'Semantic security' diaporamas de présentation

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436 views • 43 slides

CS363

Week 12 - Wednesday. CS363. Last time. What did we talk about last time? Making a business case for security Quantifying security. Questions?. Project 3. Security alert: Heartbleed.

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Eran Tromer Slides credit: Vinod Vaikuntanathan (U. Toronto)

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The RSA Cryptosystem and Factoring Integers (II)

The RSA Cryptosystem and Factoring Integers (II). Rong-Jaye Chen. OUTLINE. [1] Modular Arithmetic Algorithms [2] The RSA Cryptosystem [3] Quadratic Residues [4] Primality Testing [5] Square Roots Modulo n [6] Factoring Algorithms [7] Other Attacks on RSA [8] The Rabin Cryptosystem

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The RSA Cryptosystem and Factoring Integers (II)

The RSA Cryptosystem and Factoring Integers (II). Rong-Jaye Chen. OUTLINE. [1] Modular Arithmetic Algorithms [2] The RSA Cryptosystem [3] Quadratic Residues [4] Primality Testing [5] Square Roots Modulo n [6] Factoring Algorithms [7] Other Attacks on RSA [8] The Rabin Cryptosystem

301 views • 29 slides

PRPs and PRFs

PRPs and PRFs. Abstract ciphers: PRPs and PRFs, Security models for encryption, Analysis of CBC and counter mode. CS255 : Winter 2007. Dan Boneh, Stanford University. PRPs and PRFs. Pseudo Random Function ( PRF ) defined over (K,X,Y): F: K ? X ? Y

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PRPs and PRFs

PRPs and PRFs. Abstract ciphers: PRPs and PRFs, Security models for encryption, Analysis of CBC and counter mode. CS255 : Winter 2007. Dan Boneh, Stanford University. PRPs and PRFs. Pseudo Random Function ( PRF ) defined over (K,X,Y): F: K ? X ? Y

249 views • 24 slides

PRPs and PRFs

PRPs and PRFs. Abstract ciphers: PRPs and PRFs, Security models for encryption, Analysis of CBC and counter mode. CS255 : Winter 2008. Dan Boneh, Stanford University. PRPs and PRFs. Pseudo Random Function ( PRF ) defined over (K,X,Y): F: K ? X ? Y

246 views • 24 slides

Probabilistic Polynomial-Time Calculus

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Security proofs for practical encryption schemes

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Modes of operation: one time key

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