/* * 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. * * 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" #import "OFASN1Value.h" #import "OFData.h" #import "OFString.h" #import "OFInvalidFormatException.h" @implementation OFASN1Value @synthesize tagClass = _tagClass, tagNumber = _tagNumber; @synthesize constructed = _constructed; @synthesize DEREncodedContents = _DEREncodedContents; + (instancetype)valueWithTagClass: (of_asn1_tag_class_t)tagClass tagNumber: (of_asn1_tag_number_t)tagNumber constructed: (bool)constructed DEREncodedContents: (OFData *)DEREncodedContents { return [[[self alloc] initWithTagClass: tagClass tagNumber: tagNumber constructed: constructed DEREncodedContents: DEREncodedContents] autorelease]; } - (instancetype)init { OF_INVALID_INIT_METHOD } - (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass tagNumber: (of_asn1_tag_number_t)tagNumber constructed: (bool)constructed DEREncodedContents: (OFData *)DEREncodedContents { self = [super init]; @try { if ([DEREncodedContents itemSize] != 1) @throw [OFInvalidFormatException exception]; _tagClass = tagClass; _tagNumber = tagNumber; _constructed = constructed; _DEREncodedContents = [DEREncodedContents copy]; } @catch (id e) { [self release]; @throw e; } return self; } - (void)dealloc { [_DEREncodedContents release]; [super dealloc]; } - (bool)isEqual: (id)object { OFASN1Value *value; if (![object isKindOfClass: [OFASN1Value class]]) return false; value = object; if (value->_tagClass != _tagClass) return false; if (value->_tagNumber != _tagNumber) return false; if (value->_constructed != _constructed) return false; if (![value->_DEREncodedContents isEqual: _DEREncodedContents]) return false; return true; } - (uint32_t)hash { uint32_t hash; OF_HASH_INIT(hash); OF_HASH_ADD(hash, _tagClass & 0xFF); OF_HASH_ADD(hash, _tagNumber & 0xFF); OF_HASH_ADD(hash, _constructed); OF_HASH_ADD_HASH(hash, [_DEREncodedContents hash]); OF_HASH_FINALIZE(hash); return hash; } - (OFString *)description { return [OFString stringWithFormat: @"<OFASN1Value:\n" @"\tTag class = %x\n" @"\tTag number = %x\n" @"\tConstructed = %u\n" @"\tDER-encoded contents = %@\n" @">", _tagClass, _tagNumber, _constructed, [_DEREncodedContents description]]; } @end