Cryptography SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 10182021 pag 2

  • Slides: 31
Download presentation
Cryptography

Cryptography

SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 10/18/2021 | pag. 2

SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 10/18/2021 | pag. 2

Block Ciphers Symmetric Cryptosystems 10/18/2021 | pag. 3

Block Ciphers Symmetric Cryptosystems 10/18/2021 | pag. 3

Block Ciphers: Modes of Use • ECB: Electronic Codebook • CBC: Cipherblock Chaining •

Block Ciphers: Modes of Use • ECB: Electronic Codebook • CBC: Cipherblock Chaining • CFB: Cipher Feedback • OFB: Output Feedback Cryptography 10/18/2021 | pag. 4

Block Ciphers: Classical examples • Affine Cipher • Affine Linear and Linear Cipher •

Block Ciphers: Classical examples • Affine Cipher • Affine Linear and Linear Cipher • Vigenère • Hill We first need some linear algebra! Symmetric Cryptosystems 10/18/2021 | pag. 5

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 6

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 6

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 7

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 7

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 8

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 8

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 9

Intermezzo: Greatest Common Divisor Symmetric Cryptosystems 10/18/2021 | pag. 9

Intermezzo: Greatest Common Divisor Cryptography 10/18/2021 | pag. 10

Intermezzo: Greatest Common Divisor Cryptography 10/18/2021 | pag. 10

Intermezzo: Euclidean Algorithm Cryptography 10/18/2021 | pag. 11

Intermezzo: Euclidean Algorithm Cryptography 10/18/2021 | pag. 11

Intermezzo: Euclidean Algorithm Cryptography 10/18/2021 | pag. 12

Intermezzo: Euclidean Algorithm Cryptography 10/18/2021 | pag. 12

Intermezzo: Euclidean Algorithm Cryptography 10/18/2021 | pag. 13

Intermezzo: Euclidean Algorithm Cryptography 10/18/2021 | pag. 13

Intermezzo: Extended Euclidean Algorithm Cryptography 10/18/2021 | pag. 14

Intermezzo: Extended Euclidean Algorithm Cryptography 10/18/2021 | pag. 14

Intermezzo: Extended Euclidean Algorithm Cryptography 10/18/2021 | pag. 15

Intermezzo: Extended Euclidean Algorithm Cryptography 10/18/2021 | pag. 15

Intermezzo: Extended Euclidean Algorithm Cryptography 10/18/2021 | pag. 16

Intermezzo: Extended Euclidean Algorithm Cryptography 10/18/2021 | pag. 16

Intermezzo: Invertible Elements in a Residue Class Ring Cryptography 10/18/2021 | pag. 17

Intermezzo: Invertible Elements in a Residue Class Ring Cryptography 10/18/2021 | pag. 17

Intermezzo: Invertible Elements in a Residue Class Ring Cryptography 10/18/2021 | pag. 18

Intermezzo: Invertible Elements in a Residue Class Ring Cryptography 10/18/2021 | pag. 18

Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 19

Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 19

Example: Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 20

Example: Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 20

Example: Cryptanalysis of the Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 21

Example: Cryptanalysis of the Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 21

Example: Cryptanalysis of the Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 22

Example: Cryptanalysis of the Affine Cipher Symmetric Cryptosystems 10/18/2021 | pag. 22

