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43 lines
1.3 KiB
Objective-C
43 lines
1.3 KiB
Objective-C
/*
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* XADWinZipAESHandle.h
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*
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* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#import "CSStreamHandle.h"
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#import "Crypto/aes.h"
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#import "Crypto/hmac_sha1.h"
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@interface XADWinZipAESHandle:CSStreamHandle
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{
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NSData *password;
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int keybytes;
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off_t startoffs;
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aes_encrypt_ctx aes;
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uint8_t counter[16],aesbuffer[16];
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HMAC_SHA1_CTX hmac;
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BOOL hmac_done,hmac_correct;
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}
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-(id)initWithHandle:(CSHandle *)handle length:(off_t)length password:(NSData *)passdata keyLength:(int)keylength;
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-(void)dealloc;
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-(void)resetStream;
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-(int)streamAtMost:(int)num toBuffer:(void *)buffer;
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@end
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