PPT-Android Obfuscation Wangjun

Hong Zhengyang Qu Northwestern University IL US 1 Outline Introduction Reverse Engineering Techniques Design amp Implementation Results Comparison 2 Android App compilation. application. s. . reverse. . engineering. Antoni Bertel. Antoni_Bertel@epam.com. AUGUST 4, 2015. Jar. (Java Archive) is a package file format typically used to aggregate many Java class files and associated metadata and resources. Auxiliary Input or a Universal Simulator. Nir. . Bitansky. . Ran Canetti. Henry Cohn. Shafi. . Goldwasser. Yael . Tauman-Kalai. . Omer Paneth. Alon. Rosen. Program Obfuscation. Obfuscated program. Evasive Functions. Boaz . Barak, . Nir. . Bitansky. , Ran Canetti,. Yael Tauman . Kalai, . Omer . Paneth, . Amit Sahai. Program Obfuscation . Obfuscated Program. Approved . Document . Signature . Obfuscation. Boaz . Barak . Sanjam. . Garg. Yael . Tauman . Kalai . Omer Paneth . Amit . Sahai. Program Obfuscation . Public Key.  .  . Obfuscation.  .  .  . Virtual Black-Box (VBB). [. Barak-. Goldreich. -. SPAR Final PI Meeting, Annapolis MD. Craig Gentry and . Shai. . Halevi. June 17, 2014. The Future of Encrypted Computation. Encrypted Computation: . Where are we now?. Homomorphic. Encryption. Noisy somewhat HE, and bootstrapping. 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. Program . Obfuscation. Omer Singer. June 8, 2009. Practical Background. What is program obfuscation?. Obfuscation is deliberately making software code so confusing that even those with access to the code can’t figure out what a program is going to do.. Chapter . 5: . Investigate! Android Lists, Arrays, and Web Browsers. 1. Android Boot Camp for Developers Using Java, 2nd Ed.. Objectives. In this chapter, you learn to:. Create an Android project . using a list. for Cryptographic. . Agents. Shashank Agrawal, . Manoj. . Prabhakaran. , . Ching-Hua Yu. Security Guarantee in Cryptography. A cryptographic scheme can provide certain security properties. Modern cryptography have involved properties. 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). Haitao. Zhang, Alex . Afanasyev. , . Lixia. Zhang (UCLA). NDNComm. 2017. March 23-26, 2017. 1. Motivation. Android devices are . widely used. Android . accounts. . for. . 88. % market . share of . , . Alon. Rosen. On the cryptographic hardness. of finding a . nash. equilibrium. The Story Line. Games. Complexity. Crypto. Game Theory and Nash . Equilibrium. Cooperate . Defect. Cooperate . 2. \ . Sanjam. . Garg. , Craig Gentry*, . Shai Halevi*. ,. Mariana . Raykova. , . Amit. . Sahai. , Brent Waters. Faces in Modern Cryptography, Oct-2013. A Celebration in Honor of . . Goldwasser. . and .