ObjFW  Check-in [2969086342]

       OFBlock.m			\
       OFCharacterSet.m			\
       OFColor.m			\
       OFConstantString.m		\
       OFCountedSet.m			\
       OFData.m				\
       OFData+ASN1DERParsing.m		\
       OFData+CryptographicHashing.m	\
       OFData+MessagePackParsing.m	\
       OFDate.m				\
       OFDictionary.m			\
       OFEnumerator.m			\
       OFFileManager.m			\
       OFGZIPStream.m			\
       OFHMAC.m				\

       OFSHA384Hash.m			\
       OFSHA384Or512Hash.m		\
       OFSHA512Hash.m			\
       OFSortedList.m			\
       OFStdIOStream.m			\
       OFStream.m			\
       OFString.m			\
       OFString+CryptographicHashing.m	\
       OFString+JSONParsing.m		\
       OFString+PropertyListParsing.m	\
       OFString+Serialization.m		\
       OFString+URLEncoding.m		\
       OFString+XMLEscaping.m		\
       OFString+XMLUnescaping.m		\
       ${OF_SUBUPROCESS_M}		\

		  atomic_osatomic.h		\
		  atomic_powerpc.h		\
		  atomic_sync_builtins.h	\
		  atomic_x86.h
INCLUDES := ${SRCS:.m=.h}			\
	    OFASN1DERRepresentation.h		\
	    OFCollection.h			\
	    OFCryptographicHash.h		\
	    OFJSONRepresentation.h		\
	    OFKernelEventObserver.h		\
	    OFKeyValueCoding.h			\
	    OFLocking.h				\
	    OFMessagePackRepresentation.h	\
	    OFSerialization.h			\
	    OFTLSSocket.h			\

 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

/**
 * @protocol OFCryptographicHash \
 *	     OFCryptographicHash.h ObjFW/OFCryptographicHash.h
 *
 * @brief A protocol for classes providing cryptographic hash functions.
 *
 * A cryptographic hash implementing this protocol can be copied. The entire
 * state is copied, allowing to calculate a new hash from there. This is
 * especially useful for generating many hashes with a common prefix.
 */
@protocol OFCryptographicHash <OFObject, OFCopying>
#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) size_t digestSize;
@property (class, readonly, nonatomic) size_t blockSize;
#endif

/**
 * @brief The digest size of the cryptographic hash, in bytes.

    OF_RETURNS_INNER_POINTER;

/**
 * @brief Creates a new cryptographic hash.
 *
 * @return A new autoreleased cryptographic hash
 */

+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory;

/**
 * @brief Returns the digest size of the cryptographic hash, in bytes.
 *
 * @return The digest size of the cryptographic hash, in bytes
 */
+ (size_t)digestSize;

OF_ASSUME_NONNULL_BEGIN

@class OFString;

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFData_CryptographicHashing_reference;
#ifdef __cplusplus
}
#endif

@interface OFData (CryptographicHashing)
/**
 * @brief The MD5 hash of the data as a string.
 */
@property (readonly, nonatomic) OFString *stringByMD5Hashing;

/**
 * @brief The RIPEMD-160 hash of the data as a string.

 * 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"

#import "OFData+CryptographicHashing.h"
#import "OFString.h"
#import "OFCryptographicHash.h"
#import "OFMD5Hash.h"
#import "OFRIPEMD160Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"
#import "OFSHA256Hash.h"
#import "OFSHA384Hash.h"
#import "OFSHA512Hash.h"

int _OFData_CryptographicHashing_reference;

@implementation OFData (CryptographicHashing)
static OFString *
stringByHashing(Class <OFCryptographicHash> class, OFData *self)
{
	void *pool = objc_autoreleasePoolPush();
	id <OFCryptographicHash> hash =
	    [class hashWithAllowsSwappableMemory: true];
	size_t digestSize = [class digestSize];
	const unsigned char *digest;
	char cString[digestSize * 2];

	[hash updateWithBuffer: self->_items
			length: self->_count * self->_itemSize];
	digest = hash.digest;

	for (size_t i = 0; i < digestSize; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

	return [OFString stringWithCString: cString
				  encoding: OF_STRING_ENCODING_ASCII
				    length: digestSize * 2];
}

- (OFString *)stringByMD5Hashing
{
	return stringByHashing([OFMD5Hash class], self);
}

- (OFString *)stringByRIPEMD160Hashing
{
	return stringByHashing([OFRIPEMD160Hash class], self);
}

