http://ocw.cs.pub.ro/courses/ 2026-04-06T12:01:43+03:00 http://ocw.cs.pub.ro/courses/ http://ocw.cs.pub.ro/courses/lib/tpl/arctic/images/favicon.ico text/html 2018-11-27T11:05:59+03:00 http://ocw.cs.pub.ro/courses/ac/teme/01?rev=1543309559&do=diff Tema recuperare Exercise 1 - Timing attack In this exercise you will perform a timing attack against CBC-MAC. You are given access to a CBC-MAC oracle, which tests whether the received tag matches the one computed using the secret key. Timing attacks exploit naive equality comparisons between the received and computed MACs (for example, the comparison is done byte by byte; more checks means more latency).