WebFunds
SOX Comms Layer
Lower Comms layer is secure:
- 
    establish with Diffie-Hellman key exchange
  
 - 
    server authenticates using DSA key
  
 - 
    Server's DSA key signed by Top-level key
  
 - 
    Top-level distributed in Ricardian Contracts
  
 - 
    3-key T-DES (AES/Rijndael some day)
 
Once established, requests can be sent.