- (OFString *)stringBySHA1Hashing
{
	return stringByHashing([OFSHA1Hash class], self);
}

- (OFString *)stringBySHA224Hashing
{
	return stringByHashing([OFSHA224Hash class], self);
}

- (OFString *)stringBySHA256Hashing
{
	return stringByHashing([OFSHA256Hash class], self);
}

- (OFString *)stringBySHA384Hashing
{
	return stringByHashing([OFSHA384Hash class], self);
}

- (OFString *)stringBySHA512Hashing
{
	return stringByHashing([OFSHA512Hash class], self);
}
@end

- (void)writeToURL: (OFURL *)URL;
@end

OF_ASSUME_NONNULL_END

#import "OFMutableData.h"
#import "OFData+ASN1DERParsing.h"
#import "OFData+CryptographicHashing.h"
#import "OFData+MessagePackParsing.h"

#import "base64.h"

/* References for static linking */
void
_references_to_categories_of_OFData(void)
{
	_OFData_ASN1DERParsing_reference = 1;
	_OFData_CryptographicHashing_reference = 1;
	_OFData_MessagePackParsing_reference = 1;
}

@implementation OFData
@synthesize itemSize = _itemSize;

+ (instancetype)dataWithItems: (const void *)items count: (size_t)count

 * 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 "OFObject.h"
#import "OFCryptographicHash.h"

OF_ASSUME_NONNULL_BEGIN

/**
 * @class OFHMAC OFHMAC.h ObjFW/OFHMAC.h
 *
 * @brief A class which provides methods to calculate an HMAC.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFHMAC: OFObject
{
	Class <OFCryptographicHash> _hashClass;
	bool _allowsSwappableMemory;
	id <OFCryptographicHash> _Nullable _outerHash, _innerHash;
	id <OFCryptographicHash> _Nullable _outerHashCopy, _innerHashCopy;
	bool _calculated;
}

/**
 * @brief The class for the cryptographic hash used by the HMAC.
 */
@property (readonly, nonatomic) Class <OFCryptographicHash> hashClass;

/**
 * @brief Whether data may be stored in swappable memory.
 */
@property (readonly, nonatomic) bool allowsSwappableMemory;

/**

/**
 * @brief Returns a new OFHMAC with the specified hashing algorithm.
 *
 * @param hashClass The class of the hashing algorithm
 * @param allowsSwappableMemory Whether data may be stored in swappable memory
 * @return A new, autoreleased OFHMAC
 */
+ (instancetype)HMACWithHashClass: (Class <OFCryptographicHash>)hashClass
	    allowsSwappableMemory: (bool)allowsSwappableMemory;

- (instancetype)init OF_UNAVAILABLE;

/**
 * @brief Initialized an already allocated OFHMAC with the specified hashing
 *	  algorithm.
 *
 * @param hashClass The class of the hashing algorithm
 * @param allowsSwappableMemory Whether data may be stored in swappable memory
 * @return An initialized OFHMAC
 */
- (instancetype)initWithHashClass: (Class <OFCryptographicHash>)hashClass
	    allowsSwappableMemory: (bool)allowsSwappableMemory
    OF_DESIGNATED_INITIALIZER;

/**
 * @brief Sets the key for the HMAC.
 *
 * @note This resets the HMAC!

#import "OFHashAlreadyCalculatedException.h"
#import "OFInvalidArgumentException.h"

@implementation OFHMAC
@synthesize hashClass = _hashClass;
@synthesize allowsSwappableMemory = _allowsSwappableMemory;

+ (instancetype)HMACWithHashClass: (Class <OFCryptographicHash>)class
	    allowsSwappableMemory: (bool)allowsSwappableMemory
{
	return [[[self alloc] initWithHashClass: class
			  allowsSwappableMemory: allowsSwappableMemory]
	    autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithHashClass: (Class <OFCryptographicHash>)class
	    allowsSwappableMemory: (bool)allowsSwappableMemory
{
	self = [super init];

	_hashClass = class;
	_allowsSwappableMemory = allowsSwappableMemory;

	[_innerHash release];
	[_outerHashCopy release];
	[_innerHashCopy release];
	_outerHash = _innerHash = _outerHashCopy = _innerHashCopy = nil;

