Sealing a 6 GB file without freezing your laptop
How the streaming sealer keeps memory flat, verifies every piece and resumes cleanly after a dropped connection.
NINadia Ivers · Oct 21, 2026 · 9 min
// journal
Notes from the vault.
Engineering write-ups, security thinking and product updates — written by the people who build AuroVault.
Engineering
Sealing a 6 GB file without freezing your laptop
A deep look at our streaming sealer: constant-memory encryption, per-piece verification and clean resume — with measurements from low-power machines.
NINadia Ivers, Head of Engineering · Oct 21, 2026 · 9 min read
What "we can't read your files" should actually mean
A practical checklist for judging any private-storage claim — including ours.
TKTomás Kerr · Oct 3, 2026 · 6 min
Introducing Spaces 2.0
Roles, an activity feed and per-space home regions are now available on every paid plan.
LOLena Okafor · Sep 12, 2026 · 4 min
Why we chose Argon2id and what it costs you
Key derivation is the quiet hero of a passphrase-based vault. Here is how we tuned it for phones and desktops alike.
NINadia Ivers · Aug 26, 2026 · 7 min
Our first independent penetration test
We hired two outside teams to attack AuroVault for six weeks. A summary of what they found and what we fixed.
TKTomás Kerr · Aug 9, 2026 · 5 min
The recovery kit: designing for people who forget
Zero-knowledge storage has a sharp edge. This is how we try to make it forgiving without weakening it.
LOLena Okafor · Jul 18, 2026 · 6 min
Share links, done carefully
Passphrases, expiry and download caps — the threat model behind our link design, and where it still falls short.
TKTomás Kerr · Jun 30, 2026 · 8 min
Picking regions: latency numbers from seven cities
Median first-byte times we measured from real client devices, and what they taught us about placement.
NINadia Ivers · Jun 11, 2026 · 6 min
Why AuroVault exists
A short letter from the founders on storage that should be private by default, not by upgrade.
LOLena Okafor · May 20, 2026 · 4 min