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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?
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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.
Sindook Steward was featured in Open Source (68.6k followers), Developer Tools (516.3k followers), Artificial Intelligence (474.3k followers), GitHub (41.3k followers) and OpenAI Day (9 followers) on Product Hunt. Together, these topics include over 225.5k products, making this a competitive space to launch in.
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