LibrePortal/LibreLedger
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Start LibreLedger: an encrypted money ledger that stores only ciphertext

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LibreLedger is a single-person money ledger. The browser encrypts
everything (PBKDF2-HMAC-SHA256 with 250k iterations, then AES-256-GCM),
and a small standard-library Python server stores only the resulting
{v, salt, iv, ct} blob. Ledger files from the earlier Money Ledger version
open unchanged.

- On plain http to a LAN or VPN address, where browsers hide Web Crypto,
  the app switches to vendored @noble/hashes and @noble/ciphers 2.2.0 and
  says so on the lock screen. tests/crypto-interop.test.mjs shows both
  paths read each other's files.
- The server hands out only the app's own files, sends a self-only CSP,
  nosniff, frame denial and no-referrer, checks the shape of each blob,
  refuses cross-site writes and writes atomically. It keeps the last 10
  backups plus one per day for 30 days.
- The container runs that server from a digest-pinned python alpine
  image, as an unprivileged user, with its data in /data and a health
  check on /api/health.

Assisted-by: Claude Opus 5 <noreply@anthropic.com>
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2026-09-17 01:17:16 +01:00
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The MIT License (MIT)
Copyright (c) 2022 Paul Miller (https://paulmillr.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.