'Bob computes' diaporamas de présentation

Cannonballs, Donuts, and Secrets

Cannonballs, Donuts, and Secrets. An introduction to elliptic curve cryptography. Larry Washington, University of Maryland. G. Milton Wing Lecture Series, University of Rochester. A Pile of Cannonballs A Square of Cannonballs. 1 4 9. The number of cannonballs in x layers is.

658 views • 50 slides

Cryptography: Helping Number Theorists Bring Home the Bacon Since 1977

Cryptography: Helping Number Theorists Bring Home the Bacon Since 1977. Dan Shumow SDE Windows Core Security dshumow@microsoft.com. Outline. Introduction Symmetric Key Encryption Key Distribution: Diffie-Hellman Key Generation Elliptic Curve Cryptography. Introduction.

351 views • 28 slides

Hashing, MACs, RSA

Hashing, MACs, RSA. Sandy Kutin CSPP 532 7/17/01. Rehash: Why do we hash?. Hash functions: boil long message down to a few bits Alice signs hash with public key: Authentication (Bob knows Alice sent it) Non-repudiation (Bob can prove Alice sent it)

424 views • 28 slides

Diffie-Hellman Key-Exchange Algorithm

830 views • 4 slides

45 views • 4 slides