diff --git a/Crypto/OpenSSL/AES.hs b/Crypto/OpenSSL/AES.hs
--- a/Crypto/OpenSSL/AES.hs
+++ b/Crypto/OpenSSL/AES.hs
@@ -4,6 +4,12 @@
 -- Stability   : experimental
 -- Portability : Unix
 --
+-- Small Ad-Hoc bindings to AES-GCM encryption and decryption function.
+--
+-- Doesn't support incremental mode yet.
+--
+-- TODO: full fledge AES bindings (CBC, CTR, GCM...), with incremental processing.
+--
 module Crypto.OpenSSL.AES
     ( isSupportedGCM
     , encryptGCM
@@ -27,6 +33,7 @@
 
 data Direction = DirectionEncrypt | DirectionDecrypt
 
+-- | Get whether the OpenSSL version linked supports GCM mode (at least 1.0.x and above)
 isSupportedGCM :: Bool
 isSupportedGCM = doIO $ do
     cipher <- ssl_c_aes_256_gcm
@@ -49,7 +56,11 @@
 {-# NOINLINE withGCM #-}
 
 -- | One shot function to GCM data without any incremental handling
-encryptGCM :: ByteString -> ByteString -> ByteString -> ByteString -> ByteString
+encryptGCM :: ByteString -- ^ Key
+           -> ByteString -- ^ IV
+           -> ByteString -- ^ Header (Authenticated input, will be not be copied to output)
+           -> ByteString -- ^ Plaintext to encrypt
+           -> ByteString -- ^ Encrypted input including the authentication tag (but not the header)
 encryptGCM key iv header input = withGCM DirectionEncrypt key iv $ \ctx -> do
     -- consume the header as authenticated data
     when (headerLength > 0) $ do
@@ -71,7 +82,11 @@
 {-# NOINLINE encryptGCM #-}
 
 -- | One shot function to decrypt GCM data without any incremental handling
-decryptGCM :: ByteString -> ByteString -> ByteString -> ByteString -> Maybe ByteString
+decryptGCM :: ByteString -- ^ Key
+           -> ByteString -- ^ IV
+           -> ByteString -- ^ Header (Authenticated input)
+           -> ByteString -- ^ Encrypted data
+           -> Maybe ByteString -- ^ Decrypted data if authentication successful
 decryptGCM key iv header input
     | inputLength < gcmTagLength = Nothing
     | otherwise                  = withGCM DirectionDecrypt key iv $ \ctx -> do
diff --git a/Crypto/OpenSSL/ECC.hs b/Crypto/OpenSSL/ECC.hs
--- a/Crypto/OpenSSL/ECC.hs
+++ b/Crypto/OpenSSL/ECC.hs
@@ -30,6 +30,7 @@
     , ecPointIsOnCurve
     , ecPointEq
     -- * EcPoint serialization
+    , PointConversionForm(..)
     , ecPointToOct
     , ecPointFromOct
     , ecPointFromJProjectiveGFp
diff --git a/cryptonite-openssl.cabal b/cryptonite-openssl.cabal
--- a/cryptonite-openssl.cabal
+++ b/cryptonite-openssl.cabal
@@ -1,5 +1,5 @@
 Name:                cryptonite-openssl
-Version:             0.1
+Version:             0.2
 Synopsis:            Crypto stuff using OpenSSL cryptographic library
 Description:         cryptography
 License:             BSD3
@@ -38,11 +38,9 @@
     extra-libraries: eay32, ssl32
   else
     if os(osx)
-      extra-libraries: crypto
-      extra-lib-dirs: /usr/local/lib
-      include-dirs: /usr/local/include
-    else
-      extra-libraries: crypto
+      include-dirs: /usr/local/opt/openssl/include
+      extra-lib-dirs: /usr/local/opt/openssl/lib
+    extra-libraries: crypto
   cpp-options:       -DUSE_OPENSSL
 
 Test-Suite test-cryptonite-openssl