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In iOS Keychain Tutorial, I have explained how to store data securely in Objective-C and how to share secured data between apps. What is Keychain ? Keychain is an encrypted container where you can store secured information like passwords,certificates...

In this entry we’re going to focus on building Apple Watch apps that can communicate back and forth with the host application running on the iPhone.  This is extremely important since the Apple Watch provides a second screen/peripheral complimentary...

What is Touch ID? Touch ID is Apple’s fingerprint technology for iOS mobile devices. It allows consumers to unlock their phones and make purchases conveniently using their fingerprint(s). As of iOS version 8.0, Apple opened up Touch ID to developers...

Apple has posted a new version of their terrific white paper on iOS security, this one updated for iOS 8 an dated September, 2014. I haven't had time to read through it yet, but if last year's version is any indication, encryption enthusiasts should...

As every iOS developer knows, when your provisioning gets messed up, your life becomes a living hell. I don’t even want to think about how many millions of man hours have been wasted getting broken projects working again. The root of the problem...