openethereum/ethkey/src/random.rs

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.

// Parity 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 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.  If not, see <http://www.gnu.org/licenses/>.

use rand::os::OsRng;
use super::{Generator, KeyPair, Error, SECP256K1};

/// Randomly generates new keypair.
pub struct Random;

impl Generator for Random {
	fn generate(self) -> Result<KeyPair, Error> {
		let context = &SECP256K1;
		let mut rng = try!(OsRng::new());
		let (sec, publ) = try!(context.generate_keypair(&mut rng));

		Ok(KeyPair::from_keypair(sec, publ))
	}
}