Documents ISA 662 IKE Key management for IPSEC Prof. Ravi Sandhu.

Slide 1ISA 662 IKE Key management for IPSEC Prof. Ravi Sandhu Slide 2 2 © Ravi Sandhu 2000-2004 INTERNET KEY EXCHANGE (IKE) Hybrid protocol ISAKMP SKEME PHOTURIS SKIP MKMP…

Documents Micropayments Revisited

Micropayments Revisited Ronald L. Rivest & Silvio Micali RSA Conference 2002 Seminar 89-957, CS Dept., Bar Ilan University By Sharon Haroni Outline What is a micropayment…

Documents 1 Introduction The State of the Art in Electronic Payment Systems, IEEE Computer, September 1997.

Introduction Requirements and Safeguards for ECommerce Entity authentication Message integrity Payment non-repudiation Effective audit mechanism Privacy Safeguards and Security…

Documents 1 Hello World and Welcome to The simple crypt Key=23 _r{{x7 @xe{s7 vys7@r {txzr7c x7Cr 7d~zg{r...

Private-key Cryptography Locked for Bob Encryption Decryption Signed by Alice & Locked for Bob Encryption Singed by Alice Signing Singed by Alice Decryption Singed by…