	@try {
		if (length > blockSize) {
			id <OFCryptographicHash> hash = [_hashClass
			    hashWithAllowsSwappableMemory:
			    _allowsSwappableMemory];
			[hash updateWithBuffer: key length: length];

			length = hash.digestSize;
			if OF_UNLIKELY (length > blockSize)
				length = blockSize;

		memset(innerKeyPadItems + length, 0, blockSize - length);

		for (size_t i = 0; i < blockSize; i++) {
			outerKeyPadItems[i] ^= 0x5C;
			innerKeyPadItems[i] ^= 0x36;
		}

		_outerHash = [[_hashClass hashWithAllowsSwappableMemory:
		    _allowsSwappableMemory] retain];
		_innerHash = [[_hashClass hashWithAllowsSwappableMemory:
		    _allowsSwappableMemory] retain];

		[_outerHash updateWithBuffer: outerKeyPadItems
				      length: blockSize];
		[_innerHash updateWithBuffer: innerKeyPadItems
				      length: blockSize];
	} @catch (id e) {

 *
 * 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 "OFCryptographicHash.h"

OF_ASSUME_NONNULL_BEGIN

@class OFSecureData;

/**
 * @class OFMD5Hash OFMD5Hash.h ObjFW/OFMD5Hash.h
 *
 * @brief A class which provides methods to create an MD5 hash.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFMD5Hash: OFObject <OFCryptographicHash>
{
	OFSecureData *_iVarsData;
	struct of_md5_hash_ivars {
		uint32_t state[4];
		uint64_t bits;
		union of_md5_hash_buffer {
			unsigned char bytes[64];

}

+ (size_t)blockSize
{
	return BLOCK_SIZE;
}

+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{
	return [[[self alloc] initWithAllowsSwappableMemory:
	    allowsSwappableMemory] autorelease];
}

- (instancetype)initWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{

 *
 * 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 "OFCryptographicHash.h"

OF_ASSUME_NONNULL_BEGIN

@class OFSecureData;

/**
 * @class OFRIPEMD160Hash OFRIPEMD160Hash.h ObjFW/OFRIPEMD160Hash.h
 *
 * @brief A class which provides methods to create a RIPEMD-160 hash.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFRIPEMD160Hash: OFObject <OFCryptographicHash>
{
	OFSecureData *_iVarsData;
	struct of_ripemd160_hash_ivars {
		uint32_t state[5];
		uint64_t bits;
		union of_ripemd160_hash_buffer {
			unsigned char bytes[64];

}

+ (size_t)blockSize
{
	return BLOCK_SIZE;
}

+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{
	return [[[self alloc] initWithAllowsSwappableMemory:
	    allowsSwappableMemory] autorelease];
}

- (instancetype)initWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{

 *
 * 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 "OFCryptographicHash.h"

OF_ASSUME_NONNULL_BEGIN

@class OFSecureData;

/**
 * @class OFSHA1Hash OFSHA1Hash.h ObjFW/OFSHA1Hash.h
 *
 * @brief A class which provides methods to create an SHA-1 hash.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFSHA1Hash: OFObject <OFCryptographicHash>
{
	OFSecureData *_iVarsData;
	struct of_sha1_hash_ivars {
		uint32_t state[5];
		uint64_t bits;
		union of_sha1_hash_buffer {
			unsigned char bytes[64];

}

+ (size_t)blockSize
{
	return BLOCK_SIZE;
}

+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{
	return [[[self alloc] initWithAllowsSwappableMemory:
	    allowsSwappableMemory] autorelease];
}

- (instancetype)initWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{

 *
 * 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 "OFCryptographicHash.h"

OF_ASSUME_NONNULL_BEGIN

@class OFSecureData;

/**
 * @class OFSHA224Or256Hash OFSHA224Or256Hash.h ObjFW/OFSHA224Or256Hash.h
 *
 * @brief A base class for SHA-224 and SHA-256.
 */
@interface OFSHA224Or256Hash: OFObject <OFCryptographicHash>
{
@private
	OFSecureData *_iVarsData;
@protected
	struct of_sha224_or_256_hash_ivars {
		uint32_t state[8];
		uint64_t bits;

}

+ (size_t)blockSize
{
	return BLOCK_SIZE;
}

+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{
	return [[[self alloc] initWithAllowsSwappableMemory:
	    allowsSwappableMemory] autorelease];
}

- (instancetype)initWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{

 *
 * 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 "OFCryptographicHash.h"

OF_ASSUME_NONNULL_BEGIN

@class OFSecureData;

