diff --git a/core/src/api.rs b/core/src/api.rs
index 58583a67..b0484540 100644
--- a/core/src/api.rs
+++ b/core/src/api.rs
@@ -3,6 +3,7 @@ use std::collections::HashMap;
 use std::error::Error;
 use std::fmt;
 use util::maybe_utf8;
+use events::Key;
 
 #[derive(PartialEq)]
 pub enum APIEvent {
@@ -119,7 +120,7 @@ pub enum APIAction {
     // from WormholeCore out through IO glue to application
     GotWelcome(HashMap<String, String>), // actually anything JSON-able: Value
     GotCode(String), // must be easy to canonically encode into UTF-8 bytes
-    GotUnverifiedKey(Vec<u8>),
+    GotUnverifiedKey(Key),
     GotVerifier(Vec<u8>),
     GotVersions(HashMap<String, String>), // actually anything JSON-able
     GotMessage(Vec<u8>),
diff --git a/core/src/boss.rs b/core/src/boss.rs
index 8fa3c2c8..f90a9444 100644
--- a/core/src/boss.rs
+++ b/core/src/boss.rs
@@ -88,7 +88,7 @@ impl BossMachine {
         use events::BossEvent::*;
         match event {
             GotCode(code) => self.got_code(&code),
-            GotKey(key) => events![APIAction::GotUnverifiedKey(key.to_vec())],
+            GotKey(key) => events![APIAction::GotUnverifiedKey(key.clone())],
             Happy => self.happy(),
             GotVerifier(verifier) => events![APIAction::GotVerifier(verifier)],
             GotMessage(phase, plaintext) => self.got_message(&phase, plaintext),