97 lines
2.6 KiB
Rust
97 lines
2.6 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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use serde::{Serialize, Serializer, Deserialize, Deserializer};
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use serde::de::{Visitor, Error as SerdeError};
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use super::{Error, H128};
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#[derive(Debug, PartialEq)]
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pub enum CipherSer {
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Aes128Ctr,
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}
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impl Serialize for CipherSer {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where S: Serializer {
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match *self {
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CipherSer::Aes128Ctr => serializer.serialize_str("aes-128-ctr"),
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}
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}
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}
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impl<'a> Deserialize<'a> for CipherSer {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where D: Deserializer<'a> {
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deserializer.deserialize_any(CipherSerVisitor)
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}
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}
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struct CipherSerVisitor;
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impl<'a> Visitor<'a> for CipherSerVisitor {
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type Value = CipherSer;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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write!(formatter, "a valid cipher identifier")
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}
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fn visit_str<E>(self, value: &str) -> Result<Self::Value, E> where E: SerdeError {
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match value {
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"aes-128-ctr" => Ok(CipherSer::Aes128Ctr),
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_ => Err(SerdeError::custom(Error::UnsupportedCipher))
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}
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}
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fn visit_string<E>(self, value: String) -> Result<Self::Value, E> where E: SerdeError {
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self.visit_str(value.as_ref())
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}
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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pub struct Aes128Ctr {
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pub iv: H128,
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}
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#[derive(Debug, PartialEq)]
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pub enum CipherSerParams {
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Aes128Ctr(Aes128Ctr),
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}
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impl Serialize for CipherSerParams {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where S: Serializer {
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match *self {
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CipherSerParams::Aes128Ctr(ref params) => params.serialize(serializer),
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}
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}
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}
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impl<'a> Deserialize<'a> for CipherSerParams {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where D: Deserializer<'a> {
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Aes128Ctr::deserialize(deserializer)
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.map(CipherSerParams::Aes128Ctr)
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.map_err(|_| Error::InvalidCipherParams)
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.map_err(SerdeError::custom)
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}
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}
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#[derive(Debug, PartialEq)]
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pub enum Cipher {
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Aes128Ctr(Aes128Ctr),
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}
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