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PRISMACLOUD
PRIvacy & Security MAintaining Services in the CLOUD
Engineering Cryptography for Security and Privacy in the Cloud

19Apr

Engineering Cryptography for Security and Privacy in the Cloud

We published an article in ERCIM News Magazine No. 113 April 2018, titled "Engineering Cryptography for Security and Privacy in the Cloud". The article can be found in ERCIM News No. 113 online edition  

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A Fast and Resource Efficient FPGA Implementation of Secret Sharing for Storage Applications

05Apr

A Fast and Resource Efficient FPGA Implementation of Secret Sharing for Storage Applications

Title A Fast and Resource Efficient FPGA Implementation of Secret Sharing for Storage Applications Authors Jakob Stangl (TU Wien) , Thomas Lorünser (AIT Austrian Institute of Technology), Sai Dinakarrao (TU Wien) Abstract Outsourcing data into the cloud gives wide benefits...

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Highly-Efficient Fully-Anonymous Dynamic Group Signatures

05Apr

Highly-Efficient Fully-Anonymous Dynamic Group Signatures

Group signatures are a central tool in privacy-enhancing cryptography, which allow members of a group to anonymously produce signatures on behalf of the group. Consequently, they are an attractive means to implement privacy-friendly authentication mechanisms. Ideally, group signatures are...

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D7.9 Second release of software modules for use case integration and validation

28Mar

D7.9 Second release of software modules for use case integration and validation

This report provides the final overview of the work done in the frame of task T7.4 - Software development of framework and components to realize use cases. This is the third report of the task, an iteration over deliverable...

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D5.11 Verifiable computing techniques and integrity preserving modifications for data managed by secure storage solutions

28Mar

D5.11 Verifiable computing techniques and integrity preserving modifications for data managed by secure storage solutions

PRISMACLOUD aims at bringing novel cryptographic concepts and methods to practical application, to improve the security and privacy of cloud based services, and make them usable for providers and users. The purpose of this deliverable is to extend the architecture...

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Einsetzbare Kryptografie für die Cloud

09Mar

Einsetzbare Kryptografie für die Cloud

Title Einsetzbare Kryptografie für die Cloud Authors Henrich C. Pöhls (University of Passau) and Thomas Länger (University of Laussane) Abstract tba Journal  Zeitschrift für Datenrecht und informationssicherheit (digma). Jahrgang 17, Heft 1, März 2017

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Chameleon-Hashes with Dual Long-Term Trapdoors and Their Applications

05Mar

Chameleon-Hashes with Dual Long-Term Trapdoors and Their Applications

A chameleon-hash behaves likes a standard collision-resistant hash function for outsiders. If, however, a trapdoor is known, arbitrary collisions can be found. Chameleon-hashes with ephemeral trapdoors (CHET; Camenisch et al., PKC 17) allow prohibiting that the holder of the...

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Performing Computations on Hierarchically Shared Secrets

05Mar

Performing Computations on Hierarchically Shared Secrets

Hierarchical secret sharing schemes distribute a message to a set of shareholders with different reconstruction capabilities. In distributed storage systems, this is an important property because it allows to grant more reconstruction capability to better performing storage servers and...

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4th PRISMACLOUD Newsletter - January 2018

29Jan

4th PRISMACLOUD Newsletter - January 2018

The fourth issue of the PRISMACLOUD newsletter that will keep you updated about our scientific progress and achievements, and future events where we will participate. In particular, this fourth issue contains a short description of the PRISMACLOUD Services, a...

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UniGuard: Protecting Unikernels using Intel SGX

16Jan

UniGuard: Protecting Unikernels using Intel SGX

Computations executed in lightweight virtual machines called unikernels have a minimal attack surface and improved performance. However, unikernels are still prone to leaking information to the operating system or to the hypervisor that hosts them. This is attributed to...

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