Bring Your Own Key (BYOK)

BYOK allows customers to import their own key material into QNSI KMS.

Overview

• Customer generates key material externally
• Key material wrapped for import
• QNSI stores and uses the imported key
• Customer retains a copy

Import process

Import wrapped key

POST /kms/v1/byok/import
{
  "tenantId": "<tenant_uuid>",
  "keyId": "my-imported-key",
  "wrappedKey": "<base64_wrapped_key>",
  "algorithm": "AES-256-GCM",
  "provider": "<provider>",
  "proof": {
    "signature": "<base64_signature>",
    "publicKey": "<base64_public_key>",
    "algorithm": "<signature_algorithm>"
  },
  "metadata": {}
}

Constraints

• Key material must match declared algorithm
• Key material validated on import

Key lifecycle

Imported keys follow normal lifecycle:

• Rotation (re-import new material)
• Revocation
• Destruction

Security considerations

• Customer responsible for source key security
• Transport protection via wrapping
• No key material export from QNSI