/*

 File: CryptoClient.h

 Abstract: Contains the client networking and cryptographic operations. It 

 gets invoked by the ServiceController class when the connect button is 

 pressed.

 Version: 1.2

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 */

#import <UIKit/UIKit.h>

@class CryptoClient;

@protocol CryptoClientDelegate

- (void)cryptoClientDidCompleteConnection:(CryptoClient *)cryptoClient;

- (void)cryptoClientDidReceiveError:(CryptoClient *)cryptoClient;

- (void)cryptoClientWillBeginReceivingData:(CryptoClient *)cryptClient;

- (void)cryptoClientDidFinishReceivingData:(CryptoClient *)cryptClient;

- (void)cryptoClientWillBeginVerifyingData:(CryptoClient *)cryptClient;

- (void)cryptoClientDidFinishVerifyingData:(CryptoClient *)cryptClient verified:(BOOL)verified;

@end

@interface CryptoClient : NSObject {

    NSNetService * service;

    NSInputStream * istr;

    NSOutputStream * ostr;

    NSObject <CryptoClientDelegate, NSObject> * delegate;

    BOOL isConnected;

}

@property (nonatomic, retain) NSNetService * service;

@property (nonatomic, assign) NSObject <CryptoClientDelegate, NSObject> * delegate;

@property (nonatomic, retain) NSInputStream * istr;

@property (nonatomic, retain) NSOutputStream * ostr;

@property (nonatomic) BOOL isConnected;

- (id)initWithService:(NSNetService *)serviceInstance delegate:(NSObject <CryptoClientDelegate, NSObject> *)anObject;

- (NSData *)receiveData;

- (NSUInteger)sendData:(NSData *)outData;

- (void)runConnection;

- (BOOL)verifyBlob:(NSData *)blob;

- (void)forwardVerificationToDelegate:(NSNumber *)verified;

@end