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