encrypt
abstract suspend fun encryptTargetedMessage(conversationId: ConversationId, recipient: ClientId, policy: TargetedMessagePolicy, message: ByteArray): ByteArray(source)
Encrypts a plaintext message for one member of the given conversation.
Any feature using a targeted, transient or transient targeted message MUST specify why the lower security guarantees (compared to MLS application messages) are acceptable and/or how they are mitigated.