fddbc9e5cb
* ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem
76 lines
2.1 KiB
Rust
76 lines
2.1 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
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use std::fmt;
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#[derive(Debug)]
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/// Crypto error
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pub enum Error {
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/// Invalid secret key
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InvalidSecret,
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/// Invalid public key
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InvalidPublic,
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/// Invalid address
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InvalidAddress,
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/// Invalid EC signature
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InvalidSignature,
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/// Invalid AES message
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InvalidMessage,
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/// IO Error
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Io(::std::io::Error),
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/// Custom
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Custom(String),
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let msg = match *self {
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Error::InvalidSecret => "Invalid secret".into(),
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Error::InvalidPublic => "Invalid public".into(),
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Error::InvalidAddress => "Invalid address".into(),
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Error::InvalidSignature => "Invalid EC signature".into(),
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Error::InvalidMessage => "Invalid AES message".into(),
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Error::Io(ref err) => format!("I/O error: {}", err),
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Error::Custom(ref s) => s.clone(),
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};
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f.write_fmt(format_args!("Crypto error ({})", msg))
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}
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}
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impl Into<String> for Error {
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fn into(self) -> String {
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format!("{}", self)
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}
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}
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impl From<::secp256k1::Error> for Error {
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fn from(e: ::secp256k1::Error) -> Error {
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match e {
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::secp256k1::Error::InvalidMessage => Error::InvalidMessage,
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::secp256k1::Error::InvalidPublicKey => Error::InvalidPublic,
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::secp256k1::Error::InvalidSecretKey => Error::InvalidSecret,
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_ => Error::InvalidSignature,
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}
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}
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}
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impl From<::std::io::Error> for Error {
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fn from(err: ::std::io::Error) -> Error {
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Error::Io(err)
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}
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}
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