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Post-Quantum PASETO (v5, v6) #36

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@paragonie-security paragonie-security commented Sep 5, 2024

v5 is like v3, but public is replaced with ML-DSA-87 rather than ECDSA

v6 is like v4, but public is replaced with SLH-DSA-SHA256-128s rather than Ed25519

See paseto-standard/paserk#22 for the congruent PASERK change

v5 is like v3, but public is replaced with ML-DSA-44 rather than ECDSA
v6 is like v4, but public is replaced with SLH-DSA-SHA256-128s rather than Ed25519
docs/Rationale-V5-V6.md Outdated Show resolved Hide resolved
Although this explodes the bandwidth overhead by a factor of 2, this mode is compatible with CNSA 2.0's requirements.
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(Test vectors will be generated once this pull request has been merged, and our reference implementation has been updated to accommodate the new algorithms.)

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@brycx brycx mentioned this pull request Sep 6, 2024
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3 participants