'Ciphertext pairs' presentation slideshows

Breaking Stuff: Cryptanalysis and Protocol Failures

802 views • 26 slides

Breaking Stuff: Cryptanalysis and Protocol Failures

450 views • 26 slides

Wireless Security

Wireless Security. Cyber Security Spring 2005. 802.11 or Wi-Fi. IEEE standard for wireless communication Operates at the physical/data link layer Operates at the 2.4 or 5 GHz radio bands 11 Mbps for 802.11b or 54 Mbps for 802.11a Wireless Access Point is the radio base station

340 views • 23 slides

WEP Case Study

Information Assurance Fall 2006. WEP Case Study. 802.11 or Wi-Fi. IEEE standard for wireless communication Operates at the physical/data link layer Operates at the 2.4 or 5 GHz radio bands Wireless Access Point is the radio base station

337 views • 20 slides

Symmetric Encryption Example: DES

Symmetric Encryption Example: DES. Weichao Wang. Overview of the DES. A block cipher: encrypts blocks of 64 bits using a 64 bit key outputs 64 bits of ciphertext A product cipher basic unit is the bit performs both substitution and transposition (permutation) on the bits

245 views • 15 slides