Date Published: July 2018
Comments Due: October 22, 2018 (public comment period is CLOSED)
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Luís Brandão (NIST), Nicky Mouha (NIST), Apostol Vassilev (NIST)
This publication provides a high-level overview of the possibilities that threshold schemes bring for enhancing the robustness of cryptographic primitive implementations. With its release, NIST also intends to initiate a discussion about the standardization of threshold schemes.
The goal of this document is to help readers understand the challenges and opportunities offered by threshold cryptography, typically as a tradeoff between different security properties desired in implementations of cryptographic primitives (e.g., signatures, encryption). Draft NISTIR 8214 also considers the implications of potential standardization for the validation and use of practical implementations of threshold cryptographic schemes.
Keywords threshold schemes; secure implementations; cryptographic primitives; threshold cryptography; secure multi-party computation; intrusion tolerance; distributed systems; resistance to side-channel attacks; standards and validation