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2014/10/15 ¤U¤È 10:09:58
iphone Programming Glossary: hashinghttp://stackoverflow.com/questions/11889556/authenticating-requests-from-mobile-iphone-app-to-asp-net-web-api-feedback-re is used 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.. 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.. 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 use the application's hardcoded..
iPhone/OS X LION: How to retrieve the decoded data from the CC_SHA256 encrypted data? http://stackoverflow.com/questions/10174536/iphone-os-x-lion-how-to-retrieve-the-decoded-data-from-the-cc-sha256-encrypted here we are getting millsec in this way 1328962624994.734131 double currentTime strCurrTimeMilliSecs doubleValue Do hashing NSString withSalt NSString stringWithFormat @ @ @ @ strCurrTimeMilliSecs inStringToHashIt STATIC_HASH NSLog @ withSalt... are designed to check data integrity not to provide data encryption. If you want encryption decryption as opposed to hashing you want to use one of CommonCrypto's CCCryptor routines. See Any cocoa source code for AES encryption decryption share..
http://stackoverflow.com/questions/11889556/authenticating-requests-from-mobile-iphone-app-to-asp-net-web-api-feedback-re by that user so it can't be used by an attacker to impersonate others. API Method Get Account Used for getting user's hashing salt for accounts that were created on the web site but haven't yet been synced on the iPhone. This happens when a user..
http://stackoverflow.com/questions/1684799/generate-hash-from-uiimage generate an MD5 hash from a string but I haven't discovered how to implement it for a UIImage. How should I go about hashing a UIImage Or is my method for comparing to images totally off iphone cocoa touch hash share improve this question I..
Background threads consuming 100% CPU on iPhone 3GS causes latent main thread http://stackoverflow.com/questions/1940903/background-threads-consuming-100-cpu-on-iphone-3gs-causes-latent-main-thread periods of time causing the scroll to skip slightly. In addition I found some expensive NSFileManager calls and md5 hashing functions which were taking too much time to run. Allocating big objects too frequently caused some other performance hits..
hash a password string using SHA512 like C# http://stackoverflow.com/questions/3829068/hash-a-password-string-using-sha512-like-c-sharp like C# I am developing logon function for my iPhone Application so I want to hash the password using the SHA512 hashing algorithm then get the result as NSString the result should be the same with SHA512 in C# . After spending a lot of time..
http://stackoverflow.com/questions/6296667/appstore-approval-and-md5
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now a hash using the MAC . That hash will always create the same result every time even across reinstalls and apps if the hashing is done in the same way . Anyways nowadays 2013 this isn't necessary any more except if you need a stable device identifier..
http://stackoverflow.com/questions/802879/iphone-and-crypto-libraries the crypto export policy applied by Apple. Do I need to do something extra such as filling forms etc. 1 If I use hashing with MD5. 2 If I use symmetric encryption. Thanks iphone objective c security encryption hash share improve this question..
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