/**
 * @class OFSHA384Or512Hash OFSHA384Or512Hash.h ObjFW/OFSHA384Or512Hash.h
 *
 * @brief A base class for SHA-384 and SHA-512.
 */
@interface OFSHA384Or512Hash: OFObject <OFCryptographicHash>
{
@private
	OFSecureData *_iVarsData;
@protected
	struct of_sha384_or_512_hash_ivars {
		uint64_t state[8];
		uint64_t bits[2];

}

+ (size_t)blockSize
{
	return BLOCK_SIZE;
}

+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{
	return [[[self alloc] initWithAllowsSwappableMemory:
	    allowsSwappableMemory] autorelease];
}

- (instancetype)initWithAllowsSwappableMemory: (bool)allowsSwappableMemory
{

#import "OFString.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFString_CryptographicHashing_reference;
#ifdef __cplusplus
}
#endif

@interface OFString (CryptographicHashing)
/**
 * @brief The MD5 hash of the string as a string.
 */
@property (readonly, nonatomic) OFString *stringByMD5Hashing;

/**
 * @brief The RIPEMD-160 hash of the string as a string.

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

#include "config.h"

#import "OFString.h"
#import "OFCryptographicHash.h"
#import "OFMD5Hash.h"
#import "OFRIPEMD160Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"
#import "OFSHA256Hash.h"
#import "OFSHA384Hash.h"
#import "OFSHA512Hash.h"

int _OFString_CryptographicHashing_reference;

@implementation OFString (CryptographicHashing)
static OFString *
stringByHashing(Class <OFCryptographicHash> class, OFString *self)
{
	void *pool = objc_autoreleasePoolPush();
	id <OFCryptographicHash> hash =
	    [class hashWithAllowsSwappableMemory: true];
	size_t digestSize = [class digestSize];
	const unsigned char *digest;
	char cString[digestSize * 2];

	[hash updateWithBuffer: self.UTF8String length: self.UTF8StringLength];
	digest = hash.digest;

	return [OFString stringWithCString: cString
				  encoding: OF_STRING_ENCODING_ASCII
				    length: digestSize * 2];
}

- (OFString *)stringByMD5Hashing
{
	return stringByHashing([OFMD5Hash class], self);
}

- (OFString *)stringByRIPEMD160Hashing
{
	return stringByHashing([OFRIPEMD160Hash class], self);
}

- (OFString *)stringBySHA1Hashing
{
	return stringByHashing([OFSHA1Hash class], self);
}

- (OFString *)stringBySHA224Hashing
{
	return stringByHashing([OFSHA224Hash class], self);
}

- (OFString *)stringBySHA256Hashing
{
	return stringByHashing([OFSHA256Hash class], self);
}

- (OFString *)stringBySHA384Hashing
{
	return stringByHashing([OFSHA384Hash class], self);
}

- (OFString *)stringBySHA512Hashing
{
	return stringByHashing([OFSHA512Hash class], self);
}
@end

#endif

OF_ASSUME_NONNULL_END

#include "OFConstantString.h"
#include "OFMutableString.h"
#ifdef __OBJC__
# import "OFString+CryptographicHashing.h"
# import "OFString+JSONParsing.h"
# ifdef OF_HAVE_FILES
#  import "OFString+PathAdditions.h"
# endif
# import "OFString+PropertyListParsing.h"
# import "OFString+Serialization.h"
# import "OFString+URLEncoding.h"

extern bool of_unicode_to_koi8_u(const of_unichar_t *, unsigned char *,
    size_t, bool);

/* References for static linking */
void
_references_to_categories_of_OFString(void)
{
	_OFString_CryptographicHashing_reference = 1;
	_OFString_JSONParsing_reference = 1;
#ifdef OF_HAVE_FILES
	_OFString_PathAdditions_reference = 1;
#endif
	_OFString_PropertyListParsing_reference = 1;
	_OFString_Serialization_reference = 1;
	_OFString_URLEncoding_reference = 1;

# import "OFHTTPServer.h"
#endif

#ifdef OF_HAVE_SUBPROCESSES
# import "OFSubprocess.h"
#endif

#import "OFCryptographicHash.h"
#import "OFMD5Hash.h"
#import "OFRIPEMD160Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"
#import "OFSHA256Hash.h"
#import "OFSHA384Hash.h"
#import "OFSHA512Hash.h"

@implementation TestsAppDelegate (OFMD5HashTests)
- (void)MD5HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFMD5Hash *md5, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (md5 = [OFMD5Hash hashWithAllowsSwappableMemory: true]))

	while (!f.atEndOfStream) {
		char buf[64];
		size_t len = [f readIntoBuffer: buf length: 64];
		[md5 updateWithBuffer: buf length: len];
	}
	[f close];

