Obfuscated C and other mysteries
Obfuscated C and other mysteries
Manufacturing cheap, resilient, and stealthy opaque constructs
POPL '98 Proceedings of the 25th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Software watermarking: models and dynamic embeddings
Proceedings of the 26th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Tamper Resistant Software: An Implementation
Proceedings of the First International Workshop on Information Hiding
Robust Object Watermarking: Application to Code
IH '99 Proceedings of the Third International Workshop on Information Hiding
A Graph Theoretic Approach to Software Watermarking
IHW '01 Proceedings of the 4th International Workshop on Information Hiding
Oblivious Hashing: A Stealthy Software Integrity Verification Primitive
IH '02 Revised Papers from the 5th International Workshop on Information Hiding
Dynamic Self-Checking Techniques for Improved Tamper Resistance
DRM '01 Revised Papers from the ACM CCS-8 Workshop on Security and Privacy in Digital Rights Management
Protecting Software Code by Guards
DRM '01 Revised Papers from the ACM CCS-8 Workshop on Security and Privacy in Digital Rights Management
Protection of Software-Based Survivability Mechanisms
DSN '01 Proceedings of the 2001 International Conference on Dependable Systems and Networks (formerly: FTCS)
Sandmark--A Tool for Software Protection Research
IEEE Security and Privacy
Obfuscation of executable code to improve resistance to static disassembly
Proceedings of the 10th ACM conference on Computer and communications security
Hardware-Assisted Circumvention of Self-Hashing Software Tamper Resistance
IEEE Transactions on Dependable and Secure Computing
The evaluation of two software watermarking algorithms: Research Articles
Software—Practice & Experience
Hybrid static-dynamic attacks against software protection mechanisms
Proceedings of the 5th ACM workshop on Digital rights management
Deobfuscation: Reverse Engineering Obfuscated Code
WCRE '05 Proceedings of the 12th Working Conference on Reverse Engineering
Static disassembly of obfuscated binaries
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
IH'04 Proceedings of the 6th international conference on Information Hiding
Towards better software tamper resistance
ISC'05 Proceedings of the 8th international conference on Information Security
Server-side detection of malware infection
NSPW '09 Proceedings of the 2009 workshop on New security paradigms workshop
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The number and magnitude of hostile attacks against software has drastically increased. One class of attacks of particular concern to the software industry is tampering to circumvent protection technologies such as license checks. A variety of hardware- and software-base techniques have been developed to address the issue. These include, but are not limited to, dongles, smartcards, and code obfuscation. In this paper we examine two previously proposed software-based tamper resistance techniques which are both based on the same key evolution mechanism: Event Log-Based and Branch-Based tamper resistance. As proposed the techniques offer many advantages over other software-based algorithms, however, they still suffer from a common limitation. Through our analysis we identify this limitation and propose an extension to the schemes which improves the overall strength.