55 lines
1.3 KiB
Objective-C
55 lines
1.3 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "SendingChain.h"
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#import "ChainKey.h"
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#import <SignalCoreKit/OWSAsserts.h>
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@interface SendingChain ()
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@property (nonatomic)ChainKey *chainKey;
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@end
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@implementation SendingChain
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static NSString* const kCoderChainKey = @"kCoderChainKey";
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static NSString* const kCoderSenderRatchet = @"kCoderSenderRatchet";
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+ (BOOL)supportsSecureCoding{
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return YES;
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}
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- (id)initWithCoder:(NSCoder *)aDecoder{
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self = [self initWithChainKey:[aDecoder decodeObjectOfClass:[ChainKey class] forKey:kCoderChainKey]
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senderRatchetKeyPair:[aDecoder decodeObjectOfClass:[ECKeyPair class] forKey:kCoderSenderRatchet]];
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return self;
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}
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- (void)encodeWithCoder:(NSCoder *)aCoder{
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[aCoder encodeObject:self.chainKey forKey:kCoderChainKey];
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[aCoder encodeObject:self.senderRatchetKeyPair forKey:kCoderSenderRatchet];
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}
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- (instancetype)initWithChainKey:(ChainKey *)chainKey senderRatchetKeyPair:(ECKeyPair *)keyPair{
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self = [super init];
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OWSAssert(chainKey.key.length == 32);
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OWSAssert(keyPair);
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if (self) {
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_chainKey = chainKey;
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_senderRatchetKeyPair = keyPair;
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}
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return self;
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}
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-(ChainKey *)chainKey{
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return _chainKey;
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}
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@end
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