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lxgr/brainchain

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5 mentions on Hacker News by 2 people: 1 story, 4 comments · first 2025-01-04 · latest 2026-02-28

Mentions per year 5 mentions · busiest year 2025 (3)
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  1. …be backed by exactly this, i.e. a HMAC-only stateless implementation backed by a single password: https://github.com/lxgr/brainchain No, not quite. It's written on there: > "Login" with your passphrase, and you can create non-discoverable…
    comment by valenterry · 2026-02-28 · in Don't use passkeys for encrypting user data
  2. …be backed by exactly this, i.e. a HMAC-only stateless implementation backed by a single password: https://github.com/lxgr/brainchain
    comment by lxgr · 2026-02-28 · in Don't use passkeys for encrypting user data
  3. …and Bitwarden all don't support attestation for synchronized credentials a.k.a. passkeys): https://github.com/lxgr/brainchain > Making it hard/impractical to maintain a reliable backup yourself sure makes those proprietary sync-based…
    comment by lxgr · 2025-11-24 · in Native Secure Enclave backed SSH keys on macOS
  4. …authenticators are “something you have.” Shameless plug: Here's one that is "something you know" :) https://github.com/lxgr/brainchain It derives all keypairs from a passphrase, and rederives the private key from the key handle, similar to…
    comment by lxgr · 2025-05-14 · in The cryptography behind passkeys