diff --git a/session.txt b/session.txt
new file mode 100644
index 0000000..fc8cfd3
--- /dev/null
+++ b/session.txt
@@ -0,0 +1,15 @@
+Session(private master key, public master peer key, bool strict, int timePerKey)
+
+List<Ed25519PublicKey> pubkeys
+List<Ed25519PrivKey> privkeys
+
+public:
+encrypt()
+decrypt()
+deleteExpired()
+
+
+byte[] SessionMessage(byte[] data)
+
+getNewKey()
+