# A256KWKey

Defined in: [packages/filecoin-encryption-envelope/src/recipients/types.ts:17](https://github.com/FilOzone/synapse-sdk/blob/e853a1d93da8c983371ffce4424cdb8996cc06ff/packages/filecoin-encryption-envelope/src/recipients/types.ts#L17)

A caller-held AES-256 KEK for unwrapping A256KW recipients.

## Properties

### kek

> `readonly` **kek**: [`Uint8Array`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array)

Defined in: [packages/filecoin-encryption-envelope/src/recipients/types.ts:18](https://github.com/FilOzone/synapse-sdk/blob/e853a1d93da8c983371ffce4424cdb8996cc06ff/packages/filecoin-encryption-envelope/src/recipients/types.ts#L18)

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### kid?

> `readonly` `optional` **kid?**: [`Uint8Array`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array)\<`ArrayBufferLike`\>

Defined in: [packages/filecoin-encryption-envelope/src/recipients/types.ts:19](https://github.com/FilOzone/synapse-sdk/blob/e853a1d93da8c983371ffce4424cdb8996cc06ff/packages/filecoin-encryption-envelope/src/recipients/types.ts#L19)