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#kem

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qbi

Die #NIST hat drei neue Standards zur #Verschlüsselung vorgestellt:

- FIPS 203: Module-Lattice-Based Key-Encapsulation Mechanism Standard csrc.nist.gov/pubs/fips/203/fi
- FIPS 204: Module-Lattice-Based Digital Signature Standard csrc.nist.gov/pubs/fips/204/fi
- FIPS 205: Stateless Hash-Based Digital Signature Standard csrc.nist.gov/pubs/fips/205/fi

nist.gov/news-events/news/2024
#postquantum #encryption #FIPS #DSA #KEM

CSRC | NIST · Federal Information Processing Standard (FIPS) 203, Module-Lattice-Based Key-Encapsulation Mechanism StandardA key-encapsulation mechanism (KEM) is a set of algorithms that, under certain conditions, can be used by two parties to establish a shared secret key over a public channel. A shared secret key that is securely established using a KEM can then be used with symmetric-key cryptographic algorithms to perform basic tasks in secure communications, such as encryption and authentication. This standard specifies a key-encapsulation mechanism called ML-KEM. The security of ML-KEM is related to the computational difficulty of the Module Learning with Errors problem. At present, ML-KEM is believed to be secure, even against adversaries who possess a quantum computer. This standard specifies three parameter sets for ML-KEM. In order of increasing security strength and decreasing performance, these are ML-KEM-512, ML-KEM-768, and ML-KEM-1024.
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