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software · published 2026-04-23

Resumable TLS without re-deriving the key schedule

A mechanism for resumable TLS sessions using post-quantum signatures that avoids re-deriving the key schedule on every reconnect.

Composite score

78/100

The closest prior art addresses either post-quantum handshake or stateless resumption but not both — the key-schedule shortcut is the distinguishing element.

Closest prior art

  1. #1 · usptosimilarity 62%

    Hybrid post-quantum handshake with session-ticket compression

    US20220167012A1 · Cloudflare, Inc. · published 2022-05-26
  2. #2 · arxivsimilarity 58%

    Amortized lattice signatures for secure session resumption

    arXiv:2309.04219 · unassigned · published 2023-09-08
  3. #3 · eposimilarity 47%

    Session ticket extension for stateless resumption

    EP3923514B1 · Ericsson · published 2021-12-15

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Memo watermark: 50search.com/search/pq-tls-resume-001

Resumable TLS without re-deriving the key schedule