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systemslibrarian / crypto-lab-lms-xmss

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Browser-based Leighton-Micali Signatures (LMS) and Hierarchical Signature System (HSS) demo per RFC 8554 and NIST SP 800-208. LM-OTS + Merkle trees + two-level HSS, with the state-management story told honestly.

cryptography lms sha-256 merkle-tree post-quantum-cryptography xmss hash-based-signatures winternitz hss digital-signatures crypto-lab hash-based-cryptography nist-sp-800-208 stateful-signatures leighton-micali-signatures hierarchical-signature-system lm-ots merkle-signatures rfc-8554
  • Updated Apr 19, 2026
  • TypeScript

systemslibrarian / crypto-lab-lms-ledger

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Browser-based LMS/HSS stateful hash-based signatures (NIST SP 800-208) — 32-leaf W-OTS+ key state grid, sign messages one at a time, live one-time key reuse attack with real forgery demo, HSS hierarchical tree explainer, and CNSA 2.0 firmware signing context. Part of crypto-lab.

typescript lms post-quantum-cryptography hash-based-signatures hss wots-plus vite crypto-lab browser-demo nist-sp-800-208 firmware-signing cryptography-education stateful-signatures cnsa-2 one-time-signature
  • Updated Jun 18, 2026
  • TypeScript

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