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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* Jonathan Schleifer <js@heap.zone>
*
* 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.
*
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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* 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.
*
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#import "OFOutOfRangeException.h"
#import "pbkdf2.h"
void of_pbkdf2(OFHMAC *HMAC, size_t iterations,
const unsigned char *salt, size_t saltLength,
const char *password, size_t passwordLength,
unsigned char *key, size_t keyLength)
{
void *pool = objc_autoreleasePoolPush();
size_t blocks, digestSize = HMAC.digestSize;
OFSecureData *buffer = [OFSecureData dataWithCount: digestSize];
OFSecureData *digest = [OFSecureData dataWithCount: digestSize];
unsigned char *bufferItems = buffer.mutableItems;
unsigned char *digestItems = digest.mutableItems;
OFSecureData *extendedSalt;
unsigned char *extendedSaltItems;
if (HMAC == nil || iterations == 0 || salt == NULL ||
password == NULL || key == NULL || keyLength == 0)
@throw [OFInvalidArgumentException exception];
blocks = keyLength / digestSize;
if (keyLength % digestSize != 0)
blocks++;
if (saltLength > SIZE_MAX - 4 || blocks > UINT32_MAX)
@throw [OFOutOfRangeException exception];
extendedSalt = [OFSecureData dataWithCount: saltLength + 4];
extendedSaltItems = extendedSalt.mutableItems;
@try {
uint32_t i = OF_BSWAP32_IF_LE(1);
[HMAC setKey: password
length: passwordLength];
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#import "OFOutOfRangeException.h"
#import "pbkdf2.h"
void of_pbkdf2(OFHMAC *HMAC, size_t iterations,
const unsigned char *salt, size_t saltLength,
const char *password, size_t passwordLength,
unsigned char *key, size_t keyLength, bool allowsSwappableMemory)
{
void *pool = objc_autoreleasePoolPush();
size_t blocks, digestSize = HMAC.digestSize;
OFSecureData *buffer = [OFSecureData
dataWithCount: digestSize
allowsSwappableMemory: allowsSwappableMemory];
OFSecureData *digest = [OFSecureData
dataWithCount: digestSize
allowsSwappableMemory: allowsSwappableMemory];
unsigned char *bufferItems = buffer.mutableItems;
unsigned char *digestItems = digest.mutableItems;
OFSecureData *extendedSalt;
unsigned char *extendedSaltItems;
if (HMAC == nil || iterations == 0 || salt == NULL ||
password == NULL || key == NULL || keyLength == 0)
@throw [OFInvalidArgumentException exception];
blocks = keyLength / digestSize;
if (keyLength % digestSize != 0)
blocks++;
if (saltLength > SIZE_MAX - 4 || blocks > UINT32_MAX)
@throw [OFOutOfRangeException exception];
extendedSalt = [OFSecureData dataWithCount: saltLength + 4
allowsSwappableMemory: allowsSwappableMemory];
extendedSaltItems = extendedSalt.mutableItems;
@try {
uint32_t i = OF_BSWAP32_IF_LE(1);
[HMAC setKey: password
length: passwordLength];
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