PPT-Dynamic Searchable Symmetric Encryption

Tom Roeder eXtreme Computing Group Microsoft Research Joint work with Seny Kamara Cloud backup Users want to back up their data The cloud provides storage Privacy integrity and confidentiality. CSE 5351: Introduction to Cryptography. Reading assignment:. Chapter 2. Chapter 3 (sections 3.1-3.4). You may skip proofs, but are encouraged to read some of them.. 2. Computational Difficulty (One-Way Functions). 1. Lost Laptops. Lost and stolen laptops are a common occurrence. Estimated occurrences in US airports every week: 12,000. Average cost of a lost laptop for a corporation is $50K. Costs include data breach, intellectual property loss, forensics, lost productivity, legal and regulatory expenses. CSE 5351: Introduction to Cryptography. Reading assignment:. Chapter 3 . Read sections 3.1-3.2 first (skipping 3.2.2). 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Pseudorandom Generators and Stream Ciphers. OGRAPHY. Dr. Andy Wu. BCIS . 4630 Fundamentals of IT Security. Overview. 2. Key crypto concepts. Key terms. XOR. Symmetric encryption. Asymmetric encryption. Hashes. Cryptography. 3. Cryptography primarily protects confidentiality, integrity, authentication, and non-repudiation.. Presented By:. Rahul. M.Tech. CSE, GBPEC . Pauri. Contents. Introduction. Symmetric memory architecture. Advantages. The limitations. Addressing the limitations. Problem with more than one copy in caches. October 2015. What’s New in PKI and SSL?. The State of PKI and SSL/TLS. Many organizations don’t run their own Public Key Infrastructure. Utilize a managed PKI, or MPKI. Almost all organizations have a website and need public certificates. CS 161: Computer Security. Prof. . Raluca. Ada . Popa. Sept 13, 2016. Announcements. Project due Sept 20. Special guests. Alice . Bob. The attacker (Eve - “eavesdropper”, Malice). Sometimes Chris too. Cryptography. Is:. A tremendous tool. The basis for many security mechanisms. Is not:. The solution to all security problems. Reliable unless implemented and used properly. Something you should try to invent yourself. Confidentiality, integrity, and availability concepts – CIA. Security Governance principles. Compliance, Legal, and Regulatory issues – SOX and Regulatory Guidelines – There will be memorization questions on the test. Applied Cryptography. ECE/CS 498AM. University of Illinois. Searchable Encryption. 2. Server. Client. Queries w. 1. , w. 2. , …. Security: “. the server should learn nothing about the client’s files.”. This brief document aims to provide guidance for the creation of searchable PDF files from scanned documents whether standard TIFF Files or Image-Only PDF files 11 What is a Searchable PDF A searchabl P. ublic-key encryption ( Asymmetric Encryption). Asymmetric encryption is a form of cryptosystem in which . encryption and . decryption are performed using the different keys—one a public . key and . Symmetric . Key Distribution Using Asymmetric Encryption . Distribution . of Public Keys. Key Management and Distribution. Symmetric Key Distribution Using Symmetric Encryption. For symmetric encryption to work, the two parties to an exchange must . Rajat Mittal. (IIT Kanpur) . Boolean functions. or . Central object of study in Computer Science. AND, OR, Majority, Parity. With real range, real vector space of dimension . Parities for all . , .