fixup! Merge pull request #184 from google/dependabot/cargo/rust/carg…

…o-5c0860a51f

proper naming

rust/src/cli/bin.rs

@@ -122,7 +122,7 @@ fn login(args: &LoginArgs, stdout: &mut dyn io::Write) -> CommandResult {
     if handshake.len() < 33 {
         return Err("handshake too short".into());
     }
-    let _message_tag_suffix = handshake.split_off(33);
+    let message_tag_prefix = handshake.split_off(33);
     let raw_public_key: [u8; 32] = handshake
         .split_off(1)
         .try_into()
@@ -141,9 +141,9 @@ fn login(args: &LoginArgs, stdout: &mut dyn io::Write) -> CommandResult {
     let msg = [parts[1], parts[2]].join("/");
 
     // Check message tag in challenge, if present.
-    let message_tag_prefix_len = _message_tag_suffix.len();
+    let message_tag_prefix_len = message_tag_prefix.len();
     if message_tag_prefix_len > 0
-        && !glome::verify(&ours, &theirs, 0, msg.as_bytes(), &_message_tag_suffix)
+        && !glome::verify(&ours, &theirs, 0, msg.as_bytes(), &message_tag_prefix)
     {
         return Err("unexpected message tag prefix".into());
     }