PPT-Deniable Functional Encryption

PKC 2016 Academia Sinica Taipei TAIWAN March 69 2016 Angelo de Caro 1 Vincenzo Iovino 2 Adam ONeill 3 1 IBM Research Zurich 2 University of Luxembourg 3 Georgetown University USA. Attacking non-atomic decryption. Online Cryptography Course Dan Boneh. SSH Binary Packet Protocol. Decryption:. s. tep 1: decrypt packet length field only (!). s. 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. Dana . Dachman. -Soled. University of Maryland. Deniable Public Key Encryption. [Canetti, . Dwork. , . Naor. , . Ostrovsky. , 97]. Sender. Receiver.  .  . s.  . For any . in the message space, can produce a . Team 2.0. Nayan Thakkar, Eddie Gallon, David Kotar, . Bruce Malone and Pamela Dorman. Requirements for Solution. Support for: . Mid size company "X" with ~250 employees. Windows network with Exchange 2010 w/350 mailboxes. “Encryption . and . Globalization. ” – China & India. Draft: . . Adoption of . Crypto, the Cloud, and Lawful Access - Peru. “Going . Dark vs. the Golden Age of . Surveillance”. Where you are. 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?. Rainbows (a.k.a. Spectrums). Public Private Key Encryption. HTTPS. Encryption. String Encryption. You have an account on . facebook. , LinkedIn, YouTube etc. . Your login: . costanza@seinfeld.com. Your password is : . Rainbows (a.k.a. Spectrums). Public Private Key Encryption. HTTPS. Encryption. String Encryption. You have an account on . facebook. , LinkedIn, YouTube etc. . Your login: . costanza@seinfeld.com. Your password is : . Student name: Lindokuhle Duma. Supervisor: Prof. Tucker. Proposed overall solution. P. attern authentication. Visual for Deaf users instead of text . Deaf people are accustomed to signed language. Easy to remember visuals than text [1]. What it. is. Alice sends. a encrypted message to X (e.g. a cloud service). Public key ‘belongs to’ X. X cannot decrypt the message. But X can convert messages. Forward message to B, C, D using re-encryption. Overview. Encryption technologies. Combining encryption technologies for practice. Using encryption technologies for identification – digital signatures. Public key infrastructure. 2. Introduction. 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.