Tag Archives: iOS

Estimating Password Strength With zxcvbn

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Password strength meters are a great way to visually indicate to the users if their password is acceptable. Implementing one from scratch is no easy feat. Fortunately, dropbox has developed an open source library just for this purpose called zxcvbn. It’s multi-platform and easy to use. In this short article… Read more »

Memory Graph Debugging in Xcode

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We don’t have a garbage collector in swift, so we need to understand the memory graph of our apps. If we’re not careful with object references we can easily create strong reference cycles and leak memory. Sooner of later, you’ll find yourself hunting down that illusive memory leak. Fortunately, we… Read more »

iOS Application Security Part 8-Dumping Application Memory.

Welcome to my 8th blog post on “iOS Application Security Testing Series”. You can find Part 7 here. In this article, we will look at analyzing the memory contents of an iOS application using Fridump which uses Frida framework, an excellent framework if you don’t know you should give it a… Read more »

Restoring Your UI With State Restoration

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When your users are using your app, they expect it to behave like it’s constantly running. As you know, iOS can kill your app at any time in order to reclaim system resources. There’s an easy way to preserve the user interface across application starts. In this short article we’ll… Read more »

Measuring Performance with os_signpost

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This year the logging framework got a bit of an update. The most notable is definitely the ability to add signposts throughout your code with the new os_signpost functions. Signposts are a great tool to measure the performance of your code and in this article we’ll set up signposts and… Read more »

Using AVSpeechSynthesizer

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AVSpeechSynthesizer is a part of the AVFoundation framework that’s used to convert text to spoken audio. It’s a great tool for converting text to speech and it works surprisingly well. In this short article we’ll be using AVSpeechSynthesizer on a small demo app. Text to Speech A long, long time ago… Read more »

iOS Application Security Part Seven-Turning Black Box Testing into Automatic Gray-Box Testing(Using iNalyzer).

Welcome to my 7th blog post on “iOS Application Security Testing Series”. You can find Part Six here. One of the most painstaking aspects of testing against an iOS Application is the efforts of decrypting the application. In this article, I would like to go over an easy way of turning a painful Black Box testing… Read more »

Cross-platform iOS development with JavaScript and React Native. Part one

JavaScript running iOS applications can have the same or close to native performance. Do you believe this or not? Let’s find out. The first cross-platform framework that comes to mind is React Native. It is a framework for cross-platform development on iOS and Android. It uses JavaScript and TypeScript which… Read more »