openpgp: Fix typo.

  - This only went unnoticed because we only hash and write the
    digest, and don't invoke the encrypt method (which would have
    panic'ed).  No functional change.

1 files changed, 1 insertions, 1 deletions

diff --git a/openpgp/src/crypto/aead.rs b/openpgp/src/crypto/aead.rs
index 5162d351..10941b17 100644
--- a/openpgp/src/crypto/aead.rs
+++ b/openpgp/src/crypto/aead.rs
@@ -735,7 +735,7 @@ impl<W: io::Write> Encryptor<W> {
             }
 
             // Write final digest.
-            let mut aead = self.make_aead(CipherOp::Decrypt)?;
+            let mut aead = self.make_aead(CipherOp::Encrypt)?;
             self.hash_associated_data(&mut aead, true);
             aead.digest(&mut self.scratch[..self.digest_size]);
             inner.write_all(&self.scratch[..self.digest_size])?;