openpgp: When sorting sigs, set the computed hash on the clone.

  - This way when the signature fits into two components, the computed
    hash is correctly set for every copy of the signature.

1 files changed, 6 insertions, 2 deletions

diff --git a/openpgp/src/cert.rs b/openpgp/src/cert.rs
index 3c6de2e8..4f2b9eb8 100644
--- a/openpgp/src/cert.rs
+++ b/openpgp/src/cert.rs
@@ -1899,8 +1899,12 @@ impl Cert {
                                    $sig.digest_prefix()[1],
                                    $sig.typ(), $desc);
 
-                                $sig.set_computed_digest(Some(hash));
-                                $sigs.push($sig.clone());
+                                $sigs.push({
+                                    let sig = $sig.clone();
+                                    sig.set_computed_digest(Some(hash));
+                                    sig
+                                });
+
                                 // The cost of missing a revocation
                                 // certificate merely because we put
                                 // it into the wrong place seem to