PPT-Diameter End-to-End Security: Keyed Message Digests, Digita

draftkorhonendimee2esecurity00 Jouni Korhonen Hannes Tschofenig Dime WG IETF83 Overview Two aspects Authentication and Key Exchange Actual AVP protection Requirements. Digests group cases by topic and provide short summaries on what the cited cases say about t he given subject Digest sets cover cases from a specific jurisdiction or general subject area Topical digests such as the Bankruptcy and Real Estate digests William Stallings, 6. th. Ed. . Chapter 1. Overview. . “The combination of space, time, and strength that must be considered as the basic elements of this theory of defense makes this a fairly complicated matter. Consequently, it is not easy to find a fixed point of departure.”. draft-pascual-dime-sctp-00 . victor.pascual@acmepacket.com. gonzalo.camarillo@ericsson.com. IETF 79 - DIME WG. November 2010, Beijing, China. Motivation. Clarify/specify the usage of Diameter over SCTP and its associated security mechanisms . CSCI 5857: Encoding and Encryption. Outline. Information integrity issues . Message digests . Hash functions. Insuring information integrity. Attacks on message digests. Preimage. attacks. Collision attacks. d. raft-mkonstan-keyed-ip-tunnel-00. Uses L2TPv3 over IPv6 encapsulation. But assigns an IPv6 address to each PW endpoint. Session ID no longer required (but present in the . encaps. ). Can interoperate with systems requiring session ID. Technical Meeting Presentation. Moses T . Nkhumeleni. Supervisors. : . Mr . Mosiuoa. . Tsietsi. and Professor Alfredo . Terzoli. Introduction. Topics. Diameter Protocol. Ericsson Charging SDK. Research Project. &. CYBER LAWS . By. R K BAGGA. 2. “ 60% of networks are penetrated over 30 times a year ”. “ . On average, every site newly installed on the Web will be accessed within 28 seconds and attacked within 5 hours. Operating System Principles. Security. Security. The Security Problem. Program Threats. System and Network Threats. Cryptography as a Security Tool. User Authentication. Implementing Security Defenses. Slides by . Prem. Uppuluri. Some of the slides contain material from sources that are cited in those specific slides.. So far…. We looked at:. Symmetric or secret-key cryptography. Primarily used for encryption/decryption.. CSCI 5857: Encoding and Encryption. Outline. Attacks on message digests. Preimage. attacks. Collision attacks. Properties of a good hash function. Mathematical background. Pigeonhole principle. Birthday . M.Sc. Course – 2016. By. Dr. Bashar M. . Nema. Cryptography and Network Security. Sixth Edition. by William Stallings . Chapter 1. Overview. “The combination of space, time, and strength that must be considered as the basic elements of this theory of defense makes this a fairly complicated matter. Consequently, it is not easy to find a fixed point of departure.”. Stein. CTO. Communications Security. Communications security. (COMSEC) means preventing unauthorized access to communications infrastructure and communicated messages, while still providing the communications service between intended parties . Public Key Algorithms. Symmetric Key Algorithms face an inherent problem. Keys must be distributed to all parties but kept secret from potential attackers. Introduced by . Diffie. and Hellman in 1976. Computational Security . against Eavesdropper. Constructing Secure Encryption . Schemes against Eavesdropper. Chosen Plaintext Attacks and . CPA-Security. Readings: . Katz . and . Lindell Chapter 3.1-3.4.