PPT-Attacks on Searchable Encryption

Applied Cryptography ECECS 498AM University of Illinois Searchable Encryption 2 Server Client Queries w 1 w 2 Security the server should learn nothing about the clients files. CBC paddings attacks. Online Cryptography Course Dan Boneh. Recap. Authenticated encryption. : CPA security + . ciphertext. integrity. C. onfidentiality in presence of . prOtection. (AERO). mcgrew@cisco.com. AERO. Authenticated Encryption algorithm. Stateful. and self-synchronizing. Easy to use. Robust against nonce misuse and decryption misuse. Saves bandwidth. No nonce, no sequence number. 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. CJ341 – Cyberlaw & Cybercrime. Lecture . #26. M. E. Kabay, PhD, CISSP-ISSMP. mailto:mekabay@gmail.com. . V: 802.479.7937. Assoc Prof Information Assurance. School of Business & Management. Name : . Maryam Mohammed . Alshami. ID:. H00204657. Encryption. : . is the process of encoding messages or information in such a way that only authorized parties can read it. .. Important part of computing to keep our file . usna. . si110. Symmetric Encryption Limitations. Symmetric encryption algorithms use the . same key for encryption and decryption. Both parties must agree to a secret key. Fundamental limitation. How do you exchange a secret key?. Constructions from ciphers and MACs. Online Cryptography Course Dan Boneh. … but first, some history. Authenticated Encryption (AE): introduced in . 2000 . The Power of File-Injection Attacks . on Searchable Encryption. Yupeng. Zhang. . , Jonathan . Katz, . Charalampos. . Papamanthou. . University of Maryland. What is Searchable Encryption?. client. Schemes and Parameters. Joppe W. Bos. Microsoft Research. Contains joint work with Kristin . Lauter, . Jake Loftus and Michael Naehrig. Computing on Encrypted Data. Motivation. Outsource data and computation. ECE/CS 498AM. University of Illinois. Client wants to outsource files to server bur retain search functionality. Client wants to:. Send all documents to server. Query the server to retrieve some document(s). pk. , . sk. pk. c. . . . Enc. pk. (m). m. = . Dec. sk. (c). c. pk. pk. Public-key encryption. A public-key encryption scheme is composed of three PPT algorithms:. Gen: . key-generation algorithm. 1Rev 1152015skills tools and knowledge on our way to a paperless courtCreating a Searchable PDF DocumentQuick Reference GuideHow do I create a searchable PDF documentAny document you create using Micr 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 Note This requires Adobe Acrobat Pro If this software is not installed on your computer contact the HelpDesk at 717 871-7777Steps to make a PDF searchable1Locate the PDF that you wish to make searchab