1 //! PEM decoding and encoding tests.
2
3 #![cfg(all(feature = "derive", feature = "oid", feature = "pem"))]
4
5 use der::{
6 asn1::{BitString, ObjectIdentifier},
7 pem::{LineEnding, PemLabel},
8 Decode, DecodePem, EncodePem, Sequence,
9 };
10
11 /// Example SPKI document encoded as DER.
12 const SPKI_DER: &[u8] = include_bytes!("examples/spki.der");
13
14 /// Example SPKI document encoded as PEM.
15 const SPKI_PEM: &str = include_str!("examples/spki.pem");
16
17 /// X.509 `AlgorithmIdentifier`
18 #[derive(Copy, Clone, Debug, Eq, PartialEq, Sequence)]
19 pub struct AlgorithmIdentifier {
20 pub algorithm: ObjectIdentifier,
21 // pub parameters: ... (not used in spki.pem)
22 }
23
24 /// X.509 `SubjectPublicKeyInfo` (SPKI) in borrowed form
25 #[derive(Copy, Clone, Debug, Eq, PartialEq, Sequence)]
26 pub struct SpkiBorrowed<'a> {
27 pub algorithm: AlgorithmIdentifier,
28 #[asn1(type = "BIT STRING")]
29 pub subject_public_key: &'a [u8],
30 }
31
32 impl PemLabel for SpkiBorrowed<'_> {
33 const PEM_LABEL: &'static str = "PUBLIC KEY";
34 }
35
36 /// X.509 `SubjectPublicKeyInfo` (SPKI) in owned form
37 #[derive(Clone, Debug, Eq, PartialEq, Sequence)]
38 pub struct SpkiOwned {
39 pub algorithm: AlgorithmIdentifier,
40 pub subject_public_key: BitString,
41 }
42
43 impl PemLabel for SpkiOwned {
44 const PEM_LABEL: &'static str = "PUBLIC KEY";
45 }
46
47 #[test]
from_pem()48 fn from_pem() {
49 // Decode PEM to owned form.
50 let pem_spki = SpkiOwned::from_pem(SPKI_PEM).unwrap();
51
52 // Decode DER to borrowed form.
53 let der_spki = SpkiBorrowed::from_der(SPKI_DER).unwrap();
54
55 assert_eq!(pem_spki.algorithm, der_spki.algorithm);
56 assert_eq!(
57 pem_spki.subject_public_key.raw_bytes(),
58 der_spki.subject_public_key
59 );
60 }
61
62 #[test]
to_pem()63 fn to_pem() {
64 let spki = SpkiBorrowed::from_der(SPKI_DER).unwrap();
65 let pem = spki.to_pem(LineEnding::LF).unwrap();
66 assert_eq!(&pem, SPKI_PEM);
67 }
68