Class: FlattenedSign

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Builds and signs Flattened JWS objects.

This class is exported (as a named export) from the main 'jose' module entry point as well as from its subpath export 'jose/jws/flattened/sign'.

Example

const jws = await new jose.FlattenedSign(
  new TextEncoder().encode('It’s a dangerous business, Frodo, going out your door.'),
)
  .setProtectedHeader({ alg: 'ES256' })
  .sign(privateKey)

console.log(jws)

Constructors

Constructor

▸ new FlattenedSign(payload): FlattenedSign

Creates a Flattened JWS signer.

Parameters

Parameter	Type	Description
`payload`	`Uint8Array`	Binary representation of the payload to sign.

Returns

FlattenedSign

Methods

setProtectedHeader()

▸ setProtectedHeader(protectedHeader): this

Sets the JWS Protected Header. May only be called once.

Parameters

Parameter	Type	Description
`protectedHeader`	`JWSHeaderParameters`	JWS Protected Header.

Returns

this

setUnprotectedHeader()

▸ setUnprotectedHeader(unprotectedHeader): this

Sets the JWS Unprotected Header. May only be called once.

Parameters

Parameter	Type	Description
`unprotectedHeader`	`JWSHeaderParameters`	JWS Unprotected Header.

Returns

this

sign()

▸ sign(key, options?): Promise<FlattenedJWS>

Signs the payload as a Flattened JWS.

Parameters

Parameter	Type	Description
`key`	`KeyInput`	Private key or shared secret. See Algorithm Key Requirements.
`options?`	`SignOptions`	JWS Sign options.

Returns

Promise<FlattenedJWS>