Ivan R Blog
  • Blog
  • Who
  • CTF
Subscribe
Tagged

Development

A collection of 3 posts

Introducing security.plist
iOS

Introducing security.plist

tl;dr It's like security.txt but for iOS applications. As probably you know by now, I spend a lot of my free time reverse engineering iOS applications. But when I find a vulnerability in one of them, it's a very, very difficult process to figure out how to contact

  • Ivan
Ivan Nov 21, 2019 • 2 min read
Created an "age" mobile client
Cryptography

Created an "age" mobile client

A few days ago Filippo Valsorda twitted about a simple, secure and modern encryption tool that will hopefully substitute gpg. Filippo, along with Ben Cox, published a document detailing the output file and key formats as well as some examples. They are calling it age (which might be an acronym

  • Ivan
Ivan May 20, 2019 • 2 min read
Formatting phone numbers in Swift
Development

Formatting phone numbers in Swift

A simple code snippet to format 10 digit phone numbers in Swift 4.0, instead of including a big library, just implement a delegate function and a formatting function: The UITextFieldDelegate function func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { var fullString = textField.text ?? "

  • Ivan
Ivan Mar 11, 2018 • 1 min read
Ivan R Blog © 2022
Powered by Ghost