March 2021 – HackMag

MicroB. Writing BASIC in assembler language and squeezing it into 512 bytes

Date: 30/03/2021

Author: HackMag

Want some practice in assembler? Today, I will show step-by-step how to write a BASIC interpreter and run it from the boot sector of your PC. My interpreter includes overlapping subprograms with branching recursion – otherwise, BASIC won’t fit in 512 bytes. It’s quite possible that this project becomes the most sophisticated program in your life. But after writing it by your own hands, you will be able to rightfully call yourself a hacker.

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Android security: evolution from version 1 to version 11

Date: 25/03/2021

Author: Eugene Zobnin

For a long time, Android was known as a slow and insecure OS for losers unable to afford an iPhone. Is this still true, and was Android really so bad? Leaving aside the interface smoothness and OS capacity, I am going to briefly discuss the evolution of the worst element in Android: its security system.

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Android SSL Pinning

Date: 17/03/2021

Author: Sergey Khariuk

Introduction

Modern requirements to mobile data processing apps designed for work with personal and financial data include secure data transfer over the Internet. SSL pinning is a mechanism used to satisfy this requirement: it enables the user to identify a server based on an SSL certificate stamp embedded into the app. This makes Man-In-the-Middle attacks almost impossible and prevents the interception of the data traffic between a client and a server.

cyberlands.io

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