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2014/10/15 ¤U¤È 10:10:41
iphone Programming Glossary: ivCustom background for UINavigationBar problems http://stackoverflow.com/questions/1432596/custom-background-for-uinavigationbar-problems for UINavigationBar problems I've managed to add a custom background to my navigation bar by using UIImageView iv UIImageView alloc initWithImage UIImage imageNamed @ UINavigationBar.png myViewController.navigationBar insertSubview iv.. UIImageView alloc initWithImage UIImage imageNamed @ UINavigationBar.png myViewController.navigationBar insertSubview iv atIndex 0 iv release This works fine and I can see the title and buttons okay. However when I drill down one level and then.. alloc initWithImage UIImage imageNamed @ UINavigationBar.png myViewController.navigationBar insertSubview iv atIndex 0 iv release This works fine and I can see the title and buttons okay. However when I drill down one level and then go back to..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption out anywhere. Severe penalties doesn't sound pleasant at all so I think that's right is a bit sketchy... an authoritative answer would be better. Thanks. iphone encryption app store share improve this question Unfortunately I believe that.. encryption with key lengths not exceeding 56 bits symmetric 512 bits asymmetric and or 112 bit elliptic curve iv your app is a mass market product with key lengths not exceeding 64 bits symmetric or if no symmetric algorithms not exceeding..
How can I make my AES encryption identical between Java and Objective-C (iPhone)? http://stackoverflow.com/questions/2280375/how-can-i-make-my-aes-encryption-identical-between-java-and-objective-c-iphone can I make my AES encryption identical between Java and Objective C iPhone I am encrypting a string in objective c and also encrypting the same string in Java using AES and am seeing some.. can I make my AES encryption identical between Java and Objective C iPhone I am encrypting a string in objective c and also encrypting the same string in Java using AES and am seeing some strange issues. The first part of the result.. a source string of Now then and what is this nonsense all about. Do you know Using a key of 1234567890123456 The objective c code to encrypt is the following NOTE it is a NSData category so assume that the method is called on an NSData object..
How to encrypt an NSString in Objective C with DES in ECB-Mode? http://stackoverflow.com/questions/2512184/how-to-encrypt-an-nsstring-in-objective-c-with-des-in-ecb-mode to encrypt an NSString in Objective C with DES in ECB Mode I am trying to encrypt an NSString in Objective C on the iPhone. At least I wan't to get a string.. to encrypt an NSString in Objective C with DES in ECB Mode I am trying to encrypt an NSString in Objective C on the iPhone. At least I wan't to get a string like TmsbDaNG64lI8wC6NLhXOGvfu2IjLGuEwc0CzoSHnrs when I encode us foo.. ~ kCCBlockSize3DES 1 bufferPtr malloc bufferPtrSize sizeof uint8_t memset void bufferPtr 0x0 bufferPtrSize memset void iv 0x0 size_t sizeof iv NSString initVec @ init Vec const void vkey const void key UTF8String const void vinitVec const void..
how to crop image in to pieces programmatically http://stackoverflow.com/questions/4743242/how-to-crop-image-in-to-pieces-programmatically to crop image in to pieces programmatically I need to divide an image into 9 pieces programmatically. Any suggestions on how to do this iphone core graphics share improve this.. whole.CGImage CGRectMake x y 100 100 UIImage part UIImage imageWithCGImage cgImg UIImageView iv UIImageView alloc initWithImage part UIView sView UIView alloc initWithFrame CGRectMake 200 x 200 y 100 100 sView addSubview.. alloc initWithImage part UIView sView UIView alloc initWithFrame CGRectMake 200 x 200 y 100 100 sView addSubview iv iv release UITapGestureRecognizer tap UITapGestureRecognizer alloc initWithTarget self action @selector tap tap.numberOfTapsRequired..