@implementation TestsAppDelegate (OFRIPEMD160HashTests)
- (void)RIPEMD160HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFRIPEMD160Hash *rmd160, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (rmd160 = [OFRIPEMD160Hash hashWithAllowsSwappableMemory: true]))


	while (!f.atEndOfStream) {
		char buf[64];
		size_t len = [f readIntoBuffer: buf length: 64];
		[rmd160 updateWithBuffer: buf length: len];
	}
	[f close];

@implementation TestsAppDelegate (SHA1HashTests)
- (void)SHA1HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSHA1Hash *sha1, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (sha1 = [OFSHA1Hash hashWithAllowsSwappableMemory: true]))

	while (!f.atEndOfStream) {
		char buf[64];
		size_t len = [f readIntoBuffer: buf length: 64];
		[sha1 updateWithBuffer: buf length: len];
	}
	[f close];

@implementation TestsAppDelegate (SHA224HashTests)
- (void)SHA224HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSHA224Hash *sha224, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (sha224 = [OFSHA224Hash hashWithAllowsSwappableMemory: true]))

	while (!f.atEndOfStream) {
		char buf[64];
		size_t len = [f readIntoBuffer: buf length: 64];
		[sha224 updateWithBuffer: buf length: len];
	}
	[f close];

@implementation TestsAppDelegate (SHA256HashTests)
- (void)SHA256HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSHA256Hash *sha256, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (sha256 = [OFSHA256Hash hashWithAllowsSwappableMemory: true]))

	while (!f.atEndOfStream) {
		char buf[64];
		size_t len = [f readIntoBuffer: buf length: 64];
		[sha256 updateWithBuffer: buf length: len];
	}
	[f close];

@implementation TestsAppDelegate (SHA384HashTests)
- (void)SHA384HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSHA384Hash *sha384, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (sha384 = [OFSHA384Hash hashWithAllowsSwappableMemory: true]))

	while (!f.atEndOfStream) {
		char buf[128];
		size_t len = [f readIntoBuffer: buf length: 128];
		[sha384 updateWithBuffer: buf length: len];
	}
	[f close];

@implementation TestsAppDelegate (SHA512HashTests)
- (void)SHA512HashTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSHA512Hash *sha512, *copy;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];

	TEST(@"+[hashWithAllowsSwappableMemory:]",
	    (sha512 = [OFSHA512Hash hashWithAllowsSwappableMemory: true]))

	while (!f.atEndOfStream) {
		char buf[128];
		size_t len = [f readIntoBuffer: buf length: 128];
		[sha512 updateWithBuffer: buf length: len];
	}
	[f close];

	    @"--sha384|--sha512] file1 [file2 ...]",
	    @"prog", [OFApplication programName])];

	[OFApplication terminateWithStatus: 1];
}

static void
printHash(OFString *algo, OFString *path, id <OFCryptographicHash> hash)
{
	const unsigned char *digest = hash.digest;
	size_t digestSize = hash.digestSize;

	[of_stdout writeFormat: @"%@ ", algo];

	for (size_t i = 0; i < digestSize; i++)

	    !calculateSHA512)
		help();

	if (optionsParser.remainingArguments.count < 1)
		help();

	if (calculateMD5)
		MD5Hash = [OFMD5Hash hashWithAllowsSwappableMemory: true];
	if (calculateRIPEMD160)
		RIPEMD160Hash =
		    [OFRIPEMD160Hash hashWithAllowsSwappableMemory: true];
	if (calculateSHA1)

		SHA1Hash = [OFSHA1Hash hashWithAllowsSwappableMemory: true];
	if (calculateSHA224)

		SHA224Hash = [OFSHA224Hash hashWithAllowsSwappableMemory: true];
	if (calculateSHA256)

		SHA256Hash = [OFSHA256Hash hashWithAllowsSwappableMemory: true];
	if (calculateSHA384)

		SHA384Hash = [OFSHA384Hash hashWithAllowsSwappableMemory: true];
	if (calculateSHA512)

		SHA512Hash = [OFSHA512Hash hashWithAllowsSwappableMemory: true];

	for (OFString *path in optionsParser.remainingArguments) {
		void *pool = objc_autoreleasePoolPush();
		OFStream *file;

		if ([path isEqual: @"-"])
			file = of_stdin;