XADMaster/XADRC4Handle.h
2018-03-21 14:24:50 +02:00

57 lines
1.4 KiB
Objective-C

/*
* XADRC4Handle.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 <Foundation/Foundation.h>
#import "CSStreamHandle.h"
@class XADRC4Engine;
@interface XADRC4Handle:CSStreamHandle
{
off_t startoffs;
NSData *key;
XADRC4Engine *rc4;
}
-(id)initWithHandle:(CSHandle *)handle key:(NSData *)keydata;
-(void)dealloc;
-(void)resetStream;
-(int)streamAtMost:(int)num toBuffer:(void *)buffer;
@end
@interface XADRC4Engine:NSObject
{
uint8_t s[256];
int i,j;
}
+(XADRC4Engine *)engineWithKey:(NSData *)key;
-(id)initWithKey:(NSData *)key;
-(NSData *)encryptedData:(NSData *)data;
-(void)encryptBytes:(unsigned char *)bytes length:(int)length;
-(void)skipBytes:(int)length;
@end