3 files changed, 5 insertions, 0 deletions

diff --git a/src/Crypto/Tox.hs b/src/Crypto/Tox.hs
index 9b7e82c0..acb98e3e 100644
--- a/src/Crypto/Tox.hs
+++ b/src/Crypto/Tox.hs
@@ -515,6 +515,9 @@ newSecretsCache = atomically (SecretsCache <$> newTVar MM.empty)
 
 newtype SymmetricKey = SymmetricKey ByteString
 
+instance Show SymmetricKey where
+    show (SymmetricKey bs) = bin2base64 bs
+
 data TransportCrypto = TransportCrypto
     { transportSecret :: SecretKey
     , transportPublic :: PublicKey
diff --git a/src/Network/Tox/Crypto/Handlers.hs b/src/Network/Tox/Crypto/Handlers.hs
index 2902685c..5a52450b 100644
--- a/src/Network/Tox/Crypto/Handlers.hs
+++ b/src/Network/Tox/Crypto/Handlers.hs
@@ -545,6 +545,7 @@ cryptoNetHandler sessions addr (NetHandshake (Handshake (Cookie n24 ecookie) non
     seckeys <- map fst <$> atomically (readTVar (userKeys crypto))
     symkey <- atomically $ transportSymmetric crypto
     now <- getPOSIXTime
+    hPutStrLn stderr ("Decrypt cookie with n24=" ++ show n24 ++ "\n    symkey= " ++ show symkey)
     lr <- fmap join . sequence $ do -- Either Monad
             -- TODO: XXX: FIXME:
             --            The following call to decryptSymmetric is failing every time,
diff --git a/src/Network/Tox/DHT/Handlers.hs b/src/Network/Tox/DHT/Handlers.hs
index 327659a9..42937b89 100644
--- a/src/Network/Tox/DHT/Handlers.hs
+++ b/src/Network/Tox/DHT/Handlers.hs
@@ -231,6 +231,7 @@ createCookie crypto ni remoteUserKey = do
             , dhtKey      = transportPublic crypto
             }
         edta = encryptSymmetric sym n24 dta
+    hPutStrLn stderr $ "Created cookie with n24 = 0x" ++ show n24 ++ "\n    sym=" ++ show sym
     return $ Cookie n24 edta
 
 cookieRequestH :: TransportCrypto -> NodeInfo -> CookieRequest -> IO Cookie