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Network Security: Threats and Goals

Network Security: Threats and Goals

Network Security: Threats and Goals. Tuomas Aura T-110.5240 Network security Aalto University, Nov-Dec 2012. Outline. Network security Basic network threats: sniffing and spoofing Role of cryptography Security and the network protocol stack Case study: email security. Network security.

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574 views • 29 slides
IS 302: Information Security and Trust Week 5: Integrity

IS 302: Information Security and Trust Week 5: Integrity

IS 302: Information Security and Trust Week 5: Integrity. 2012. Review. RSA Key generation Security (key size) Encryption and decryption with random padding Envelop encryption RSA+AES. Adversary. Passive adversary Eavesdropping: threat to message confidentiality

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381 views • 26 slides
Some Current Thinking on Hash Functions Within NIST

Some Current Thinking on Hash Functions Within NIST

John Kelsey, NIST, June 2005. Some Current Thinking on Hash Functions Within NIST. Overview. How We Got Here Impact of Recent Attacks Short-Term Reactions Long-Term: New Algorithms?] The Workshop (Oct 31-Nov 1, 2005). How We Got Here: Recent Attacks. Crypto 2004

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235 views • 13 slides
Efficient Non-Interactive Secure Computation

Efficient Non-Interactive Secure Computation

Efficient Non-Interactive Secure Computation. Arash Afshar and Payman Mohassel and Benny Pinkas and Ben Riva. Two-Message 2PC. First Message. Second Message. Yaremchuk. Basim. Even Better: Reuse 1 st Message. First Message. 2. 1. 3. What is Known?. Semi-honest Yao is a NISC

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215 views • 8 slides

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