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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "OWSMessageHandler.h"
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NS_ASSUME_NONNULL_BEGIN
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@class OWSPrimaryStorage;
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@class SSKProtoEnvelope;
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@class YapDatabaseReadWriteTransaction;
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typedef void (^DecryptSuccessBlock)(NSData *_Nullable plaintextData, YapDatabaseReadWriteTransaction *transaction);
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typedef void (^DecryptFailureBlock)(void);
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@interface OWSMessageDecrypter : OWSMessageHandler
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithPrimaryStorage:(OWSPrimaryStorage *)primaryStorage NS_DESIGNATED_INITIALIZER;
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// decryptEnvelope: can be called from any thread.
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// successBlock & failureBlock will be called an arbitrary thread.
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//
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// Exactly one of successBlock & failureBlock will be called,
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// once.
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- (void)decryptEnvelope:(SSKProtoEnvelope *)envelope
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successBlock:(DecryptSuccessBlock)successBlock
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failureBlock:(DecryptFailureBlock)failureBlock;
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@end
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NS_ASSUME_NONNULL_END
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