Articles by Alexandre Adamski

5 articles

This third article from the Samsung's TrustZone series details some vulnerabilities that were found and how they were exploited to obtain code execution in EL3.

Date Tue 17 December 2019
Authors Alexandre Adamski, Joffrey Guilbon, Maxime Peterlin
Category Reverse-Engineering

In this second blog post of our series on Samsung's TrustZone, we present the various tools that we have developed during our research to help us reverse engineer and exploit Trusted Applications as well as Secure Drivers.

Date Tue 10 December 2019
Authors Alexandre Adamski, Joffrey Guilbon, Maxime Peterlin
Category Reverse-Engineering

In this first article of a series of three, we will give a tour of the different components of Samsung's TrustZone, explain how they work and how they interact with each other.

Date Thu 02 August 2018
Author Alexandre Adamski
Category Reverse-Engineering

This blog post provides the reader with an overview of the Intel SGX technology, as a follow-up to SGX Internals. In this second part, we quickly explain how an application interacts with its enclave. We also detail what pieces of software are included within the SDK and PSW. Finally, we summarize the known attacks and concerns with this technology, as well as conclude on the subject.

Date Thu 05 July 2018
Author Alexandre Adamski
Category Reverse-Engineering

This blog-post provides the reader with an overview of the Intel SGX technology. In this first part, we explore the additions made to Intel platforms to support SGX, focusing on the processor and memory. We then explain the management and life cycle of an enclave. Finally, we detail two features of enclaves: secret sealing and attestation.