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Posts by Samuel Hopstock - Software Engineer

Code Checksumming: Detecting Binary Patches to Your Code

5 minute read | August 29, 2023

Binary code patching Binary code patching is a common and effective way attackers alter a specific part of a program’s code while keeping the rest of the code’s functionality intact. The program can be manipulated in place without requiring source...

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    About Samuel Hopstock - Software Engineer

    21 min read | May 10, 2022

    Who You Gonna Call? Behind the Scenes of JVM Method Invocations

    Android Technical ProGuard & R8 DexGuard
    19 min read | January 18, 2022

    How to Securely Implement TLS Certificate Checking in Android Apps

    Android Technical Protection DexGuard
    15 min read | December 21, 2021

    Insecure TLS Certificate Checking in Android Apps

    Android Technical Protection DexGuard
    Call Graphs: The Bread and Butter of Program Analysis https://23593082.hs-sites.com/amilia-test/blog/call-graphs-the-bread-and-butter-of-program-analysis
    Who You Gonna Call? Behind the Scenes of JVM Method Invocations https://23593082.hs-sites.com/amilia-test/blog/behind-the-scenes-of-jvm-method-invocations
    How to Securely Implement TLS Certificate Checking in Android Apps https://23593082.hs-sites.com/amilia-test/blog/how-to-securely-implement-tls-certificate-checking-in-android-apps
    Insecure TLS Certificate Checking in Android Apps https://23593082.hs-sites.com/amilia-test/blog/insecure-tls-certificate-checking-in-android-apps