diff options
author | Justus Winter <justus@sequoia-pgp.org> | 2023-03-06 19:32:55 +0100 |
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committer | Justus Winter <justus@sequoia-pgp.org> | 2023-03-06 19:32:55 +0100 |
commit | f5a7570907f96abce918b5f0d723673773139b7b (patch) | |
tree | 46cd77cf1398cd9cd79e6c03d7e5d39a7d25d88c /openpgp/src/cert | |
parent | 3d2b1e3ae7f555b027113767938bbe5663df74a0 (diff) |
openpgp: Dedup ComponentBundle::binding_signature.
Diffstat (limited to 'openpgp/src/cert')
-rw-r--r-- | openpgp/src/cert/bundle.rs | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/openpgp/src/cert/bundle.rs b/openpgp/src/cert/bundle.rs index 182b4afd..f8b27245 100644 --- a/openpgp/src/cert/bundle.rs +++ b/openpgp/src/cert/bundle.rs @@ -239,6 +239,17 @@ impl<C> ComponentBundle<C> { { let t = t.into().unwrap_or_else(crate::now); + /// Finds the active binding signature. + /// + /// This function does not depend on the type of `C`, but it + /// is unfortunately monomorphized for every `C`. Prevent + /// this by moving the code to a function independent of `C`. + fn find_binding_signature<'s>(policy: &dyn Policy, + self_signatures: &'s [Signature], + hash_algo_security: HashAlgoSecurity, + t: time::SystemTime) + -> Result<&'s Signature> + { // Recall: the signatures are sorted by their creation time in // descending order, i.e., newest first. // @@ -248,12 +259,12 @@ impl<C> ComponentBundle<C> { let i = // Usually, the first signature is what we are looking for. // Short circuit the binary search. - if Some(t) >= self.self_signatures.get(0) + if Some(t) >= self_signatures.get(0) .and_then(|s| s.signature_creation_time()) { 0 } else { - match self.self_signatures.binary_search_by( + match self_signatures.binary_search_by( |s| canonical_signature_order( s.signature_creation_time(), Some(t))) { @@ -267,7 +278,7 @@ impl<C> ComponentBundle<C> { // return index 1, 2, 3 or 4. Ok(mut i) => { while i > 0 - && self.self_signatures[i - 1].signature_creation_time() + && self_signatures[i - 1].signature_creation_time() == Some(t) { i -= 1; @@ -296,7 +307,7 @@ impl<C> ComponentBundle<C> { // `t`. let mut error = None; - 'next_sig: for s in self.self_signatures[i..].iter() { + 'next_sig: for s in self_signatures[i..].iter() { if let Err(e) = s.signature_alive(t, time::Duration::new(0, 0)) { // We know that t >= signature's creation time. So, // it is expired. But an older signature might not @@ -307,7 +318,7 @@ impl<C> ComponentBundle<C> { continue; } - if let Err(e) = policy.signature(s, self.hash_algo_security) + if let Err(e) = policy.signature(s, hash_algo_security) { if error.is_none() { error = Some(e); @@ -336,7 +347,7 @@ impl<C> ComponentBundle<C> { } if let Err(e) = policy - .signature(backsig, self.hash_algo_security) + .signature(backsig, hash_algo_security) { if error.is_none() { error = Some(e); @@ -376,6 +387,10 @@ impl<C> ComponentBundle<C> { } else { Err(Error::NoBindingSignature(t).into()) } + } + + find_binding_signature(policy, &self.self_signatures, + self.hash_algo_security, t) } /// Returns the component's self-signatures. |