NAME
----
lot-request

DESCRIPTION
-----------
Requests a lot containing credentials for participating in
an anonymous voting.

ARGUMENTS
---------
- Event-Id
- Lot-Code
- Public-Key

RESPONSE
--------
Message of type lot with:
- Lot-Content (encrypted)

NOTES
-----
The sender of a lot-request message should create a temporary 
identity (key pair) which is used for signing and encrypting this 
single message only. It should be destroyed afterwards. The 
sender ID (From) may be chosen randomly.