7be9884075
[IMPROVED] A master password key is now better abstracted in an object.
[IMPROVED] A master password algorithm is now better astracted in an
object.
[ADDED] Elements now have a specific algorithm version.
[ADDED] Automatic/explicit migration of elements.
[ADDED] Searching outdated elements.
67 lines
1.5 KiB
Objective-C
67 lines
1.5 KiB
Objective-C
/**
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* Copyright Maarten Billemont (http://www.lhunath.com, lhunath@lyndir.com)
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*
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* See the enclosed file LICENSE for license information (LGPLv3). If you did
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* not receive this file, see http://www.gnu.org/licenses/lgpl-3.0.txt
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*
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* @author Maarten Billemont <lhunath@lyndir.com>
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* @license http://www.gnu.org/licenses/lgpl-3.0.txt
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*/
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//
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// MPKey
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//
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// Created by Maarten Billemont on 16/07/12.
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// Copyright 2012 lhunath (Maarten Billemont). All rights reserved.
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//
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#import "MPKey.h"
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#import "MPAlgorithm.h"
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@interface MPKey ()
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@property (nonatomic, readwrite, strong) id<MPAlgorithm> algorithm;
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@property (nonatomic, readwrite, strong) NSData *keyData;
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@property (nonatomic, readwrite, strong) NSData *keyID;
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@end
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@implementation MPKey
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@synthesize algorithm = _algorithm, keyData = _keyData, keyID = _keyID;
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- (id)initWithKeyData:(NSData *)keyData algorithm:(id<MPAlgorithm>)algorithm {
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if (!(self = [super init]))
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return nil;
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self.keyData = keyData;
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self.algorithm = algorithm;
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self.keyID = [self.algorithm keyIDForKeyData:keyData];
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return self;
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}
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- (MPKey *)subKeyOfLength:(NSUInteger)subKeyLength {
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NSData *subKeyData = [self.keyData subdataWithRange:NSMakeRange(0, MIN(subKeyLength, self.keyData.length))];
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return [self.algorithm keyFromKeyData:subKeyData];
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}
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- (BOOL)isEqualToKey:(MPKey *)key {
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return [self.keyID isEqualToData:key.keyID];
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}
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- (BOOL)isEqual:(id)object {
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if (![object isKindOfClass:[MPKey class]])
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return NO;
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return [self isEqualToKey:object];
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}
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@end
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