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https://github.com/samsonjs/arq_restore.git
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66 lines
2.7 KiB
Objective-C
66 lines
2.7 KiB
Objective-C
/*
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Copyright (c) 2009-2011, Stefan Reitshamer http://www.haystacksoftware.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
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their contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import <Cocoa/Cocoa.h>
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#include <openssl/evp.h>
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#import "InputStream.h"
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@class CryptoKey;
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typedef int (*CryptInitFunc)(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char *key, unsigned char *iv);
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typedef int (*CryptUpdateFunc)(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl, unsigned char *in, int inl);
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typedef int (*CryptFinalFunc)(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
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@interface CryptInputStream : NSObject <InputStream> {
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CryptInitFunc cryptInit;
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CryptUpdateFunc cryptUpdate;
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CryptFinalFunc cryptFinal;
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id <InputStream> is;
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NSString *label;
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unsigned char *inBuf;
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NSUInteger inBufSize;
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unsigned char *outBuf;
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NSInteger outBufLen;
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NSUInteger outBufSize;
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NSUInteger outBufPos;
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EVP_CIPHER_CTX cipherContext;
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size_t blockSize;
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BOOL initialized;
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BOOL finalized;
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}
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- (id)initWithCryptInitFunc:(void *)theCryptInit
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cryptUpdateFunc:(void *)theCryptUpdate
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cryptFinalFunc:(void *)theCryptFinal
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inputStream:(id <InputStream>)theIS
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cryptoKey:(CryptoKey *)theCryptoKey
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label:(NSString *)theLabel
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error:(NSError **)error;
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@end
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