# ChunkedEnvelopeParams

Defined in: [packages/filecoin-encryption-envelope/src/range/inspect.ts:28](https://github.com/FilOzone/synapse-sdk/blob/30608dd46e68d704a96d7ed7c24717c948ec4e4b/packages/filecoin-encryption-envelope/src/range/inspect.ts#L28)

Cached values from one chunked envelope's protected header, for range decryption to reuse.

## Properties

### chunkSize

> `readonly` **chunkSize**: `number`

Defined in: [packages/filecoin-encryption-envelope/src/range/inspect.ts:32](https://github.com/FilOzone/synapse-sdk/blob/30608dd46e68d704a96d7ed7c24717c948ec4e4b/packages/filecoin-encryption-envelope/src/range/inspect.ts#L32)

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### headerLength

> `readonly` **headerLength**: `number`

Defined in: [packages/filecoin-encryption-envelope/src/range/inspect.ts:31](https://github.com/FilOzone/synapse-sdk/blob/30608dd46e68d704a96d7ed7c24717c948ec4e4b/packages/filecoin-encryption-envelope/src/range/inspect.ts#L31)

Byte length of the envelope: where the detached ciphertext begins.

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### plaintextLength?

> `readonly` `optional` **plaintextLength?**: `number`

Defined in: [packages/filecoin-encryption-envelope/src/range/inspect.ts:33](https://github.com/FilOzone/synapse-sdk/blob/30608dd46e68d704a96d7ed7c24717c948ec4e4b/packages/filecoin-encryption-envelope/src/range/inspect.ts#L33)

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### scheme

> `readonly` **scheme**: `"chunked"`

Defined in: [packages/filecoin-encryption-envelope/src/range/inspect.ts:29](https://github.com/FilOzone/synapse-sdk/blob/30608dd46e68d704a96d7ed7c24717c948ec4e4b/packages/filecoin-encryption-envelope/src/range/inspect.ts#L29)