--- 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