'Data origin' presentation slideshows

Introduction to Cryptography and Security Mechanisms

730 views • 53 slides

INFOTECH Seminar Advanced Communication Services (ACS), 200 4 Mentor: Dr.-Ing. S. Rupp

INFOTECH Seminar Advanced Communication Services (ACS), 200 4 Mentor: Dr.-Ing. S. Rupp. Security Issues and Solutions for Voice over IP compared to Circuit Switched Networks Andon Batchvarov Institute of Communicati o n Networks and Computer Engineering University of Stuttgart.

562 views • 22 slides

Cryptography and Network Security

292 views • 22 slides

Cryptography I

Cryptography I. Lecture 5 Dimitrios Delivasilis Department of Information and Communication Systems Engineering University of Aegean. Digital Signatures. A cryptographic primitive fundamental in authentication, authorization and non-repudiation It consists of the following elements:

328 views • 16 slides

Next-Generation Secure Internet: Security Overview and Context

Next-Generation Secure Internet: Security Overview and Context. Adrian Perrig in collaboration with Steven Bellovin, David Clark, Dawn Song. Everybody Understands Need for NGSI. Webby award Annual award for achievement in Web creation

556 views • 13 slides

Next-Generation Secure Internet: Security Overview and Context

Next-Generation Secure Internet: Security Overview and Context. Adrian Perrig in collaboration with Steven Bellovin, David Clark, Dawn Song. Everybody Understands Need for NGSI. Webby award Annual award for achievement in Web creation

219 views • 13 slides

Lecture I : Internet Security Landscape

Lecture I : Internet Security Landscape. Internet Security: Principles & Practices John K. Zao, PhD SMIEEE National Chiao-Tung University Fall 2005. The Problem. Internet (Packet Switching) is inherently insecure Highly Asymmetric Defense Offenders can use little amount of resources

90 views • 8 slides

Cryptology From paper and pencil, mechanical devices to computers

Time changes: Earlier secret tactical com-munication involving few people are replaced by other environments and applications due to computers. Electronic commerce, www-communication, and mobile communication introduce other needs that we try to satisfy with cryptographic methods.

101 views • 1 slides