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. Chosen . ciphertext. attacks. Online Cryptography Course Dan Boneh. Example chosen . ciphertext. attacks. A. dversary has . ciphertext. c that it wants to decrypt. Presenter: . Luren. Wang. Overview. Motivation. Threat Model. Background . Implementation. Evaluation. Conclusion. Future Work. Motivation. Smartphones and tablets are easily stolen.. According to Consumer Reports, smartphone theft rose to 3.1 million in the US in 2013 [1]. . How To Secure My Data. . What . to Protect???. DATA. Data At Rest. Data at Rest Examples. Worst Culprits?. Lost. Infected Easily. Used as ‘Backup’. Lent to others. Data Corruptions more common. 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. Zhicong Huang, Erman Ayday, Jacques Fellay, Jean-Pierre Hubaux, Ari Juels. Presented by Chuong Ngo. The Genomic Future. The Genomic Future. The Genomic Future. The Genomic Future. The Genomic Future. The Power of File-Injection Attacks . on Searchable Encryption. Yupeng. Zhang. . , Jonathan . Katz, . Charalampos. . Papamanthou. . University of Maryland. What is Searchable Encryption?. client. via . Oblivious Access on Distributed Data Structure. Thang . Hoang. . EECS. , Oregon State . University. Corvallis, Oregon, 97331. hoangmin@eecs.oregonstate.edu. 1. Attila Altay . Yavuz. . EECS. , Oregon State . The Power of File-Injection Attacks . on Searchable Encryption. Yupeng. Zhang. . , Jonathan . Katz, . Charalampos. . Papamanthou. . University of Maryland. Agenda. Background on Searchable Encryption.. CHAPTER OUTLINE. Ethical Issues in Information Systems. Threats to Information Security. Protecting Information Resources. 2. Ethical Issues in Information Systems. Issues and standards of conduct pertaining to the use of information systems. 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. OCR and making your publications accessible A practical guide What is OCR? Optical Character Recognition Image => text Full text search made possible OCR and LIRIAS Self prepared 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