Question
Consider the following mutual-authentication protocol, using shared key k and a (secure) block cipher (E, D): 1. Alice sends NA to Bob. 2. Bob replies
Consider the following mutual-authentication protocol, using shared key k and a (secure) block cipher (E, D):
1. Alice sends NA to Bob.
2. Bob replies with NB, Ek(NA).
3. Alice completes the handshake by sending Ek(NB Ek(NA)).
Show an attack against this protocol, and identify design principles violated by the protocol (allowing such attacks).
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Inductive Databases And Constraint Based Data Mining
Authors: Saso Dzeroski ,Bart Goethals ,Pance Panov
2010th Edition
1489982175, 978-1489982179