Zooming a UIScrollView in MonoTouch http://stackoverflow.com/questions/5011243/zooming-a-uiscrollview-in-monotouch full size of the image and have also set a min max zoom scale. Here's my code UIImage imgMap new UIImage img map.png ivMap.Image imgMap svMap.MinimumZoomScale 1.0f svMap.MaximumZoomScale 3.0f svMap.ContentSize new System.Drawing.SizeF ivMap.Frame.Width.. ivMap.Image imgMap svMap.MinimumZoomScale 1.0f svMap.MaximumZoomScale 3.0f svMap.ContentSize new System.Drawing.SizeF ivMap.Frame.Width ivMap.Frame.Height Any ideas on what I'm missing EDIT I've created a new .xib file with the code provided.. svMap.MinimumZoomScale 1.0f svMap.MaximumZoomScale 3.0f svMap.ContentSize new System.Drawing.SizeF ivMap.Frame.Width ivMap.Frame.Height Any ideas on what I'm missing EDIT I've created a new .xib file with the code provided by @Geoff but still..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone question At the very least you are using differing initialization vectors IV . The .Net code uses the key for IV. private static AesCryptoServiceProvider GetProvider byte key Set up the encryption objects AesCryptoServiceProvider result new.. byte RealKey Encryptor.GetKey key result result.Key RealKey result.IV RealKey return result and private static byte GetKey byte suggestedKey AesCryptoServiceProvider p byte kRaw suggestedKey List kList new List for int i.. has a serious bug in it... . The iPhone code uses 0 for IV. Initialization vector dummy in this case 0's. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is..
How to know the image size after applying aspect fit for the image in an UIImageView http://stackoverflow.com/questions/6278876/how-to-know-the-image-size-after-applying-aspect-fit-for-the-image-in-an-uiimage accessible variable that had this so here is the brute force way CGSize aspectScaledImageSizeForImageView UIImageView iv image UIImage im float x y float a b x iv.frame.size.width y iv.frame.size.height a im.size.width b im.size.height if x.. is the brute force way CGSize aspectScaledImageSizeForImageView UIImageView iv image UIImage im float x y float a b x iv.frame.size.width y iv.frame.size.height a im.size.width b im.size.height if x a y b image fits exactly no scaling required.. CGSize aspectScaledImageSizeForImageView UIImageView iv image UIImage im float x y float a b x iv.frame.size.width y iv.frame.size.height a im.size.width b im.size.height if x a y b image fits exactly no scaling required return iv.frame.size..
Iphone Encryption on UIImage - kCCBufferTooSmall error on AES 256 encryption http://stackoverflow.com/questions/13248786/iphone-encryption-on-uiimage-kccbuffertoosmall-error-on-aes-256-encryption is pretty braindead as it does require encrypting all at once without using CCCryptorUpdate . It does not use an IV which jeopardizes security. It handles the keys as strings. Finally it creates too big a buffer size for decryption. You..
How to decrypt an encrypted Apple iTunes iPhone backup? http://stackoverflow.com/questions/1498342/how-to-decrypt-an-encrypted-apple-itunes-iphone-backup suggesting a keysize of 128 and CBC mode may be used. Aside from any other obfuscation a key and initialisation vector IV salt are required. One might assume that the key is a manipulation of the backup password that users are prompted to enter.. or private key itself might be used as the key. AES and the iTunes encrypt decrypt process is symmetric. The IV is another matter and it could be a few things. Perhaps it's one of the keys hard coded into iTunes or into the devices.. with the class key that was unwrapped with the backup password. The decrypt the file using AES in CBC mode with a zero IV. In runnable source code form here is how to decrypt the calculator preferences file from an encrypted iPhone backup in..
How can I make my AES encryption identical between Java and Objective-C (iPhone)? http://stackoverflow.com/questions/2280375/how-can-i-make-my-aes-encryption-identical-between-java-and-objective-c-iphone help please.... java iphone objective c encryption aes share improve this question Since the CCCrypt takes an IV does it not use a chaining block cipher method such as CBC This would be consistant with what you see the first block is..
Any (early) experiences with auto-renewable subscriptions for iOS http://stackoverflow.com/questions/5017731/any-early-experiences-with-auto-renewable-subscriptions-for-ios is being restored or does it pop up at the point of requesting products information from the app store UPDATE IV i got it right after 5 rejections. my code was doing the most obvious error. one should really make sure to always finish..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone iphone encryption aes share improve this question At the very least you are using differing initialization vectors IV . The .Net code uses the key for IV. private static AesCryptoServiceProvider GetProvider byte key Set up the encryption.. this question At the very least you are using differing initialization vectors IV . The .Net code uses the key for IV. private static AesCryptoServiceProvider GetProvider byte key Set up the encryption objects AesCryptoServiceProvider result.. result new AesCryptoServiceProvider byte RealKey Encryptor.GetKey key result result.Key RealKey result.IV RealKey return result and private static byte GetKey byte suggestedKey AesCryptoServiceProvider p byte kRaw suggestedKey..
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