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2014/10/15 ¤U¤È 10:13:38
iphone Programming Glossary: salthttp://stackoverflow.com/questions/11889556/authenticating-requests-from-mobile-iphone-app-to-asp-net-web-api-feedback-re accessing the web API iPhone Android Windows phone etc . Application's Hashing Salt This is a string that is used to salt hashes for user agnostic requests. Two strings are stored in the iPhone app's local database values unique to each user.. API without sending the username and password in each request. User's Hashing Salt This is a string that is used to salt hashes for requests made against established user accounts. The iPhone will make calls to the web API in the following manner.. Data Username Password First Name Last Name etc.. Application ID UTC Timestamp Hash of UTC Timestamp Application ID salted with Application's Hashing Salt API Returns New User's Hashing Salt The idea here is that when creating an account I can..
How to decrypt an encrypted Apple iTunes iPhone backup? http://stackoverflow.com/questions/1498342/how-to-decrypt-an-encrypted-apple-itunes-iphone-backup 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 by.. key. Using the backup password which is test in the below example derive a 32 byte key using the correct PBKDF2 salt and number of iterations. Unwrap each wrapped key according to RFC 3394 . For each file of interest get the class encrypted..
CoreData, many-to-many relationships and NSPredicate http://stackoverflow.com/questions/1903177/coredata-many-to-many-relationships-and-nspredicate in a predicate. As a Recipe example Many recipes and many ingredients. A recipe can have many ingredients of which salt can be one while salt is used in many recipes. This is a natural many to many relationship. What are suggested work arounds.. a Recipe example Many recipes and many ingredients. A recipe can have many ingredients of which salt can be one while salt is used in many recipes. This is a natural many to many relationship. What are suggested work arounds Was CoreData a bad..
Core Data Many-to-Many Relationship NSPredicate http://stackoverflow.com/questions/2822625/core-data-many-to-many-relationship-nspredicate share improve this question I had a lot of trouble puzzling out your predicate so take this with a grain of salt. I think your making this overly complicated. You should simplify with keypaths. Each EntityB has a to one relationship..
PasswordDeriveBytes(.net 2.0) for iPhone http://stackoverflow.com/questions/4598257/passwordderivebytes-net-2-0-for-iphone i achieve the same exact implementation Are there any methods or libraries for it I especially want it for using a salt. Thanks .net iphone objective c cryptography salt share improve this question Since MS implementation is not totally.. any methods or libraries for it I especially want it for using a salt. Thanks .net iphone objective c cryptography salt share improve this question Since MS implementation is not totally following the PKCS#5 specification the easiest way..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone hello hello is e0PnmbTg 3cT3W 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ Update I've posted the working code for this here . .net.. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is why the output is longer . The openssl output is more secure since it is prepending a random initialization vector... It looks like the first few bytes of the base64 decoded string is Salted__ . You can also ask openssl to not use a salt nosalt and or provide an IV iv . Essentially openssl .Net and the iPhone are using the same encryption you just need to..
How to create PBKDF2 key on iOS device http://stackoverflow.com/questions/5526853/how-to-create-pbkdf2-key-on-ios-device
http://stackoverflow.com/questions/11889556/authenticating-requests-from-mobile-iphone-app-to-asp-net-web-api-feedback-re to identify the type of client that is accessing the web API iPhone Android Windows phone etc . Application's Hashing Salt This is a string that is used to salt hashes for user agnostic requests. Two strings are stored in the iPhone app's local.. and allows the client to access the web API without sending the username and password in each request. User's Hashing Salt This is a string that is used to salt hashes for requests made against established user accounts. The iPhone will make calls.. Last Name etc.. Application ID UTC Timestamp Hash of UTC Timestamp Application ID salted with Application's Hashing Salt API Returns New User's Hashing Salt The idea here is that when creating an account I can use the application's hardcoded..
How to create PBKDF2 key on iOS device http://stackoverflow.com/questions/5526853/how-to-create-pbkdf2-key-on-ios-device files searching for a means to make this call but have so far been unsuccessful. The key I will be using is 5 digits Salt is 12 characters Iterations is 1000 and I need a 128 bit generated key. iphone cocoa touch encryption share improve this..
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