Hashes: A Good Tool You Shouldn't Trust Blindly
You meet hashes all day as an iOS dev — hash maps, git, checksums. MD5 and SHA-1 are broken for security, yet hashes are still useful if you know what they actually prove. A short, concrete note.
Amin Benarieb's Blog
Amin Benarieb — Senior iOS engineer writing about mobile security, biometrics, and iOS development in regulated, high-stakes domains.
Latest posts
iOS compressionQuality Is Not the JPEG Q-factor
Apple's compressionQuality parameter is not the JPEG Q-factor — 0.8 produces Q94, not Q80. Calibration table from Apple's parameter to the real JPEG Q-factor, plus why iOS files come out smaller than libjpeg at the same nominal Q.
Turning the iPhone into a Laboratory Microscope with AI and BLE
Hardware + AI + BLE project that turns an iPhone into a working laboratory microscope. Full write-up on HackerNoon.
Dealing with Floating-Point Precision in Swift
Why Swift’s Double gives you 20.509999999999998 instead of 20.51, and when to reach for Foundation’s Decimal instead.
How to Debug Faster With ProcessInfo
Skip the rebuild loop: use ProcessInfo environment variables and launch arguments to inject test data and toggle debug behavior in your iOS app at runtime.
How to debug iOS deeplinks with local server
Spin up a tiny Python HTTP server that lists all the deep links you need to test, then tap through them in the iOS Simulator.