/* * Copyright (c) 2020 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #import <Foundation/Foundation.h> #import "keychain/ckks/CKKSKey.h" #if OCTAGON NS_ASSUME_NONNULL_BEGIN // // Usage Note: // // This object transparently caches CKKSKey objects, with their key material // intact. Since those keys are loaded from the database, they remain // valid while you're in the database transaction where you loaded them. // To preverve this property, this cache must be destroyed before the end // of the database transaction in which it is created. // @interface CKKSMemoryKeyCache : NSObject // An instance of a CKKSItemEncrypter also contains a cache of (loaded and ready) CKKSKeys // Use these to access the cache - (instancetype)init; - (CKKSKey* _Nullable)loadKeyForUUID:(NSString*)keyUUID zoneID:(CKRecordZoneID*)zoneID error:(NSError**)error; - (CKKSKey* _Nullable)currentKeyForClass:(CKKSKeyClass*)keyclass zoneID:(CKRecordZoneID*)zoneID error:(NSError *__autoreleasing*)error; @end NS_ASSUME_NONNULL_END #endif