diff --git a/src/enacl.erl b/src/enacl.erl
index 563d603..76e834c 100644
--- a/src/enacl.erl
+++ b/src/enacl.erl
@@ -108,19 +108,18 @@
 
 %% Password Hashing - Argon2 Algorithm
 -export([
-	 pwhash/2,
-	 pwhash_str/1,
-	 pwhash_str_verify/2
+         pwhash/2,
+         pwhash_str/1,
+         pwhash_str_verify/2
 ]).
 
 %% Generic hash functions
 -export([
-	 generichash/3,
-	 generichash/2,
-
-	 generichash_init/2,
-	 generichash_update/2,
-	 generichash_final/1
+         generichash/3,
+         generichash/2,
+         generichash_init/2,
+         generichash_update/2,
+         generichash_final/1
 ]).
 
 %% Libsodium specific functions (which are also part of the "undocumented" interface to NaCl
@@ -198,12 +197,12 @@ verify() ->
          {crypto_kx_SESSIONKEYBYTES, ?CRYPTO_KX_SESSIONKEYBYTES},
          {crypto_kx_PUBLICKEYBYTES, ?CRYPTO_KX_PUBLICKEYBYTES},
          {crypto_kx_SECRETKEYBYTES, ?CRYPTO_KX_SECRETKEYBYTES},
-	 {crypto_generichash_BYTES, ?CRYPTO_GENERICHASH_BYTES},
-	 {crypto_generichash_BYTES_MIN, ?CRYPTO_GENERICHASH_BYTES_MIN},
-	 {crypto_generichash_BYTES_MAX, ?CRYPTO_GENERICHASH_BYTES_MAX},
-	 {crypto_generichash_KEYBYTES, ?CRYPTO_GENERICHASH_KEYBYTES},
-	 {crypto_generichash_KEYBYTES_MIN, ?CRYPTO_GENERICHASH_KEYBYTES_MIN},
-	 {crypto_generichash_KEYBYTES_MAX, ?CRYPTO_GENERICHASH_KEYBYTES_MAX}
+         {crypto_generichash_BYTES, ?CRYPTO_GENERICHASH_BYTES},
+         {crypto_generichash_BYTES_MIN, ?CRYPTO_GENERICHASH_BYTES_MIN},
+         {crypto_generichash_BYTES_MAX, ?CRYPTO_GENERICHASH_BYTES_MAX},
+         {crypto_generichash_KEYBYTES, ?CRYPTO_GENERICHASH_KEYBYTES},
+         {crypto_generichash_KEYBYTES_MIN, ?CRYPTO_GENERICHASH_KEYBYTES_MIN},
+         {crypto_generichash_KEYBYTES_MAX, ?CRYPTO_GENERICHASH_KEYBYTES_MAX}
     ],
     run_verifiers(Verifiers).
 
@@ -280,7 +279,7 @@ unsafe_memzero(_) ->
     error(badarg).
 
 
-%% @doc generichash/3 creates a hash of the message using a key. 
+%% @doc generichash/3 creates a hash of the message using a key.
 %%
 %% This function generates a hash of the message using a key. The hash size is
 %% either 16, 32 or 64 bytes
diff --git a/src/enacl_ext.erl b/src/enacl_ext.erl
index 6b3fad0..7f203c2 100644
--- a/src/enacl_ext.erl
+++ b/src/enacl_ext.erl
@@ -40,19 +40,19 @@ scramble_block_16(Block, Key) ->
 %% @end
 -spec curve25519_keypair() -> #{ atom() => binary() }.
 curve25519_keypair() ->
-	<<B0:8/integer, B1:30/binary, B2:8/integer>> = enacl:randombytes(32),
-	SK = <<(B0 band 248), B1/binary, (64 bor (B2 band 127))>>,
-	PK = curve25519_public_key(SK),
-	#{ public => PK, secret => SK }.
+    <<B0:8/integer, B1:30/binary, B2:8/integer>> = enacl:randombytes(32),
+    SK = <<(B0 band 248), B1/binary, (64 bor (B2 band 127))>>,
+    PK = curve25519_public_key(SK),
+    #{ public => PK, secret => SK }.
 
