;; Copyright (c) 2013-2015 Andrey Antukh <niwi@niwi.be>
;;
;; Licensed under the Apache License, Version 2.0 (the "License")
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;;     http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.

(ns buddy.core.mac.proto
  "Hash-based Message Authentication Codes
  low level protocol definition.")

(defprotocol IMac
  (^:private update [_ bytes offset length] "Update bytes in a current instance.")
  (^:private end [_] "Return the computed mac and reset the engine."))

(defn update!
  ([engine input]
   (update engine input 0 (count input)))
  ([engine input offset]
   (update engine input offset (count input)))
  ([engine input offset length]
   (update engine input offset length)))

(defn end!
  [engine]
  (end engine))


Add generic mac engine abstraction for low level but clojure idiomatic access to mac.
Add generic mac engine abstraction for low level but clojure idiomatic access to mac.

funcool/buddy-core,funcool/buddy-core