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Network Security

Network Security

Network Security. introduction cryptography authentication key exchange Reading: Tannenbaum, section 7.1 Ross/Kurose, Ch 7 (which is incomplete). Network Security. Intruder may eavesdrop remove, modify, and/or insert messages read and playback messages.

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478 views • 39 slides
Network Security

Network Security

Network Security. introduction cryptography authentication key exchange Reading: Tannenbaum, section 7.1 Ross/Kurose, Ch 7 (which is incomplete). Network Security. Intruder may eavesdrop remove, modify, and/or insert messages read and playback messages.

★ ★ ★ ★ ★

395 views • 39 slides
Network Security

Network Security

Network Security. introduction cryptography authentication key exchange required reading: text section 7.1. Network Security. intruder may eavesdrop remove, modify, and/or insert messages read and playback messages important issues:

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458 views • 35 slides
Network Security

Network Security

Network Security. introduction cryptography authentication key exchange required reading: text section 7.1. Network Security. intruder may eavesdrop remove, modify, and/or insert messages read and playback messages important issues:

★ ★ ★ ★ ★

354 views • 35 slides
Network Security

Network Security

Network Security. introduction cryptography authentication key exchange required reading: text section 7.1. Network Security. intruder may eavesdrop remove, modify, and/or insert messages read and playback messages important issues:

★ ★ ★ ★ ★

356 views • 35 slides
Authentication

Authentication

Authentication. Question: how does a receiver know that remote communicating entity is who it is claimed to be?. Approach 1: peer-peer key-based authentication A, B (only) know secure key for encryption/decryption A sends encrypted msf to B and B decrypts: A to B: msg = encrypt("I am A")

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278 views • 18 slides
Authentication

Authentication

Authentication. Question: how does a receiver know that remote communicating entity is who it is claimed to be?. Approach 1: peer-peer key-based authentication A, B (only) know secure key for encryption/decryption A sends encrypted msf to B and B decrypts: A to B: msg = encrypt("I am A")

★ ★ ★ ★ ★

192 views • 18 slides

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