7c335e8764
* misc: bump license header to 2019 * misc: remove_duplicate_empty_lines.sh * misc: run license header script * commit cargo lock
45 lines
1.4 KiB
Rust
45 lines
1.4 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
|
|
// This file is part of Parity Ethereum.
|
|
|
|
// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use rand::os::OsRng;
|
|
use super::{Generator, KeyPair, SECP256K1};
|
|
|
|
/// Randomly generates new keypair, instantiating the RNG each time.
|
|
pub struct Random;
|
|
|
|
impl Generator for Random {
|
|
type Error = ::std::io::Error;
|
|
|
|
fn generate(&mut self) -> Result<KeyPair, Self::Error> {
|
|
let mut rng = OsRng::new()?;
|
|
match rng.generate() {
|
|
Ok(pair) => Ok(pair),
|
|
Err(void) => match void {}, // LLVM unreachable
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Generator for OsRng {
|
|
type Error = ::Void;
|
|
|
|
fn generate(&mut self) -> Result<KeyPair, Self::Error> {
|
|
let (sec, publ) = SECP256K1.generate_keypair(self)
|
|
.expect("context always created with full capabilities; qed");
|
|
|
|
Ok(KeyPair::from_keypair(sec, publ))
|
|
}
|
|
}
|