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Implemented per <https://filippo.io/hpke-pq>, which itself derives from <https://datatracker.ietf.org/doc/html/draft-ietf-hpke-pq-03>. These sizes correspond to the encoded sizes of the encapsulating keys and ciphertexts, which are calculated as `KEM.Nek + Group.Nelem` and `KEM.Nct + Group.Nelem` respectively. The X-Wing sizes were already present due to being rounder numbers.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
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Coverage 100.00% 100.00%
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Files 7 7
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tarcieri
approved these changes
Apr 24, 2026
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Implemented per https://filippo.io/hpke-pq, which itself derives from https://datatracker.ietf.org/doc/html/draft-ietf-hpke-pq-03. These sizes correspond to the encoded sizes of the encapsulating keys and ciphertexts, which are calculated as
KEM.Nek + Group.NelemandKEM.Nct + Group.Nelemrespectively.The X-Wing sizes were already present due to being rounder numbers.