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authorPiotr Szarmanski2022-10-22 13:41:29 +0200
committerPiotr Szarmanski2022-10-22 13:41:29 +0200
commit087b4ea280caa05e7213eb2b051782086c96efba (patch)
treed11d141dd7c4c4666e8c4475ed73e506ddb87f44 /src/backend.lisp
parente969fc9c96903d64669cd8d5106815cb4ccdc76d (diff)
Add backend.lisp and file-backend.lisp.
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+;; This file is part of eris-cl.
+;; Copyright (C) 2022 Piotr SzarmaƄski
+
+;; eris-cl is free software: you can redistribute it and/or modify it under the
+;; terms of the GNU Lesser General Public License as published by the Free
+;; Software Foundation, either version 3 of the License, or (at your option) any
+;; later version.
+
+;; eris-cl is distributed in the hope that it will be useful, but WITHOUT ANY
+;; WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+;; A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License along with
+;; eris-cl. If not, see <https://www.gnu.org/licenses/>.
+
+;; This file contains the backend protocol.
+(in-package :eris)
+
+(defclass encoding-backend ()
+ ((output-function :type function)))
+
+(defclass decoding-backend ()
+ ((fetch-function :type function)))
+
+(defgeneric fetch-read-capability (read-capability backend &key &allow-other-keys)
+ (:documentation
+ "Using the BACKEND, return a stream that decodes the provided READ-CAPABILITY
+object."))
+
+(defgeneric store-data (input backend &key secret &allow-other-keys)
+ (:documentation
+ "Using the BACKEND, store the INPUT, which is either a stream or an octet
+vector. An additional 32-byte octet-vector SECRET can be provided in order to
+protect the data from attacks against convergent encryption."))
+