Merge branch 'master' of https://git.home.spale.com/public/libchat6

README.md

 * Each client will randomly add a certain amount of time to its own metric to avoid disclosing its identifiy to any incoming connection.
 * ... ?
 
+## notes
+* replace RSA by Ed25519
+* use TAI64 for timestamps
+
 ## Protocol
 
 ```
 
 ### PROOF
 
-The PROOF token proves the origin and signs the message. It is composed of the hash of the client concatenated with a SHA256 of the message without the TIMESTAMP, PROOF and with a metric value of 0.
+The PROOF token proves the origin and signs the message. It is composed of the hash of the client concatenated with a SHA256 of the message without the PROOF and with a metric value of 0.
 
 ### Key=value pairs