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draft-ietf-openpgp-pqc-02

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Post-Quantum Cryptography in OpenPGP (Internet-Draft, 2024)

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Post-Quantum Cryptography in OpenPGP

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https://datatracker.ietf.org/doc/html/draft-ietf-openpgp-pqc-02

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IETF Datatracker

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This document defines a post-quantum public-key algorithm extension for the OpenPGP protocol. Given the generally assumed threat of a cryptographically relevant quantum computer, this extension provides a basis for long-term secure OpenPGP signatures and ciphertexts. Specifically, it defines composite public-key encryption based on ML- KEM (formerly CRYSTALS-Kyber), composite public-key signatures based on ML-DSA (formerly CRYSTALS-Dilithium), both in combination with elliptic curve cryptography, and SLH-DSA (formerly SPHINCS+) as a standalone public key signature scheme.

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