implemented crypto and started pairing

Limelight/CryptoManager.h

@@ -11,5 +11,6 @@
 @interface CryptoManager : NSObject <NSURLConnectionDelegate>
 
 - (void) generateKeyPairUsingSSl;
+- (NSString*) getUniqueID;
 
 @end

Limelight/CryptoManager.m

@@ -8,7 +8,7 @@
 
 #import "CryptoManager.h"
 #import "mkcert.h"
-
+#import <AdSupport/ASIdentifierManager.h>
 
 @implementation CryptoManager
 
@@ -31,4 +31,18 @@
     freeCertKeyPair(certKeyPair);
 }
 
+- (NSString*) getUniqueID {
+    // generate a UUID
+    NSUUID* uuid = [ASIdentifierManager sharedManager].advertisingIdentifier;
+    NSString* idString = [NSString stringWithString:[uuid UUIDString]];
+    
+    // we need a 16byte hex-string so we take the last 17 characters
+    // and remove the '-' to get a 16 character string
+    NSMutableString* uniqueId = [NSMutableString stringWithString:[idString substringFromIndex:19]];
+    [uniqueId deleteCharactersInRange:NSMakeRange(4, 1)];
+
+    //NSLog(@"Unique ID: %@", uniqueId);
+    return [NSString stringWithString:uniqueId];
+}
+
 @end

Limelight/HttpManager.h

@@ -0,0 +1,14 @@
+//
+//  HttpManager.h
+//  Limelight
+//
+//  Created by Diego Waxemberg on 10/16/14.
+//  Copyright (c) 2014 Limelight Stream. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface HttpManager : NSObject
+- (NSString*) generatePIN;
+- (NSString*) saltPIN:(NSString*)PIN;
+@end

Limelight/HttpManager.m

@@ -0,0 +1,68 @@
+//
+//  HttpManager.m
+//  Limelight
+//
+//  Created by Diego Waxemberg on 10/16/14.
+//  Copyright (c) 2014 Limelight Stream. All rights reserved.
+//
+
+#import "HttpManager.h"
+
+@implementation HttpManager {
+    NSString* _baseURL;
+    NSString* _host;
+    NSString* _uniqueId;
+    NSString* _deviceName;
+}
+
+static const NSString* PORT = @"47984";
+
+
+- (id) initWithHost:(NSString*) host uniqueId:(NSString*) uniqueId deviceName:(NSString*) deviceName {
+    self = [super init];
+    _host = host;
+    _uniqueId = uniqueId;
+    _deviceName = deviceName;
+    _baseURL = [[NSString stringWithFormat:@"https://%@:%@", host, PORT]
+                stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+    return self;
+}
+
+- (NSURL*) newPairRequestWithSalt:(NSString*)salt andCert:(NSString*)cert {
+    NSURL* url = [[NSURL alloc] initWithString:
+                  [NSString stringWithFormat:@"http://%@:%@/pair?uniqueid=%@&devicename=%@&updateState=1&phrase=getservercert&salt=%@&clientcert=%@",
+                                                _host, PORT, _uniqueId, _deviceName, salt, cert]];
+    return url;
+}
+
+- (void) initiatePairing {
+    
+}
+
+- (NSString*) generatePIN {
+    NSString* PIN = [NSString stringWithFormat:@"%d%d%d%d",
+                     arc4random() % 10, arc4random() % 10,
+                     arc4random() % 10, arc4random() % 10];
+    NSLog(@"PIN: %@", PIN);
+    return PIN;
+}
+
+- (NSData*) saltPIN:(NSString*)PIN {
+    NSMutableData* saltedPIN = [[NSMutableData alloc] initWithCapacity:20];
+    [saltedPIN appendData:[self randomBytes:16]];
+    [saltedPIN appendBytes:[PIN UTF8String] length:4];
+    
+    NSLog(@"Salted PIN: %@", [saltedPIN description]);
+
+    return saltedPIN;
+}
+
+- (NSData*) randomBytes:(NSInteger)length {
+    char* bytes = malloc(length);
+    arc4random_buf(bytes, length);
+    NSData* randomData = [NSData dataWithBytes:bytes length:length];
+    free(bytes);
+    return randomData;
+}
+
+@end

Limelight/MainFrameViewController.m

@@ -11,6 +11,7 @@
 #import "ConnectionHandler.h"
 #import "Computer.h"
 #import "CryptoManager.h"
+#import "HttpManager.h"
 
 @implementation MainFrameViewController
 NSString* hostAddr;
@@ -87,7 +88,10 @@ MDNSManager* mDNSManager;
     
     mDNSManager = [[MDNSManager alloc] initWithCallback:self];
     [mDNSManager searchForHosts];
-    [[[CryptoManager alloc] init] generateKeyPairUsingSSl];
+    CryptoManager* cryptMan = [[CryptoManager alloc] init];
+    [cryptMan getUniqueID];
+    HttpManager* hMan = [[HttpManager alloc] init];
+    [hMan saltPIN:[hMan generatePIN]];
 }
 
 - (void)updateHosts:(NSArray *)hosts {