// 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 . 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 { 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 { let (sec, publ) = SECP256K1.generate_keypair(self) .expect("context always created with full capabilities; qed"); Ok(KeyPair::from_keypair(sec, publ)) } }