Bugfix a memory leak.

src/keys.c

@@ -260,6 +260,8 @@ KEY_Fini(void)
 				CHECK_OBJ(key, KEY_MAGIC);
 				AN(key->key);
 				KEY_Wipe(key->key);
+				AN(key->id);
+				free(key->id);
 				nxt_k = VRBT_NEXT(key_tree, tree_h, key);
 				VRBT_REMOVE(key_tree, tree_h, key);
 				FREE_OBJ(key);
@@ -324,6 +326,10 @@ key_find(struct key_tree *tree_h, uint8_t *id, uint8_t idlen)
 	keycmp.idlen = idlen;
 	key = VRBT_FIND(key_tree, tree_h, &keycmp);
 	CHECK_OBJ_ORNULL(key, KEY_MAGIC);
+	if (key != NULL) {
+		AN(key->key);
+		AN(key->id);
+	}
 	return (key);
 }
 
@@ -390,6 +396,7 @@ KEY_Set(VRT_CTX, uint8_t *id, uint8_t idlen, const uint8_t *key)
 		VRBT_INSERT(key_tree, tree_h, k);
 	}
 	CHECK_OBJ_NOTNULL(k, KEY_MAGIC);
+	AN(k->key);
 	memcpy(k->key, key, AES128_KEYLEN);
 
 	KEY_Unlock(idlen);