Function addRecipient

addRecipient(
    envelope: Envelope,
    recipient: Encrypter,
    contentKey: SymmetricKey,
    options?: RecipientOptions,
): Envelope
Adds a hasRecipient assertion holding contentKey sealed to the recipient's public key (the reference's add_recipient / add_recipient_opt): the plaintext is the key's tagged CBOR.
Parameters
- envelope: Envelope
- recipient: Encrypter
  The recipient's public key (implements Encrypter)
- contentKey: SymmetricKey
  The symmetric key used to encrypt the envelope's subject
- options: RecipientOptions = {}
  A fixed nonce for the sealed message, or an rng for the ephemeral key and the nonce
Returns Envelope
A new envelope with the recipient assertion added

Throws
EnvelopeError Components (components error: <message>, cause the ComponentsError) when components cannot seal to the key (a low-order X25519 public key)
- Defined in extension/recipient.ts:70