Create a new encrypted attachment manually.
It needs encrypted data, stored in an Uint8Array, and a
media encryption
information,
as a JSON-encoded string.
The media encryption information aren't stored as a string: they are parsed, validated and fully deserialized.
ReadonlyencryptedThe actual encrypted data.
Warning: It returns a copy of the entire encrypted data; be nice with your memory.
ReadonlyhasCheck whether the media encryption info has been consumed by
Attachment.decrypt already.
ReadonlymediaReturn the media encryption info as a JSON-encoded string. The structure is fully valid.
If the media encryption info have been consumed already, it
will return null.
An encrypted attachment, usually created from
Attachment.encrypt.