In our original paper, the Twofish block cipher was introduced, and initial estimates of an upper bounds on the probability of a 12-round differential were given. These results used an imperfect model of Twofish. We present an improved model, and show that any 12-round differential characteristic has a probability of at most 2-102.8.
Click Here to download this article
Receive all the latest articles by email!
Get all articles delivered directly to your mailbox as and when they are released on WindowSecurity.com! Choose between receiving instant updates with the Real-Time Article Update, or a monthly summary with the Monthly Article Update. Sign up to the WindowSecurity.com Monthly Newsletter, written by George Chetcuti, BSc in Computing & IS (Honors), containing news, the hottest tips, security links of the month and much more. Subscribe today and don't miss a thing!