rf4ce

RF4CE Security: An Overview

By Marcus Barbu

August 27, 2019

In this post, we continue our series on RF4CE by discussing the mechanisms the protocol uses for security. We encourage you to read the first post for background on the purpose of this post and discussion of security levels and keying techniques. This post will explain how RF4CE devices pair and how payloads are encrypted and protected. Additionally, we’ll explain some of the problems with RF4CE security, and discuss potential remediations.

Continue reading

RF4CE Protocol Introduction

By Marcus Barbu

August 19, 2019

In the course of security assessments we often come across protocols and communication methods that are not widely known outside of specific industry use. This article is the first in a series of deep dives on one such protocol, RF4CE. In this article, we talk about the background of RF4CE and its use cases, as well as providing an introduction to the basics of RF4CE.

Continue reading