Artem Chernyshev ce63abb219
feat: add KMS assisted encryption key handler
Talos now supports new type of encryption keys which rely on Sealing/Unsealing randomly generated bytes with a KMS server:

```
systemDiskEncryption:
  ephemeral:
    keys:
      - kms:
          endpoint: https://1.2.3.4:443
        slot: 0
```
gRPC API definitions and a simple reference implementation of the KMS server can be found in this
[repository](https://github.com/siderolabs/kms-client/blob/main/cmd/kms-server/main.go).

Signed-off-by: Artem Chernyshev <artem.chernyshev@talos-systems.com>
2023-07-07 19:02:39 +03:00
..
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2020-01-26 20:47:25 -08:00
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