Table 7 Notations of BAN Logic.

From: An IoT based remote medical diagnosis system using one time pad cipher over MQTT protocol

Notation

Description

P | ≡ X

P believes the message from X

#X

The message is newly generated

P X

P sees the message of X

P | ~ X

P once said X

P = > X

P monitors and controls message of X

< X > Y

Formula X is combined with the formula Y

{X}k

Formula X is encrypted by the key K

k

P ↔ Q

Players P and Q communication using K as shared key

SK

Session key