'Pseudorandom function' diaporamas de présentation

Computer and Information Security

1.71k views • 139 slides

Transport Level Security

Transport Level Security. Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu Audio/Video recordings of this lecture are available at: http://www.cse.wustl.edu/~jain/cse571-11/. Overview. Secure Sockets Layer (SSL) Transport Layer Security (TLS) HTTPS

909 views • 27 slides

Handcuffing Big Brother: Abuse-Resilient Transaction Escrow

Handcuffing Big Brother: Abuse-Resilient Transaction Escrow. Stanis?aw Jarecki UC Irvine Vitaly Shmatikov SRI International Eurocrypt 2004. Data Collection Poses a Threat to Privacy. Data Collection Examples: Financial transaction records (Detection of fraud and money laundering)

376 views • 27 slides

Chapter 7

Chapter 7. WEB Security. Henric Johnson Blekinge Institute of Technology, Sweden http://www.its.bth.se/staff/hjo/ henric.johnson@bth.se. Outline. Web Security Considerations Secure Socket Layer (SSL) and Transport Layer Security (TLS) Secure Electronic Transaction (SET)

362 views • 22 slides

Performance Improvement for the GGM-Construction of Pseudorandom Functions

Performance Improvement for the GGM-Construction of Pseudorandom Functions. Yu-Sheng Chen Gwoboa Horng Chao-Liang Liu NCS 2005. Abstract. The GGM (Goldreich Goldwasser Micali) -construction is a method to construct pseudorandom functions.

324 views • 20 slides

PBKDF2 Accelerator Design Review

Akshay Sahni, William Ehlhardt, Yicheng Guo. PBKDF2 Accelerator Design Review. Overview. It implements a particular PBKDF in hardware via ASIC to significantly erode the computational cost We would implement PBKDF2 using the HMAC-SHA1 pseudorandom function

575 views • 18 slides

Practical Techniques for Searches on Encrypted Data

Practical Techniques for Searches on Encrypted Data. Author: Dawn Xiaodong Song, David Wagner, Adrian Perrig Presenter: ???. Outline (1/1). What is the problem? What do we want to achieve? Definition. One solution. Conclusion. Bob( untrusted server). Alice. Pre-stored data. Search.

313 views • 13 slides

Cryptography CS 555

Cryptography CS 555. Topic 8: Pseudorandom Functions and CPA Security. Outline and Readings. Outline Keyed Function Pseudorandom function (PRF) Encryption using PRF Pseudorandom Permutation (PRF) Readings: Katz and Lindell: 3.6.1 ~ 3.6.3. Keyed Function.

240 views • 11 slides