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Lux KMS

MPC Integration

Threshold key management for MPC nodes

KMS provides key share storage and backup for MPC nodes.

Key Share Backup

  1. Key shares exported from ZapDB
  2. Encrypted with scrypt + AES-256-GCM using KMS-derived backup key
  3. Stored to S3 with org-prefixed paths
  4. Can be restored to a new node

PKI / Certificates

X.509 certificate authority

Kubernetes Operator

CRDs for automated secret management

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Key Share Backup