85 lines
1.8 KiB
Rust
85 lines
1.8 KiB
Rust
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// Copyright 2015, 2016 Ethcore (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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//! SecretStore
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//! module for managing key files, decrypting and encrypting arbitrary data
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use common::*;
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enum CryptoCipherType {
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// aes-128-ctr with 128-bit initialisation vector(iv)
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Aes128Ctr(U128)
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}
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enum KeyFileKdf {
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Pbkdf2(KdfPbkdf2Params),
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Scrypt(KdfScryptParams)
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}
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struct KeyFileCrypto {
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cipher: CryptoCipherType,
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Kdf: KeyFileKdf,
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}
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enum KeyFileVersion {
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V1, V2, V3
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}
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enum Pbkdf2CryptoFunction {
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HMacSha256
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}
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#[allow(non_snake_case)]
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// Kdf of type `Pbkdf2`
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// https://en.wikipedia.org/wiki/PBKDF2
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struct KdfPbkdf2Params {
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// desired length of the derived key, in octets
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dkLen: u32,
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// cryptographic salt
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salt: H256,
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// number of iterations for derived key
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c: u32,
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// pseudo-random 2-parameters function
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prf: Pbkdf2CryptoFunction
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}
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#[allow(non_snake_case)]
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// Kdf of type `Scrypt`
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// https://en.wikipedia.org/wiki/Scrypt
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struct KdfScryptParams {
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// desired length of the derived key, in octets
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dkLen: u32,
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// parallelization
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p: u32,
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// cpu cost
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n: u32,
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// TODO: comment
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r: u32,
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}
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type Uuid = String;
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enum Kdf {
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Pbkdf2(KdfPbkdf2Params),
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Scrypt(KdfScryptParams)
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}
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struct KeyFileContent {
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version: KeyFileVersion,
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crypto: KeyFileCrypto,
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id: Uuid
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}
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