Intermezzo: Matrices over Rings Cryptography 10/18/2021 | pag. 23

Intermezzo: Matrices over Rings Cryptography 10/18/2021 | pag. 23

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 24

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 24

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 25

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 25

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 26

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 26

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 27

Intermezzo: Invertible Matrices Cryptography 10/18/2021 | pag. 27

Intermezzo: Affine Linear Functions Cryptography 10/18/2021 | pag. 28

Intermezzo: Affine Linear Functions Cryptography 10/18/2021 | pag. 28

Intermezzo: Affine Linear Functions Cryptography 10/18/2021 | pag. 29

Intermezzo: Affine Linear Functions Cryptography 10/18/2021 | pag. 29

Affine Linear Cipher Cryptography 10/18/2021 | pag. 30

Affine Linear Cipher Cryptography 10/18/2021 | pag. 30

Affine Linear Cipher Cryptography 10/18/2021 | pag. 31

Affine Linear Cipher Cryptography 10/18/2021 | pag. 31

Cryptography SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 1272020 pag 2Cryptography SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 1272020 pag 2
Cryptography PUBLIC KEY CRYPTOSYSTEMS Symmetric Cryptosystems 942021 pagCryptography PUBLIC KEY CRYPTOSYSTEMS Symmetric Cryptosystems 942021 pag
SYMMETRIC CRYPTOGRAPHY THE BASICS SYMMETRIC CRYTPOGRAPHY Symmetric keySYMMETRIC CRYPTOGRAPHY THE BASICS SYMMETRIC CRYTPOGRAPHY Symmetric key
Symmetric Cryptography Asymmetric Cryptography and Digital Signatures SymmetricSymmetric Cryptography Asymmetric Cryptography and Digital Signatures Symmetric
Cryptography and Network Security Classical cryptosystems Symmetric EncryptionCryptography and Network Security Classical cryptosystems Symmetric Encryption
Thermodynamics 10182021 RAT 11 10182021 Class Objectives BeThermodynamics 10182021 RAT 11 10182021 Class Objectives Be
ABDOMINAL TRAUMA 10182021 1 10182021 2 PRINSIP PENANGANANABDOMINAL TRAUMA 10182021 1 10182021 2 PRINSIP PENANGANAN
Introduction to Cryptography What is cryptography Symmetrickey cryptosystemsIntroduction to Cryptography What is cryptography Symmetrickey cryptosystems
Introduction to Cryptography Historical Cryptosystems Classical Cryptography IntroductionIntroduction to Cryptography Historical Cryptosystems Classical Cryptography Introduction
Cryptography Modern Cryptosystems Asim Shahzad Overview Classical CryptographyCryptography Modern Cryptosystems Asim Shahzad Overview Classical Cryptography
Intro to Cryptography Symmetric Key Cryptography 8 1Intro to Cryptography Symmetric Key Cryptography 8 1
RSA Ramki Thurimella PublicKey Cryptography Symmetric cryptography sameRSA Ramki Thurimella PublicKey Cryptography Symmetric cryptography same
CS 5323 Cryptography Basics and Symmetric Cryptography ProfCS 5323 Cryptography Basics and Symmetric Cryptography Prof
Cryptography Basics 1 Cryptography Basic terminologies Symmetric keyCryptography Basics 1 Cryptography Basic terminologies Symmetric key
Cryptography Gerard Klonarides What is cryptography Symmetric EncryptionCryptography Gerard Klonarides What is cryptography Symmetric Encryption
Cryptography r Overview r Symmetric Key Cryptography rCryptography r Overview r Symmetric Key Cryptography r
Public Key Cryptography Public Key Cryptography symmetric keyPublic Key Cryptography Public Key Cryptography symmetric key
Security Cryptography Why Cryptography Symmetric Encryption Key exchangeSecurity Cryptography Why Cryptography Symmetric Encryption Key exchange
JAARRAPPORT 2009 Inhoudsopgave Voorwoord pag 2 Samenvatting pagJAARRAPPORT 2009 Inhoudsopgave Voorwoord pag 2 Samenvatting pag
Pag 2 w i pinguini Pag 3 introduzionePag 2 w i pinguini Pag 3 introduzione
Francese La forma negativa pag 2 esercizi pagFrancese La forma negativa pag 2 esercizi pag
Giacomo Leopardi pag 926 945 pag 946 1019Giacomo Leopardi pag 926 945 pag 946 1019
CUPRNIS Introducere pag 3 Proiecte virtuale pag 7CUPRNIS Introducere pag 3 Proiecte virtuale pag 7
JAARRAPPORT 2011 Inhoud Voorwoord pag 2 Samenvatting pagJAARRAPPORT 2011 Inhoud Voorwoord pag 2 Samenvatting pag