# encryption\_key

Aliases:

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`` `key` ``, `` `ek` ``

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If defined, enables JetStream filestore encryption using the value as the encryption key. A key length of at least 32 bytes is recommended. Note, this key is HMAC-256 hashed on startup which reduces the byte length to 64.

## Types

| Type     | Description | Choices |
| -------- | ----------- | ------- |
| `string` | -           | -       |