BART MICHIELS THESIS

  • June 24, 2019

Obfuscation for Cryptographic Purposes. Indeed, it does not suffice to only protect an application against extraction of embedded secret keys. Resources Slides March — slides PhD defense. Jan 13, version: Wee [Wee05] presented a provably secure obfuscator for a point function, which can be exploited in practice to construct authentication functionalities.

Chand Gupta, and G. Research Academic research in white-box cryptography can be categorized into three activities. On the Impossibility of Obfuscation with Auxiliary Input. Similar theoretic approaches have been conceived for white-box cryptography in [Sax09]. ITCC 1 , pages Luc Michiels and Prof.

bart michiels thesis

Resources Slides March — slides PhD defense. Shafi Goldwasser and Yael Tauman Kalai. On Obfuscating Point Functions.

White-box cryptography

On the Impossibility of Obfuscation with Auxiliary Input. On the Michjels possibility of Obfuscating Programs. For example, to create the equivalent of a smart-card-based AES encryption function in software, it does not suffice that the white-box implementation resists extraction of its embedded key, but it must also be hard to invert.

White-box implementations and cryptanalysis results A selection of the state of the art: It makes sense to define white-box cryptography accordingly since it reflects more reality.

One of the central challenges tjesis genomics is the detection and identification of single nucleotide polymorphisms SNPs.

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Whiteboxcrypto

For example, a scheme is defined CPA-secure if an attacker cannot compute the plaintext from a given ciphertext, or KR-secure when the secret key cannot be recovered. Due to these reasons a general interest in fast, label-free, low-cost and user-friendly DNA sensors has emerged. Attacking an obfuscated cipher by injecting faults. Both have received similar scepticism on its feasibility and lack of theoretic foundations.

Nearly all technologies need a lab environment, lack in speed reaction times at the scale of bartt least 16 hoursare unable to provide dynamic information michisls the DNA binding kinetics end point measurement and need fluorescent labelling of the target DNA which induces the necessity of sophisticated optical readout techniques. Established technologies exist to identify these SNPs, but several disadvantages need consideration. Similar theoretic approaches have been conceived for white-box cryptography in [Sax09].

Nevertheless, this result does not exclude the existence of secure code obfuscators: Ran Canetti and Mayank Varia.

ITCC 1pages Positive Results and Techniques for Obfuscation. This thesis reports on the development of DNA sensors that respond to these specifications Research Academic research in white-box cryptography can be categorized into three activities.

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Second, SNPs in the so-called ADME absorption, distribution, metabolism, excretion genes significantly influence the effectiveness of treatment and this is a major topic in the field of theranostics. Obfuscation for Cryptographic Purposes. This importance stems from several reasons: Luc Michiels and Prof. Wee [Wee05] presented a provably secure obfuscator for a point function, which can be exploited in practice to construct authentication functionalities.

Theoretic research on code obfuscation gained momentum with the seminal paper of Barak et al. Indeed, it does not suffice to only protect an application against extraction of embedded secret keys.

Chand Gupta, and G. A security notion is a formal description of the security of a cryptographic scheme. Jan 13, version: Wyseur, and Bart Preneel: Patrick Wagner, copromotors are Prof.

bart michiels thesis

The main difference between code obfuscation and white-box cryptography is that the security of the latter needs to be validated with respect to security notions.