1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// 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 = String;
fn from_str(s: &str) -> Result<KeyProtection, String> {
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())),
s => Err(format!("unknown KeyProtection '{}'", s)),
}
}
}
#[cfg(test)]
mod test {
use key::KeyProtection;
use std::str::FromStr;
#[test]
fn convert_from_string() {
let arn =
"arn:aws:kms:some-aws-region:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab";
let resource_id =
"projects/key-project/locations/global/keyRings/key-ring/cryptoKeys/my-key";
match KeyProtection::from_str("plaintext") {
Ok(KeyProtection::Plaintext) => (),
e => panic!("unexpected result {:?}", e),
};
match KeyProtection::from_str(arn) {
Ok(KeyProtection::AwsKmsEnvelope(msg)) => assert_eq!(msg, arn),
e => panic!("unexpected result {:?}", e),
}
match KeyProtection::from_str(resource_id) {
Ok(KeyProtection::GoogleKmsEnvelope(msg)) => assert_eq!(msg, resource_id),
e => panic!("unexpected result {:?}", e),
}
match KeyProtection::from_str("frobble") {
Err(msg) => assert!(msg.contains("unknown KeyProtection")),
e => panic!("unexpected result {:?}", e),
}
}
}
|
