The base64-encoded variant of a PkMessage.
This can be useful if the encrypted message should be put into JSON.
Creates a new base64-encoded encrypted message from its parts.
The base64-encoded ciphertext.
The base64-encoded ephemeral public key.
The base64-encoded message authentication code (MAC).
The base64-encoded variant of a PkMessage.
This can be useful if the encrypted message should be put into JSON.