keychain/ckks/CKKSItemEncrypter.h

   1 /*
   2  * Copyright (c) 2016 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef CKKSItemEncrypter_h
  25 #define CKKSItemEncrypter_h
  26
  27 #include <securityd/SecDbItem.h>
  28
  29 #if OCTAGON
  30
  31 @class CKKSItem;
  32 @class CKKSMirrorEntry;
  33 @class CKKSKey;
  34 @class CKKSOutgoingQueueEntry;
  35 @class CKKSAESSIVKey;
  36 @class CKRecordZoneID;
  37
  38 #define CKKS_PADDING_MARK_BYTE 0x80
  39
  40 @interface CKKSItemEncrypter : NSObject {
  41
  42 }
  43
  44 +(CKKSItem*)encryptCKKSItem:(CKKSItem*)baseitem
  45              dataDictionary:(NSDictionary *)dict
  46            updatingCKKSItem:(CKKSItem*)olditem
  47                   parentkey:(CKKSKey *)parentkey
  48                       error:(NSError * __autoreleasing *) error;
  49
  50 + (NSDictionary*) decryptItemToDictionary: (CKKSItem*) item error: (NSError * __autoreleasing *) error;
  51
  52 + (NSData*) encryptDictionary: (NSDictionary*) dict key:  (CKKSAESSIVKey*) key authenticatedData: (NSDictionary<NSString*, NSData*>*) ad  error: (NSError * __autoreleasing *) error;
  53 + (NSDictionary*) decryptDictionary: (NSData*) encitem key: (CKKSAESSIVKey*) key authenticatedData: (NSDictionary<NSString*, NSData*>*) ad  error: (NSError * __autoreleasing *) error;
  54
  55 + (NSData *)padData:(NSData *)input blockSize:(NSUInteger)blockSize additionalBlock:(BOOL)extra;
  56 + (NSData *)removePaddingFromData:(NSData *)input;
  57 @end
  58
  59 #endif // OCTAGON
  60
  61 #endif /* CKKSItemEncrypter_h */
  62