46 lines
1.5 KiB
Rust
46 lines
1.5 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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use super::{Generator, KeyPair, SECP256K1};
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use rand::os::OsRng;
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/// Randomly generates new keypair, instantiating the RNG each time.
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pub struct Random;
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impl Generator for Random {
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type Error = ::std::io::Error;
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fn generate(&mut self) -> Result<KeyPair, Self::Error> {
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let mut rng = OsRng::new()?;
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match rng.generate() {
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Ok(pair) => Ok(pair),
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Err(void) => match void {}, // LLVM unreachable
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}
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}
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}
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impl Generator for OsRng {
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type Error = ::Void;
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fn generate(&mut self) -> Result<KeyPair, Self::Error> {
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let (sec, publ) = SECP256K1
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.generate_keypair(self)
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.expect("context always created with full capabilities; qed");
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Ok(KeyPair::from_keypair(sec, publ))
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}
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}
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