of the Winter 2020 term, Classical cryptosystems · Classical cryptosystems & codebreaking...

1
Jenny Wilson • 26 March 2020 Classical cryptosystems & codebreaking This talk will give a brief history of some classical encryption techniques, and how to defeat them. Meeting virtually for the remainder of the Winter 2020 term, Thursdays at 4pm EDT

Transcript of of the Winter 2020 term, Classical cryptosystems · Classical cryptosystems & codebreaking...

Page 1: of the Winter 2020 term, Classical cryptosystems · Classical cryptosystems & codebreaking Classical cryptosystems & codebreaking Jenny Wilson • 26 March 2020 This talk will give

Classical cryptosystems&

codebreakingJenny Wilson • 26 March 2020

1

Classical cryptosystems&

codebreaking

Classical cryptosystems& codebreaking

Jenny Wilson • 26 March 2020

1 CryptosystemsCode – replace entire words by symbolsCipher – replace individual letters by symbols

2 Steganography

3 Steganography:invisible ink

• tattoo

• invisible ink

• microdots

• pinpricks

• ...

1

Classical cryptosystems&

codebreaking

Classical cryptosystems& codebreaking

Jenny Wilson • 26 March 2020

This talk will give a briefhistory of some classicalencryption techniques, andhow to defeat them.

1 CryptosystemsCode – replace entire words by symbolsCipher – replace individual letters by symbols

2 Steganography

3 Steganography:invisible ink

• tattoo

• invisible ink

• microdots

• pinpricks

1

Meeting virtually for the remainder of the Winter 2020 term, Thursdays at 4pm EDT

https://umich.instructure.com/courses/398182/assignments/syllabus

Codebreaking in the Roman Army

Codebreaking in the Roman Army

cryptosystems - arXiv

cryptosystems - arXiv

PUBLIC KEY CRYPTOSYSTEMS Symmetric Cryptosystems 6/05/2014 | pag. 2.

PUBLIC KEY CRYPTOSYSTEMS Symmetric Cryptosystems 6/05/2014 | pag. 2.

Other cryptosystems 1 CHAPTER 8: Other cryptosystems A large number of interesting and important cryptosystems have already been developed. In this chapter.

Other cryptosystems 1 CHAPTER 8: Other cryptosystems A large number of interesting and important cryptosystems have already been developed. In this chapter.

SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 6/05/2014 | pag. 2.

SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 6/05/2014 | pag. 2.

Ch 0. Classical Cryptosystems

Ch 0. Classical Cryptosystems

Lost without translation: Why codebreaking is not just a ...

Lost without translation: Why codebreaking is not just a ...

SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 20/10/2015 | pag. 2.

SYMMETRIC CRYPTOSYSTEMS Symmetric Cryptosystems 20/10/2015 | pag. 2.

Cryptography Modern Cryptosystems. Asim Shahzad2 Overview Classical Cryptography –Simple Cryptosystems –Cryptanalysis of Simple Cryptosystems Shannon’s.

Cryptography Modern Cryptosystems. Asim Shahzad2 Overview Classical Cryptography –Simple Cryptosystems –Cryptanalysis of Simple Cryptosystems Shannon’s.

PUBLIC KEY CRYPTOSYSTEMS Symmetric Cryptosystems 23/10/2015 | pag. 2.

PUBLIC KEY CRYPTOSYSTEMS Symmetric Cryptosystems 23/10/2015 | pag. 2.

Quantum Algorithms Towards quantum codebreaking

Quantum Algorithms Towards quantum codebreaking

Biometric Cryptosystems

Biometric Cryptosystems

Crypto 101: Encryption, Codebreaking, SSL and Bitcoin

Crypto 101: Encryption, Codebreaking, SSL and Bitcoin

A beginner's guide to codebreaking 1.1b

A beginner's guide to codebreaking 1.1b

Espionage Codebreaking: Mathematics of

Espionage Codebreaking: Mathematics of

Post-Quantum Cryptography - TEMET AG · Post-Quantum Cryptography. 16 Quantum Safe Cryptosystems CO Code Based Cryptosystems HA Hash Based Cryptosystems LA Lattice Based Cryptosystems

Post-Quantum Cryptography - TEMET AG · Post-Quantum Cryptography. 16 Quantum Safe Cryptosystems CO Code Based Cryptosystems HA Hash Based Cryptosystems LA Lattice Based Cryptosystems

2 classical cryptosystems

2 classical cryptosystems

Introduction to Cryptography Historical Cryptosystems Introduction to Cryptanalysis Breaking Historical Cryptosystems Classical Cryptography Presented.

Introduction to Cryptography Historical Cryptosystems Introduction to Cryptanalysis Breaking Historical Cryptosystems Classical Cryptography Presented.

Week three!. 8 groups of 2 6 rounds Ancient cryptosystems Newer cryptosystems Modern cryptosystems Encryption and decryptions Math Security.

Week three!. 8 groups of 2 6 rounds Ancient cryptosystems Newer cryptosystems Modern cryptosystems Encryption and decryptions Math Security.

CHAPTER 4: Classical (secret-key) cryptosystems

CHAPTER 4: Classical (secret-key) cryptosystems