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// 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 <http://www.gnu.org/licenses/>.

use crate::json;

#[derive(Debug, PartialEq, Clone)]
pub struct Aes128Ctr {
    pub iv: [u8; 16],
}

#[derive(Debug, PartialEq, Clone)]
pub enum Cipher {
    Aes128Ctr(Aes128Ctr),
}

impl From<json::Aes128Ctr> for Aes128Ctr {
    fn from(json: json::Aes128Ctr) -> Self { Aes128Ctr { iv: json.iv.into() } }
}

impl Into<json::Aes128Ctr> for Aes128Ctr {
    fn into(self) -> json::Aes128Ctr {
        json::Aes128Ctr {
            iv: From::from(self.iv),
        }
    }
}

impl From<json::Cipher> for Cipher {
    fn from(json: json::Cipher) -> Self {
        match json {
            json::Cipher::Aes128Ctr(params) => {
                Cipher::Aes128Ctr(From::from(params))
            }
        }
    }
}

impl Into<json::Cipher> for Cipher {
    fn into(self) -> json::Cipher {
        match self {
            Cipher::Aes128Ctr(params) => json::Cipher::Aes128Ctr(params.into()),
        }
    }
}