'2 byte circular shift' diaporamas de présentation

Symmetric Cryptography

CS461/ECE422. Symmetric Cryptography. Outline. Overview of Cryptosystem design Commercial Symmetric systems DES AES Modes of block and stream ciphers. Reading. Section 2.4-2.6 and 12.2 in Security in Computing Chapter 9 from Computer Science: Art and Science

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Advanced Encryption Standard (AES)

Advanced Encryption Standard (AES). History. AES is the result of an open competition organized by NIST, US Department of Commerce. NIST issued call for a standard cipher in 1997 15 candidates (out of 21) accepted in Jun 98 Five candidates are sort listed.

5.73k views • 62 slides

Chapters 5-6: Contemporary Symmetric Ciphers

Chapters 5-6: Contemporary Symmetric Ciphers. Triple DES Blowfish AES. Again Special Thanks to Dr. Lawrie Brown at the Australian Defense Force Academy whose PowerPoint slides provided the basis for these slides. Triple DES. A replacement for DES was needed theoretical attacks can break it

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Cryptography and Network Security Chapter 5

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Origins

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Origins

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University of Palestine

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Network Security

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Chapter 5 Advanced Encryption Standard

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PIS : Unit II Advanced Encryption Standard (AES)

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AES

209 views • 17 slides