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Previous ciphertext block - PowerPoint PPT Presentation

Introduction

Introduction

Introduction. ECE 424 / CS 463: Computer Security. Administrative Aspects. Course web page: http://www.crhc.uiuc.edu/~yihchun/424 Syllabus: Midterm date TBA. Please report any conflicts. Probably around 10/16 or later Project: Free-form, groups of 1-3 Make-up Classes.

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Chapter 8 Encipherment Using Modern Symmetric-Key Ciphers

Chapter 8 Encipherment Using Modern Symmetric-Key Ciphers

Chapter 8 Encipherment Using Modern Symmetric-Key Ciphers. 8-1 USE OF MODERN BLOCK CIPHERS. Symmetric-key encipherment can be done using modern block ciphers. Modes of operation have been devised to encipher text of any size employing either DES or AES. 8-1 Continued.

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1.09k views • 46 slides
Chapter 8 Encipherment Using Modern Symmetric-Key Ciphers

Chapter 8 Encipherment Using Modern Symmetric-Key Ciphers

Chapter 8 Encipherment Using Modern Symmetric-Key Ciphers. 8-1 USE OF MODERN BLOCK CIPHERS. Symmetric-key encipherment can be done using modern block ciphers. Modes of operation have been devised to encipher text of any size employing either DES or AES. 8-1 Continued.

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498 views • 46 slides
More on Cryptography CS 236 On-Line MS Program Networks and Systems Security Peter Reiher

More on Cryptography CS 236 On-Line MS Program Networks and Systems Security Peter Reiher

More on Cryptography CS 236 On-Line MS Program Networks and Systems Security Peter Reiher. Outline. Desirable characteristics of ciphers Stream and block ciphers Cryptographic modes Uses of cryptography Symmetric and asymmetric cryptography Digital signatures.

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393 views • 29 slides

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