Interface: Channel

Both sides' sealed channel. Each direction has its own key, and each message is bound to its type and to its place in its direction (seq, from 0).

Methods

derive(label, length): Promise<Uint8Array<ArrayBufferLike>>;

Bytes only this exchange gives, under label with the transcript appended: pairing's short code

Parameter	Type
`label`	`string`
`length`	`number`

Promise<Uint8Array<ArrayBufferLike>>

open(type, sealed): Promise<Uint8Array<ArrayBufferLike> | null>;

Opens the other side's next message; null for anything else, which leaves the count where it was

Parameter	Type
`type`	`string`
`sealed`	`unknown`

Promise<Uint8Array<ArrayBufferLike> | null>

seal(type, plaintext): Promise<string>;

Seals this side's next message: base64url of an envelope

Parameter	Type
`type`	`string`
`plaintext`	`Uint8Array`

Promise<string>