 %% @doc curve25519_public_key/1 creates a public key from a given SecretKey.
 %% @end
 -spec curve25519_public_key(SecretKey :: binary()) -> binary().
 curve25519_public_key(SecretKey) ->
-	enacl:curve25519_scalarmult(SecretKey, <<9, 0:248>>).
+    enacl:curve25519_scalarmult(SecretKey, <<9, 0:248>>).
 
 %% @doc curve25519_shared/2 creates a new shared secret from a given SecretKey and PublicKey.
 %% @end.
 -spec curve25519_shared(SecretKey :: binary(), PublicKey :: binary()) -> binary().
 curve25519_shared(SecretKey, PublicKey) ->
-	enacl:curve25519_scalarmult(SecretKey, PublicKey).
+    enacl:curve25519_scalarmult(SecretKey, PublicKey).
diff --git a/src/enacl_nif.erl b/src/enacl_nif.erl
index 44196ba..2b0f85b 100644
--- a/src/enacl_nif.erl
+++ b/src/enacl_nif.erl
@@ -124,25 +124,24 @@
 
 %% Password Hashing - Argon2 Algorithm
 -export([
-	 crypto_pwhash/2,
-	 crypto_pwhash_str/1,
-	 crypto_pwhash_str_verify/2
-]).
+         crypto_pwhash/2,
+         crypto_pwhash_str/1,
+         crypto_pwhash_str_verify/2
+        ]).
 
 %% Generic hash
 -export([
-	 crypto_generichash_BYTES/0,
-	 crypto_generichash_BYTES_MIN/0,
-	 crypto_generichash_BYTES_MAX/0,
-	 crypto_generichash_KEYBYTES/0,
-	 crypto_generichash_KEYBYTES_MIN/0,
-	 crypto_generichash_KEYBYTES_MAX/0,
-
-	 crypto_generichash/3,
-	 crypto_generichash_init/2,
-	 crypto_generichash_update/3,
-	 crypto_generichash_final/2
-]).
+         crypto_generichash_BYTES/0,
+         crypto_generichash_BYTES_MIN/0,
+         crypto_generichash_BYTES_MAX/0,
+         crypto_generichash_KEYBYTES/0,
+         crypto_generichash_KEYBYTES_MIN/0,
+         crypto_generichash_KEYBYTES_MAX/0,
+         crypto_generichash/3,
+         crypto_generichash_init/2,
+         crypto_generichash_update/3,
+         crypto_generichash_final/2
+        ]).
 
 %% Access to the RNG
 -export([
@@ -165,8 +164,8 @@ init() ->
                         code:which(?MODULE))), "priv");
               D -> D
           end,
-	SoName = filename:join(Dir, atom_to_list(?MODULE)),
-	erlang:load_nif(SoName, 0).
+    SoName = filename:join(Dir, atom_to_list(?MODULE)),
+    erlang:load_nif(SoName, 0).
 
 crypto_generichash_BYTES() -> erlang:nif_error(nif_not_loaded).
 crypto_generichash_BYTES_MIN() -> erlang:nif_error(nif_not_loaded).
@@ -180,8 +179,6 @@ crypto_generichash(_HashSize, _Message, _Key) -> erlang:nif_error(nif_not_loaded
 crypto_generichash_init(_HashSize, _Key) ->  erlang:nif_error(nif_not_loaded).
 crypto_generichash_update(_HashSize, _HashState, _Message) ->  erlang:nif_error(nif_not_loaded).
 crypto_generichash_final(_HashSize, _HashState) ->  erlang:nif_error(nif_not_loaded).
-    
-    
 
 crypto_pwhash(_Password, _Salt) -> erlang:nif_error(nif_not_loaded).
 crypto_pwhash_str(_Password) -> erlang:nif_error(nif_not_loaded).