XADMaster/XAD7ZipAESHandle.h
2018-03-21 14:24:50 +02:00

44 lines
1.4 KiB
Objective-C

/*
* XAD7ZipAESHandle.h
*
* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#import "CSBlockStreamHandle.h"
#import "Crypto/aes.h"
@interface XAD7ZipAESHandle:CSBlockStreamHandle
{
off_t startoffs;
aes_decrypt_ctx aes;
uint8_t iv[16],block[16],buffer[65536];
}
+(int)logRoundsForPropertyData:(NSData *)propertydata;
+(NSData *)saltForPropertyData:(NSData *)propertydata;
+(NSData *)IVForPropertyData:(NSData *)propertydata;
+(NSData *)keyForPassword:(NSString *)password salt:(NSData *)salt logRounds:(int)logrounds;
-(id)initWithHandle:(CSHandle *)handle length:(off_t)length key:(NSData *)keydata IV:(NSData *)ivdata;
-(void)resetBlockStream;
-(int)produceBlockAtOffset:(off_t)pos;
@end