Subversion-Resilient Authenticated Encryption without Random Oracles
In 2013, the Snowden revelations have shown subversion of cryptographic implementations to be a relevant threat. Since then, the academic...
Global Security News
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Undetectable Watermarks for Language Models
Recent advances in the capabilities of large language models such as GPT-4 have spurred increasing concern about our ability to...
How to Design Fair Protocols in the Multi-Blockchain Setting
Recently, there have been several proposals for secure computation with fair output delivery that require the use of a bulletin...
Nimble: Rollback Protection for Confidential Cloud Services (extended version)
This paper introduces Nimble, a cloud service that helps applications running in trusted execution environments (TEEs) to detect rollback attacks...
Time to Bribe: Measuring Block Construction Market
With the emergence of Miner Extractable Value (MEV), block construction markets on blockchains have evolved into a competitive arena. Following...
Efficient TFHE Bootstrapping in the Multiparty Setting
In this paper, we introduce a new approach to efficiently compute TFHE bootstrapping keys for (predefined) multiple users. Hence, a...
Scaling Mobile Private Contact Discovery to Billions of Users
Mobile contact discovery is a convenience feature of messengers such as WhatsApp or Telegram that helps users to identify which...
A Note on “On the Design of Mutual Authentication and Key Agreement Protocol in Internet of Vehicles-Enabled Intelligent Transportation System”
We remark that the key agreement scheme fails to keep anonymity and untraceability, because the user $U_k$ needs to invoke...
Hidden Desktop BOF: interact with a remote desktop session without the user knowing
Hidden Desktop BOF Hidden Desktop (often referred to as HVNC) is a tool that allows operators to interact with a...
Hidden Desktop BOF: interact with a remote desktop session without the user knowing
Hidden Desktop BOF Hidden Desktop (often referred to as HVNC) is a tool that allows operators to interact with a...