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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
use super::*;
use crate::options::Options;
use crate::AlgorithmType;
use std::convert::TryFrom;
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum KeyPairEncoding {
Raw,
Pkcs8,
Pem,
Local,
}
#[derive(Clone)]
pub enum KeyPair {
Signature(SignatureKeyPair),
KeyExchange(KxKeyPair),
}
impl KeyPair {
pub(crate) fn into_signature_keypair(self) -> Result<SignatureKeyPair, CryptoError> {
match self {
KeyPair::Signature(kp) => Ok(kp),
_ => bail!(CryptoError::InvalidHandle),
}
}
pub(crate) fn into_kx_keypair(self) -> Result<KxKeyPair, CryptoError> {
match self {
KeyPair::KeyExchange(kp) => Ok(kp),
_ => bail!(CryptoError::InvalidHandle),
}
}
pub fn export(&self, encoding: KeyPairEncoding) -> Result<Vec<u8>, CryptoError> {
match self {
KeyPair::Signature(key_pair) => key_pair.export(encoding),
KeyPair::KeyExchange(key_pair) => key_pair.export(encoding),
}
}
pub fn generate(
alg_type: AlgorithmType,
alg_str: &str,
options: Option<Options>,
) -> Result<KeyPair, CryptoError> {
match alg_type {
AlgorithmType::Signatures => {
let options = match options {
None => None,
Some(options) => Some(options.into_signatures()?),
};
Ok(KeyPair::Signature(SignatureKeyPair::generate(
SignatureAlgorithm::try_from(alg_str)?,
options,
)?))
}
AlgorithmType::KeyExchange => {
let options = match options {
None => None,
Some(options) => Some(options.into_key_exchange()?),
};
Ok(KeyPair::KeyExchange(KxKeyPair::generate(
KxAlgorithm::try_from(alg_str)?,
options,
)?))
}
_ => bail!(CryptoError::InvalidOperation),
}
}
pub fn import(
alg_type: AlgorithmType,
alg_str: &str,
encoded: &[u8],
encoding: KeyPairEncoding,
) -> Result<KeyPair, CryptoError> {
match alg_type {
AlgorithmType::Signatures => Ok(KeyPair::Signature(SignatureKeyPair::import(
SignatureAlgorithm::try_from(alg_str)?,
encoded,
encoding,
)?)),
_ => bail!(CryptoError::InvalidOperation),
}
}
pub fn from_pk_and_sk(_pk: PublicKey, _sk: SecretKey) -> Result<KeyPair, CryptoError> {
match (_pk, _sk) {
(PublicKey::Signature(pk), SecretKey::Signature(sk)) => {
ensure!(pk.alg() == sk.alg(), CryptoError::IncompatibleKeys);
}
(PublicKey::KeyExchange(pk), SecretKey::KeyExchange(sk)) => {
ensure!(pk.alg() == sk.alg(), CryptoError::IncompatibleKeys);
}
_ => bail!(CryptoError::IncompatibleKeys),
}
bail!(CryptoError::NotImplemented);
}
pub fn public_key(&self) -> Result<PublicKey, CryptoError> {
match self {
KeyPair::Signature(key_pair) => Ok(PublicKey::Signature(key_pair.public_key()?)),
KeyPair::KeyExchange(key_pair) => Ok(PublicKey::KeyExchange(key_pair.public_key()?)),
}
}
pub fn secret_key(&self) -> Result<SecretKey, CryptoError> {
match self {
KeyPair::Signature(key_pair) => Ok(SecretKey::Signature(key_pair.secret_key()?)),
KeyPair::KeyExchange(key_pair) => Ok(SecretKey::KeyExchange(key_pair.secret_key()?)),
}
}
}
impl CryptoCtx {
pub fn keypair_generate(
&self,
alg_type: AlgorithmType,
alg_str: &str,
options_handle: Option<Handle>,
) -> Result<Handle, CryptoError> {
let options = match options_handle {
None => None,
Some(options_handle) => Some(self.handles.options.get(options_handle)?),
};
let kp = KeyPair::generate(alg_type, alg_str, options)?;
let handle = self.handles.keypair.register(kp)?;
Ok(handle)
}
pub fn keypair_import(
&self,
alg_type: AlgorithmType,
alg_str: &str,
encoded: &[u8],
encoding: KeyPairEncoding,
) -> Result<Handle, CryptoError> {
let kp = KeyPair::import(alg_type, alg_str, encoded, encoding)?;
let handle = self.handles.keypair.register(kp)?;
Ok(handle)
}
pub fn keypair_id(&self, kp_handle: Handle) -> Result<(Vec<u8>, Version), CryptoError> {
let _kp = self.handles.keypair.get(kp_handle)?;
bail!(CryptoError::UnsupportedFeature)
}
pub fn keypair_from_pk_and_sk(
&self,
pk_handle: Handle,
sk_handle: Handle,
) -> Result<Handle, CryptoError> {
let pk = self.handles.publickey.get(pk_handle)?;
let sk = self.handles.secretkey.get(sk_handle)?;
let kp = KeyPair::from_pk_and_sk(pk, sk)?;
let handle = self.handles.keypair.register(kp)?;
Ok(handle)
}
pub fn keypair_export(
&self,
kp_handle: Handle,
encoding: KeyPairEncoding,
) -> Result<Handle, CryptoError> {
let kp = self.handles.keypair.get(kp_handle)?;
let encoded = kp.export(encoding)?;
let array_output_handle = ArrayOutput::register(&self.handles, encoded)?;
Ok(array_output_handle)
}
pub fn keypair_publickey(&self, kp_handle: Handle) -> Result<Handle, CryptoError> {
let kp = self.handles.keypair.get(kp_handle)?;
let pk = kp.public_key()?;
let handle = self.handles.publickey.register(pk)?;
Ok(handle)
}
pub fn keypair_secretkey(&self, kp_handle: Handle) -> Result<Handle, CryptoError> {
let kp = self.handles.keypair.get(kp_handle)?;
let pk = kp.secret_key()?;
let handle = self.handles.secretkey.register(pk)?;
Ok(handle)
}
pub fn keypair_close(&self, kp_handle: Handle) -> Result<(), CryptoError> {
self.handles.keypair.close(kp_handle)
}
}