ObjFW  Check-in [9b2d255a3d]

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				4BFDB4CF168B939A006A4027 /* OFHTTPRequestReply.m */,
				4BB4B54116775FF4002A2DCE /* OFHTTPServer.h */,

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			buildConfigurationList = 1DEB919308733D9F0010E9CD /* Build configuration list for PBXProject "ObjFW" */;
			compatibilityVersion = "Xcode 3.1";
			developmentRegion = English;
			hasScannedForEncodings = 1;
			knownRegions = (
				English,

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				4B3D23991337FC0D00DD29B8 /* OFList.m in Sources */,
				4B3B0799166978780044E634 /* OFMapTable.m in Sources */,

       OFCountedSet.m			\
       OFDataArray.m			\
       OFDataArray+Hashing.m		\
       OFDate.m				\
       OFDictionary.m			\
       OFEnumerator.m			\
       OFFile.m				\
       OFHash.m				\
       OFHTTPClient.m			\
       OFHTTPRequest.m			\
       OFHTTPRequestReply.m		\
       OFHTTPServer.m			\
       OFIntrospection.m		\
       OFList.m				\
       OFMapTable.m			\

	       OFThread.m		\
	       OFThreadPool.m		\
	       OFTLSKey.m

INCLUDES_THREADS = threading.h
INCLUDES := ${SRCS:.m=.h}		\
	    OFCollection.h		\

	    OFJSONRepresentation.h	\
	    OFLocking.h			\
	    OFSerialization.h		\
	    OFTLSSocket.h		\
	    ObjFW.h			\
	    asprintf.h			\
	    autorelease.h		\

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"

/*!
 * @brief A base class for classes providing hash functions.
 */
@interface OFHash: OFObject
{
	BOOL _calculated;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly, getter=isCalculated) BOOL calculated;
#endif

/*!
 * @brief Creates a new hash.
 *

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <stdlib.h>

#import "OFHash.h"

@implementation OFHash
+ (instancetype)hash
{
	return [[[self alloc] init] autorelease];
}

+ (size_t)digestSize
{
	[self doesNotRecognizeSelector: _cmd];
	abort();
}

+ (size_t)blockSize
{
	[self doesNotRecognizeSelector: _cmd];
	abort();
}

- (void)updateWithBuffer: (const void*)buffer
		  length: (size_t)length
{
	[self doesNotRecognizeSelector: _cmd];
	abort();
}

- (uint8_t*)digest
{
	[self doesNotRecognizeSelector: _cmd];
	abort();
}

- (BOOL)isCalculated
{
	return _calculated;
}
@end

#import "OFHash.h"

#define OF_MD5_DIGEST_SIZE 16

/*!
 * @brief A class which provides functions to create an MD5 hash.
 */
@interface OFMD5Hash: OFHash
{
	uint32_t _buffer[4];
	uint32_t _bits[2];
	union {
		uint8_t	u8[64];
		uint32_t u32[16];
	} _in;

}
@end

	return 16;
}

+ (size_t)blockSize
{
	return 64;
}






- init
{
	self = [super init];

	_buffer[0] = 0x67452301;
	_buffer[1] = 0xEFCDAB89;

	md5_transform(_buffer, _in.u32);
	BSWAP32_VEC_IF_BE(_buffer, 4);

	_calculated = YES;

	return (uint8_t*)_buffer;
}





@end

#import "OFHash.h"

#define OF_SHA1_DIGEST_SIZE 20

/*!
 * @brief A class which provides functions to create an SHA1 hash.
 */
@interface OFSHA1Hash: OFHash
{
	uint32_t _state[5];
	uint64_t _count;
	char	 _buffer[64];
	uint8_t	 _digest[OF_SHA1_DIGEST_SIZE];

}
@end

	return 20;
}

+ (size_t)blockSize
{
	return 64;
}






- init
{
	self = [super init];

	_state[0] = 0x67452301;
	_state[1] = 0xEFCDAB89;

		_digest[i] = (char)((_state[i >> 2] >>
		    ((3 - (i & 3)) * 8)) & 255);

	_calculated = YES;

	return _digest;
}





@end

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFException.h"

@class OFHash;

/*!
 * @brief An exception indicating that the hash has already been calculated.
 */
@interface OFHashAlreadyCalculatedException: OFException
{
	OFHash *_hashObject;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly, retain, nonatomic) OFHash *hashObject;
#endif

/*!
 * @brief Creates a new, autoreleased hash already calculated exception.
 *
 * @param class_ The class of the object which caused the exception
 * @param hashObject The hash which has already been calculated
 * @return A new, autoreleased hash already calculated exception
 */
+ (instancetype)exceptionWithClass: (Class)class_
			      hash: (OFHash*)hashObject;

/*!
 * @brief Initializes an already allocated hash already calculated exception.
 *
 * @param class_ The class of the object which caused the exception
 * @param hashObject The hash which has already been calculated
 * @return An initialized hash already calculated exception
 */
- initWithClass: (Class)class_
	   hash: (OFHash*)hashObject;

/*!
 * @brief Returns the hash which has already been calculated.
 *
 * @return The hash which has already been calculated
 */
- (OFHash*)hashObject;
@end

#include "config.h"

#include <stdlib.h>

#import "OFHashAlreadyCalculatedException.h"
#import "OFString.h"
#import "OFHash.h"

#import "common.h"

@implementation OFHashAlreadyCalculatedException
+ (instancetype)exceptionWithClass: (Class)class
			      hash: (OFHash*)hash
{
	return [[[self alloc] initWithClass: class
				       hash: hash] autorelease];
}

- initWithClass: (Class)class
{
	@try {
		[self doesNotRecognizeSelector: _cmd];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	abort();
}

- initWithClass: (Class)class
	   hash: (OFHash*)hashObject
{
	self = [super initWithClass: class];

	_hashObject = [hashObject retain];

	return self;
}

- (OFString*)description
{
	return [OFString stringWithFormat:
	    @"The hash has already been calculated in class %@ and thus no new "
	    @"data can be added", _inClass];
}

- (OFHash*)hashObject
{
	OF_GETTER(_hashObject, NO)
}
@end