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Cryptography is critical for securing data at rest or in transit over the IoT. But cryptography fails when a device uses easy-to-guess (weak) keys generated from low-entropy random data. Standard deterministic computers have trouble producing good randomness, especially resource-constrained IoT-class devices that have little opportunity to collect local entropy before they begin network communications. The best sources of true randomness are based on unpredictable physical phenomena, such as...
A main goal of circuit masking is to make more difficult the illegitimate exfiltration of secrets from a circuit evaluation. Masking schemes use secret-sharing of the input bits of a circuit and recompile the circuit logic to ensure that important properties of the secret sharing remain across the circuit evaluation. At this stage, the Masked Circuits (MC) project is not considering actions toward standardization. However, there is a plan to create a library of masked circuits (specified at the...
The multi-party paradigm of threshold cryptography enables threshold schemes, for a secure distribution of trust in the operation of cryptographic primitives. New (2023-Jan-25): NIST IR 8214C ipd: NIST First Call for Multi-Party Threshold Schemes (initial public draft). DOI: 10.6028/NIST.IR.8214C.ipd. Public comments due 2023-Apr-10 (there is a suggested template). Upcoming (1st half of 2023): NIST IR 8214B (final) — Notes on Threshold EdDSA/Schnorr Signatures (To publish after revising its...
Include revised/updated text from http://csrc.nist.gov/groups/ST/toolkit/rng/index.html ?? --> Cryptography and security applications make extensive use of random numbers and random bits. However, constructing random bit generators and validating these generators are very challenging. The SP 800 90 series provides guidelines and recommendations for generating random numbers for cryptographic use, and has three parts: SP 800-90A, Recommendation for Random Number Generation Using...