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Sindook Steward
Threat-aware key rotation for encrypted files
An open-source local workbench for turning recipient changes into reviewable fast or deep key-rotation plans. GPT-5.6 Sol interprets ambiguous threat signals, while deterministic policy controls recipients, approval, and execution. Keys, plaintext, ciphertext, and commands stay outside the model. Run the bundled post-quantum sample vault with Docker, approve with ROTATE, and inspect evidence of what changed and what old copies still retain.
Hi Product Hunt, I built Sindook Steward after noticing that removing someone from an encrypted file is often described as if it were a single operation. It isn't. A recipient-header update and full payload re-encryption solve different threats, and neither can erase a copy someone already kept.
Steward turns that decision into a local, reviewable workflow. GPT-5.6 Sol interprets a short access request, but it never sees key material or plaintext and cannot execute anything. Deterministic policy chooses the operation, a literal ROTATE approval gates execution, and the proof ledger records both the result and the residual risk.
This is an open-source, sample-vault prototype, not production key management. I would especially value feedback from security engineers and maintainers: which policy or evidence integration would make this useful in a real workflow?
About Sindook Steward on Product Hunt
“Threat-aware key rotation for encrypted files”
Sindook Steward was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #71 on the daily leaderboard. An open-source local workbench for turning recipient changes into reviewable fast or deep key-rotation plans. GPT-5.6 Sol interprets ambiguous threat signals, while deterministic policy controls recipients, approval, and execution. Keys, plaintext, ciphertext, and commands stay outside the model. Run the bundled post-quantum sample vault with Docker, approve with ROTATE, and inspect evidence of what changed and what old copies still retain.
On the analytics side, Sindook Steward competes within Open Source, Developer Tools, Artificial Intelligence, GitHub and OpenAI Day — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Sindook Steward performed against the three products that launched closest to it on the same day.
Who hunted Sindook Steward?
Sindook Steward was hunted by Ruddro Roy. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Sindook Steward including community comment highlights and product details, visit the product overview.
Ruddro Roy