diff --git a/src/crypto.rs b/src/crypto.rs
index 0949eb8..5781c69 100644
--- a/src/crypto.rs
+++ b/src/crypto.rs
@@ -35,7 +35,7 @@ const crypto_pwhash_scryptsalsa208sha256_OPSLIMIT_INTERACTIVE: usize = 524288;
 #[allow(non_upper_case_globals)]
 const crypto_pwhash_scryptsalsa208sha256_MEMLIMIT_INTERACTIVE: usize = 16777216;
 
-struct Aes256State(*mut [u8; crypto_aead_aes256gcm_STATEBYTES]);
+pub struct Aes256State(*mut [u8; crypto_aead_aes256gcm_STATEBYTES]);
 
 impl Aes256State {
     fn new() -> Aes256State {
diff --git a/src/main.rs b/src/main.rs
index 6ad7fc3..4313c9d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,7 +31,7 @@ use std::process::Command;
 use device::Device;
 use ethernet::SwitchTable;
 use ip::RoutingTable;
-use types::{Error, Mode, Type, Range, Table, Protocol};
+use types::{Mode, Type, Range, Table, Protocol};
 use cloud::GenericCloud;
 use udpmessage::VERSION;
 use crypto::{Crypto, CryptoMethod};