113 lines
2.9 KiB
Rust
113 lines
2.9 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
|
|
// This file is part of OpenEthereum.
|
|
|
|
// OpenEthereum 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.
|
|
|
|
// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use super::{Error, H128};
|
|
use serde::{
|
|
de::{Error as SerdeError, Visitor},
|
|
Deserialize, Deserializer, Serialize, Serializer,
|
|
};
|
|
use std::fmt;
|
|
|
|
#[derive(Debug, PartialEq)]
|
|
pub enum CipherSer {
|
|
Aes128Ctr,
|
|
}
|
|
|
|
impl Serialize for CipherSer {
|
|
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
|
|
where
|
|
S: Serializer,
|
|
{
|
|
match *self {
|
|
CipherSer::Aes128Ctr => serializer.serialize_str("aes-128-ctr"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> Deserialize<'a> for CipherSer {
|
|
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
|
|
where
|
|
D: Deserializer<'a>,
|
|
{
|
|
deserializer.deserialize_any(CipherSerVisitor)
|
|
}
|
|
}
|
|
|
|
struct CipherSerVisitor;
|
|
|
|
impl<'a> Visitor<'a> for CipherSerVisitor {
|
|
type Value = CipherSer;
|
|
|
|
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
|
|
write!(formatter, "a valid cipher identifier")
|
|
}
|
|
|
|
fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
|
|
where
|
|
E: SerdeError,
|
|
{
|
|
match value {
|
|
"aes-128-ctr" => Ok(CipherSer::Aes128Ctr),
|
|
_ => Err(SerdeError::custom(Error::UnsupportedCipher)),
|
|
}
|
|
}
|
|
|
|
fn visit_string<E>(self, value: String) -> Result<Self::Value, E>
|
|
where
|
|
E: SerdeError,
|
|
{
|
|
self.visit_str(value.as_ref())
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
pub struct Aes128Ctr {
|
|
pub iv: H128,
|
|
}
|
|
|
|
#[derive(Debug, PartialEq)]
|
|
pub enum CipherSerParams {
|
|
Aes128Ctr(Aes128Ctr),
|
|
}
|
|
|
|
impl Serialize for CipherSerParams {
|
|
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
|
|
where
|
|
S: Serializer,
|
|
{
|
|
match *self {
|
|
CipherSerParams::Aes128Ctr(ref params) => params.serialize(serializer),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> Deserialize<'a> for CipherSerParams {
|
|
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
|
|
where
|
|
D: Deserializer<'a>,
|
|
{
|
|
Aes128Ctr::deserialize(deserializer)
|
|
.map(CipherSerParams::Aes128Ctr)
|
|
.map_err(|_| Error::InvalidCipherParams)
|
|
.map_err(SerdeError::custom)
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, PartialEq)]
|
|
pub enum Cipher {
|
|
Aes128Ctr(Aes128Ctr),
|
|
}
|