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
use crate::AlgorithmIdentifier;
use core::convert::TryFrom;
use der::{
asn1::{Any, BitString},
Decodable, Encodable, Error, Message, Result,
};
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct SubjectPublicKeyInfo<'a> {
pub algorithm: AlgorithmIdentifier<'a>,
pub subject_public_key: &'a [u8],
}
impl<'a> TryFrom<&'a [u8]> for SubjectPublicKeyInfo<'a> {
type Error = Error;
fn try_from(bytes: &'a [u8]) -> Result<Self> {
Self::from_der(bytes)
}
}
impl<'a> TryFrom<Any<'a>> for SubjectPublicKeyInfo<'a> {
type Error = Error;
fn try_from(any: Any<'a>) -> Result<SubjectPublicKeyInfo<'a>> {
any.sequence(|decoder| {
Ok(Self {
algorithm: decoder.decode()?,
subject_public_key: decoder.bit_string()?.as_bytes(),
})
})
}
}
impl<'a> Message<'a> for SubjectPublicKeyInfo<'a> {
fn fields<F, T>(&self, f: F) -> Result<T>
where
F: FnOnce(&[&dyn Encodable]) -> Result<T>,
{
f(&[&self.algorithm, &BitString::new(self.subject_public_key)?])
}
}