7 papers
Opportunities and Challenges in Securely Reusing and Repurposing Mobile Devices
Adelin Roty, Jan Tobias Mühlberg, Jean-François Determe
An estimated 5.3 billion mobile phones became electronic waste in 2022. Many of these devices can be repurposed and used in different contexts to extend their lifetime and to reduc…
Resistance Technologies: Moving Beyond Alternative Designs
Iness Ben Guirat, Jan Tobias Muehlberg
The discourse about sustainable technology has emerged from the acknowledgment of the environmental collapse we are facing. In this paper, we argue that addressing this crisis requ…
Mon CHÃRI: Mitigating Uninitialized Memory Access with Conditional Capabilities
Merve Gülmez, Håkan Englund, Jan Tobias Mühlberg +1
Up to 10% of memory-safety vulnerabilities in languages like C and C++ stem from uninitialized variables. This work addresses the prevalence and lack of adequate software mitigatio…
Systematic Assessment of Cache Timing Vulnerabilities on RISC-V Processors
Cédrick Austa, Jan Tobias Mühlberg, Jean-Michel Dricot
While interest in the open RISC-V instruction set architecture is growing, tools to assess the security of concrete processor implementations are lacking. There are dedicated tools…
Friend or Foe Inside? Exploring In-Process Isolation to Maintain Memory Safety for Unsafe Rust
Merve Gülmez, Thomas Nyman, Christoph Baumann +1
Rust is a popular memory-safe systems programming language. In order to interact with hardware or call into non-Rust libraries, Rust provides \emph{unsafe} language features that s…
Exploring Privacy and Security as Drivers for Environmental Sustainability in Cloud-Based Office Solutions
Jason Kayembe, Iness Ben Guirat, Jan Tobias Mühlberg
In this paper, we explore the intersection of privacy, security, and environmental sustainability in cloud-based office solutions, focusing on quantifying user- and network-side en…