From a European perspective, the proposed activities in FutureTPM will complement and strengthen already ongoing research activities. Furthermore, the FutureTPM will build from previous efforts and is connected to other related projects:

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expandPROMETHEUS (H2020-DS-LEIT-2017, 01/2018 - 12/2021)

PROMETHEUS aims to provide post-quantum signature schemes, encryption schemes and privacy-preserving protocols relying on lattice. This requires to explore:
Cryptographic foundations. Provide solid foundations for the design of privacy-preserving cryptographic protocols resisting quantum adversaries. These include:

  • clarifying the exact hardness of algorithmic lattice problems in the classical and quantum settings;
  • determining the relationships between the diverse lattice problems.
Basic tools related to lattices. Enable the secure and practical applicability of lattice trapdoors, which typically consist of a short basis of some lattice and have been central tools in the design of many lattice- based cryptographic protocols.
Signature and encryption schemes. Design and implement better lattice-based signatures, encryption, commitment schemes and zero-knowledge proof systems that can easily be combined altogether in higher- level protocols, and prove their security even against side-channel attacks.
Privacy-preserving protocols. Provide concrete realisations of advanced privacy-preserving protocols. These include the construction and implementation of:
  • anonymous credentials and related mechanisms (group signatures, anonymous attestations, etc.);
  • truly anonymous e-cash systems and their generalizations;
  • electronic voting and other tools for e-democracy;
  • cryptographic tools related to cyber threat intelligence.

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