'Dan boneh' diaporamas de présentation

What is in a name?

What is in a name?. Identity-based cryptography. How public-key crypto works. When you use public key cryptography, you can publish a value (public key) If it is a public encryption scheme , anybody may send encrypted messages to you using that key

464 views • 32 slides

Public Key Encryption with keyword Search

Public Key Encryption with keyword Search. Author: Dan Boneh Rafail Ostroversity Giovanni Di Crescenzo Giuseppe Persiano Presenter: ???. Problem(1/2). user. untrusted server. Pre-stored data. Search. Ciphertext. Problem(2/2). User1(Alice). User2(Bob). send. receive.

711 views • 27 slides

Timing Attacks to RSA

980 views • 26 slides

Review: PRPs and PRFs

Online Cryptography Course Dan Boneh. Using block ciphers. Review: PRPs and PRFs. Block ciphers: crypto work horse. n bits. n bits. E, D. PT Block. CT Block. Key. k bits. Canonical examples: 3DES: n= 64 bits, k = 168 bits

214 views • 12 slides

Format preserving encryption

Online Cryptography Course Dan Boneh. Odds and ends. Format preserving encryption. Encrypting credit card numbers. Goal: end-to-end encryption Intermediate processors expect to see a credit card number

496 views • 8 slides