--- /dev/null
+--- Cryptographical library.
+module "nixio.crypto"
+
+--- Create a hash object.
+-- @class function
+-- @name nixio.crypto.hash
+-- @param algo Algorithm ["sha1", "md5"]
+-- @return CryptoHash Object
+
+--- Create a HMAC object.
+-- @class function
+-- @name nixio.crypto.hmac
+-- @param algo Algorithm ["sha1", "md5"]
+-- @param key HMAC-Key
+-- @return CryptoHash Object
\ No newline at end of file