PDF-Everybodyloves(virtualblack-box/indistinguishability)obfuscation... ..

Author : yoshiko-marsland | Published Date : 2015-09-13

soweimplementedit ImplementationcombinesideasfromvariousobfuscationpapersandusesCLTmultilinearmapscheme Itisslow butnotasslowasyoumightthink ExampleToobfuscatea16bitpointfunctionie16ORgates

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Everybodyloves(virtualblack-box/indistinguishability)obfuscation... ..: Transcript

soweimplementedit ImplementationcombinesideasfromvariousobfuscationpapersandusesCLTmultilinearmapscheme Itisslow butnotasslowasyoumightthink ExampleToobfuscatea16bitpointfunctionie16ORgates. We have no digital cable boxes that will work on digital cable tv No digital cable box is available Digital cable descrambler and digital cable box will be available someday At this time no digital cable tv box is available Look for digital cable de Evasive Functions. Boaz . Barak, . Nir. . Bitansky. , Ran Canetti,. Yael Tauman . Kalai, . Omer . Paneth, . Amit Sahai. Program Obfuscation . Obfuscated Program. Approved . Document . Signature . Obfuscation. Wangjun. Hong, . Zhengyang. . Qu. ,. Northwestern University, IL, US, . 1. Outline. Introduction. Reverse Engineering Techniques. Design & Implementation. Results. Comparison. 2. Android App compilation. Shai Halevi. Obfuscation. China Summer School on Lattices and Cryptography, June 2014. Code Obfuscation. Encrypting programs, maintaining functionality. Only the functionality should be “visible” in the output. Applying Anti-Reversing Techniques to . Machine Code. Teodoro (Ted) Cipresso, . teodoro.cipresso@sjsu.edu. Department of Computer Science. San José State University. Spring 2015. The . information in . Boaz . Barak, . Nir. . Bitansky. , Ran Canetti,. Yael Tauman . Kalai, . Omer . Paneth, . Amit Sahai. Program Obfuscation . Obfuscated Program. Approved . Document . Signature . Obfuscation. Verify and sign. . Bitansky. , Ran Canetti, Omer . Paneth. , . Alon. Rosen. Largest Known Prime. 2. 57,885,161. − 1. Electronic Frontier . Foundation offers . $250,000 prize for a prime with at least a billion digits. Nir. . Bitansky. and Omer . Paneth. Program Obfuscation. Compute . . . . Program Obfuscation. . . Program Obfuscation. Sign email . with . If . starts with “omer@bu.edu”. . . . , Omer . Paneth. On Obfuscation with Random Oracles. [. Lynn-Prabhakaran-Sahai 04. ]:. Can simulation based obfuscation . be constructed with a . Random Oracle. ?. Today: . Impossible . in general!. A Candidate Obfuscator. Boaz . Barak . Sanjam. . Garg. Yael . Tauman . Kalai . Omer Paneth . Amit . Sahai. Program Obfuscation . Public Key. . . Obfuscation. . . . Virtual Black-Box (VBB). [. Barak-. Goldreich. -. to . confuse, bewilder, or stupefy . to . make obscure or unclear. to . darken . obfuscate. pronunciation:. . ob-. fuh. -skeyt. related forms. noun. obfuscation. adjective . obfuscatory . obfuscate. Goyal. . Venkata. . Koppula. Brent Waters. Lockable Obfuscation. . . Correctness: . Challenger. Attacker. Lockable . Obfuscation: Security. OR. Guess. could . be from . high . entropy . dist. . Rishab. Goyal. . Venkata. . Koppula. Brent Waters. Key Dependent Message Security . [B. lack. R. ogaway. S. hrimpton. 02]. Plaintexts dependent on . secret . key. Encrypted Storage Systems (e.g., BitLocker). Shai Halevi – IBM Research. NYU Security Research Seminar. April 1, 2014. 1. Cryptography. Traditional View: . securing communication. Replicate in the digital world the functionality of sealed envelopes/Brinks cars.

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