/* Verifies that a PolicyApproveMessage has been properly constructed.
*
* Arguments:
* su = the suite that the insurer's public key was derived from.
* insuredKey = the public key of the insured or the client
* insurerKey = the public key of the insurer or "trustee"
*
* Returns:
* whether or not the message is valid.
*/
func (msg *PolicyApprovedMessage) verifyCertificate(su abstract.Suite,
insuredKey abstract.Point) bool {
set := anon.Set{msg.PubKey}
_, err := anon.Verify(su, msg.Message, set, nil, msg.Signature)
correctMsg := msg.PubKey.String() + " insures " + insuredKey.String()
return err == nil && correctMsg == string(msg.Message)
}
// NewServerIdentity creates a new ServerIdentity based on a public key and with a slice
// of IP-addresses where to find that entity. The Id is based on a
// version5-UUID which can include a URL that is based on it's public key.
func NewServerIdentity(public abstract.Point, addresses ...string) *ServerIdentity {
url := NamespaceURL + "id/" + public.String()
return &ServerIdentity{
Public: public,
Addresses: addresses,
ID: ServerIdentityID(uuid.NewV5(uuid.NamespaceURL, url)),
}
}
/* Adds a new connection to the connection manager
*
* Arguments:
* theirkey = the key of the peer that this server wishes to connect to
*
* Returns:
* An error denoting whether creating the new connection was successful.
*/
func (gcm *ChanConnManager) AddConn(theirKey abstract.Point) error {
newConn, err := coconet.NewGoConn(gcm.dir, gcm.pubKey.String(),
theirKey.String())
if err != nil {
return err
}
gcm.peerMap[theirKey.String()] = newConn
return nil
}
func (c *Coordinator) AddClient(key abstract.Point, val *net.UDPAddr) {
// delete the client who has same ip address
for k, v := range c.Clients {
if v.String() == val.String() {
delete(c.Clients, k)
break
}
}
c.Clients[key.String()] = val
}
/* Creates a new policy-approved message
*
* Arguments:
* kp = the private/public key of the insuring server.
* theirKey = the public key of the server who requested the insurance
*
* Returns:
* A new policy approved message.
*
* NOTE:
* The approved certificate is a string of the form:
* "My_Public_Key insures Their_Public_Key"
*
* It will always be of this form for easy validation.
*/
func (msg *PolicyApprovedMessage) createMessage(kp *config.KeyPair,
theirKey abstract.Point) *PolicyApprovedMessage {
set := anon.Set{kp.Public}
approveMsg := kp.Public.String() + " insures " + theirKey.String()
msg.PubKey = kp.Public
msg.Message = []byte(approveMsg)
msg.Signature = anon.Sign(kp.Suite, random.Stream, msg.Message,
set, nil, 0, kp.Secret)
return msg
}
/* Get a message from a given peer.
*
* Arguments:
* p = the public key of the origin
* bum = a buffer for receiving the message
*
* Returns:
* An error denoting whether the get to the buffer was successfull
*/
func (gcm ChanConnManager) Get(p abstract.Point, bum coconet.BinaryUnmarshaler) error {
return gcm.peerMap[p.String()].Get(bum)
}
/* Put a message to a given peer.
*
* Arguments:
* p = the public key of the destination
* data = the message to send
*
* Returns:
* An error denoting whether the put was successfull
*/
func (gcm *ChanConnManager) Put(p abstract.Point, data coconet.BinaryMarshaler) error {
return gcm.peerMap[p.String()].Put(data)
}
func (c *Coordinator) AddIntoRepMap(key abstract.Point, val []byte) {
keyStr := key.String()
c.ReputationKeyMap[keyStr] = key
c.ReputationMap[keyStr] = val
}
func (c *Coordinator) AddIntoDecryptedMap(key abstract.Point, val int) {
keyStr := key.String()
c.DecryptedKeysMap[keyStr] = key
c.DecryptedReputationMap[keyStr] = val
}
// get reputation
func (c *Coordinator) GetReputation(key abstract.Point) int {
return c.DecryptedReputationMap[key.String()]
}