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// Copyright 2017-2018 int08h LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//!
//! Representations and management of Roughtime's online and long-term Ed25519 keys
//!
extern crate hex;
extern crate log;
extern crate ring;
extern crate std;
mod longterm;
mod online;
use std::fmt::Display;
use std::fmt::Formatter;
use std::str::FromStr;
pub use self::longterm::LongTermKey;
pub use self::online::OnlineKey;
/// Methods for protecting the server's long-term identity
#[derive(Debug, PartialEq, Eq, PartialOrd, Hash, Clone)]
pub enum KeyProtection {
/// No protection, seed is in plaintext
Plaintext,
/// Envelope encryption of the seed using AWS Key Management Service
AwsKmsEnvelope(String),
/// Envelope encryption of the seed using Google Cloud Key Management Service
GoogleKmsEnvelope(String),
}
impl Display for KeyProtection {
fn fmt(&self, f: &mut Formatter) -> Result<(), std::fmt::Error> {
match self {
KeyProtection::Plaintext => write!(f, "Plaintext"),
KeyProtection::AwsKmsEnvelope(key_id) => write!(f, "AwsKms({})", key_id),
KeyProtection::GoogleKmsEnvelope(key_id) => write!(f, "GoogleKms({})", key_id),
}
}
}
impl FromStr for KeyProtection {
type Err = ();
fn from_str(s: &str) -> Result<KeyProtection, ()> {
match s {
"plaintext" => Ok(KeyProtection::Plaintext),
s if s.starts_with("arn:") => Ok(KeyProtection::AwsKmsEnvelope(s.to_string())),
s if s.starts_with("projects/") => Ok(KeyProtection::GoogleKmsEnvelope(s.to_string())),
_ => Err(()),
}
}
}
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