tor_keymgr/keystore/arti/
certs.rs

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1//! Helpers for parsing certificates.
2
3use std::path::PathBuf;
4
5use tor_error::internal;
6use tor_key_forge::{CertType, ParsedEd25519Cert};
7
8use crate::keystore::arti::err::ArtiNativeKeystoreError;
9use crate::{ErasedKey, Result};
10
11/// An unparsed key certificate.
12pub(super) struct UnparsedCert {
13    /// The contents of the cert file.
14    inner: Vec<u8>,
15    /// The path of the file (for error reporting).
16    path: PathBuf,
17}
18
19impl UnparsedCert {
20    /// Create a new [`UnparsedCert`].
21    pub(super) fn new(inner: Vec<u8>, path: PathBuf) -> Self {
22        Self { inner, path }
23    }
24
25    /// Parse a key certificate, converting the key material into a known type,
26    /// and return the type-erased value.
27    ///
28    /// The caller is expected to downcast the value returned to a concrete type.
29    pub(super) fn parse_certificate_erased(self, cert_type: &CertType) -> Result<ErasedKey> {
30        match cert_type {
31            CertType::Ed25519TorCert => {
32                let cert = ParsedEd25519Cert::decode(self.inner).map_err(|e| {
33                    ArtiNativeKeystoreError::CertParse {
34                        path: self.path,
35                        cert_type: cert_type.clone(),
36                        err: e.clone(),
37                    }
38                })?;
39
40                Ok(Box::new(cert))
41            }
42            _ => Err(
43                ArtiNativeKeystoreError::Bug(internal!("Unknown cert type {cert_type:?}")).into(),
44            ),
45        }
46    }
47}
tor_keymgr/keystore/arti/certs.rs

tor_keymgr/keystore/arti/
certs.rs
