possession, &proof_of_possession_statement, &self)
75	}
76
77	fn to_raw_vec(&self) -> Vec<u8> {
78		sp_core::crypto::ByteArray::to_raw_vec(self)
79	}
80}
sp_application_crypto/ed25519.rs

sp_application_crypto/
ed25519.rs
