CKKSItemEncrypter.h   [plain text]

/*
 * Copyright (c) 2016 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
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 *
 * @APPLE_LICENSE_HEADER_END@
 */

#ifndef CKKSItemEncrypter_h
#define CKKSItemEncrypter_h

#include <securityd/SecDbItem.h>

#if OCTAGON

@class CKKSItem;
@class CKKSMirrorEntry;
@class CKKSKey;
@class CKKSOutgoingQueueEntry;
@class CKKSAESSIVKey;
@class CKRecordZoneID;

#define CKKS_PADDING_MARK_BYTE 0x80

@interface CKKSItemEncrypter : NSObject {

}

+(CKKSItem*)encryptCKKSItem:(CKKSItem*)baseitem
             dataDictionary:(NSDictionary *)dict
           updatingCKKSItem:(CKKSItem*)olditem
                  parentkey:(CKKSKey *)parentkey
                      error:(NSError * __autoreleasing *) error;

+ (NSDictionary*) decryptItemToDictionary: (CKKSItem*) item error: (NSError * __autoreleasing *) error;

+ (NSData*) encryptDictionary: (NSDictionary*) dict key:  (CKKSAESSIVKey*) key authenticatedData: (NSDictionary<NSString*, NSData*>*) ad  error: (NSError * __autoreleasing *) error;
+ (NSDictionary*) decryptDictionary: (NSData*) encitem key: (CKKSAESSIVKey*) key authenticatedData: (NSDictionary<NSString*, NSData*>*) ad  error: (NSError * __autoreleasing *) error;

+ (NSData *)padData:(NSData *)input blockSize:(NSUInteger)blockSize additionalBlock:(BOOL)extra;
+ (NSData *)removePaddingFromData:(NSData *)input;
@end

#endif // OCTAGON

#endif /* CKKSItemEncrypter_h */