Source URL: https://eprint.iacr.org/2023/1529
Source: Hacker News
Title: Shufflecake: Plausible deniability for hidden filesystems on Linux (2023)
Feedly Summary: Comments
AI Summary and Description: Yes
Summary: The paper introduces Shufflecake, an innovative design for plausible deniability in encrypted data storage on Linux, enhancing security for sensitive users like whistleblowers and journalists. Its ability to support multiple hidden filesystems makes it a significant advance over prior tools like TrueCrypt and VeraCrypt.
Detailed Description:
Shufflecake represents a breakthrough in data security by providing plausible deniability for encrypted data on Linux systems. This technology is particularly relevant for individuals in high-risk environments, such as whistleblowers and human rights activists, who require robust solutions to safeguard their information against adversarial scrutiny.
Key Points of Shufflecake:
– **Plausible Deniability**: Allows users to deny the existence of encrypted data if confronted, making it difficult for adversaries to prove otherwise.
– **Native Linux Support**: Unlike previous tools, Shufflecake functions seamlessly on Linux and supports various filesystems, enhancing its flexibility.
– **Multiple Volumes**: Ability to manage multiple volumes on the same device, significantly complicating adversaries’ attempts to discern stored data.
– **Performance**: Benchmarked to show only a minor performance impact compared to standard encrypted setups, making it practical for everyday use.
– **Security Extensions**: While it does not inherently protect against multi-snapshot attacks, the authors propose extensions that could mitigate risks posed by more sophisticated adversaries.
– **Target Audience**: The design aims at protecting users facing threats from repressive regimes and criminal organizations, highlighting its importance for free expression.
This work not only advances the field of information security but also provides strategic tools for individuals navigating oppressive environments. Its implications for compliance, privacy, and personal safety are critical for security and privacy professionals focused on defending against data access threats.