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The Android system manages access to sensitive APIs by permission enforcement. An application (app) must declare proper permissions before invoking specific Android APIs. However, there is no official documentation providing the complete…

密码学与安全 · 计算机科学 2021-11-17 Chaoran Li , Xiao Chen , Ruoxi Sun , Jason Xue , Sheng Wen , Muhammad Ejaz Ahmed , Seyit Camtepe , Yang Xiang

Fault attacks against embedded circuits enabled to define many new attack paths against secure circuits. Every attack path relies on a specific fault model which defines the type of faults that the attacker can perform. On embedded…

密码学与安全 · 计算机科学 2014-02-27 Nicolas Moro , Karine Heydemann , Emmanuelle Encrenaz , Bruno Robisson

HTML5-based mobile apps become more and more popular, mostly because they are much easier to be ported across different mobile platforms than native apps. HTML5-based apps are implemented using the standard web technologies, including…

密码学与安全 · 计算机科学 2014-10-29 Xing Jin , Tongbo Luo , Derek G. Tsui , Wenliang Du

Due to the convergence of various mobile access technologies like UMTS, WLAN, and WiMax the need for a new supporting infrastructure arises. This infrastructure should be able to support more efficient ways to authenticate users and…

密码学与安全 · 计算机科学 2007-05-23 Nicolai Kuntze , Andreas U. Schmidt

We present a new type of attack in which source code is maliciously encoded so that it appears different to a compiler and to the human eye. This attack exploits subtleties in text-encoding standards such as Unicode to produce source code…

密码学与安全 · 计算机科学 2023-03-09 Nicholas Boucher , Ross Anderson

In this paper, we perform a comprehensive study of 2,470 patched Android vulnerabilities that we collect from different data sources such as Android security bulletins, CVEDetails, Qualcomm Code Aurora, AOSP Git repository, and Linux…

密码学与安全 · 计算机科学 2019-05-24 Sadegh Farhang , Mehmet Bahadir Kirdan , Aron Laszka , Jens Grossklags

We demonstrate attacks on the boot ROMs of the Nintendo 3DS in order to exfiltrate secret information from normally protected areas of memory and gain persistent early code execution on devices which have not previously been compromised.…

密码学与安全 · 计算机科学 2018-02-05 Michael Scire , Melissa Mears , Devon Maloney , Matthew Norman , Shaun Tux , Phoebe Monroe

Android is the most widely deployed end-user focused operating system. With its growing set of use cases encompassing communication, navigation, media consumption, entertainment, finance, health, and access to sensors, actuators, cameras,…

Over the past few years, several research groups have introduced innovative hardware designs for Trusted Execution Environments (TEEs), aiming to secure applications against potentially compromised privileged software, including the kernel.…

密码学与安全 · 计算机科学 2024-10-07 Gwenn Le Gonidec , Maria Méndez Real , Guillaume Bouffard , Jean-Christophe Prévotet

The erosion of trust put in traditional database servers, the growing interest for different forms of data dissemination and the concern for protecting children from suspicious Internet content are different factors that lead to move the…

密码学与安全 · 计算机科学 2007-05-23 Luc Bouganim , Cosmin Cremarenco , François Dang Ngoc , Nicolas Dieu , Philippe Pucheral

Injection of transient faults as a way to attack cryptographic implementations has been largely studied in the last decade. Several attacks that use electromagnetic fault injection against hardware or software architectures have already…

密码学与安全 · 计算机科学 2014-02-27 Nicolas Moro , Amine Dehbaoui , Karine Heydemann , Bruno Robisson , Emmanuelle Encrenaz

An Air Force evaluation of Multics, and Ken Thompson's famous Turing award lecture "Reflections on Trusting Trust," showed that compilers can be subverted to insert malicious Trojan horses into critical software, including themselves. If…

密码学与安全 · 计算机科学 2016-11-17 David A. Wheeler

In the context of hardware trust and assurance, reverse engineering has been often considered as an illegal action. Generally speaking, reverse engineering aims to retrieve information from a product, i.e., integrated circuits (ICs) and…

In recent years fingerprinting of various physical and logical devices has been proposed with the goal of uniquely identifying users or devices of mainstream IT systems such as PCs, Laptops and smart phones. On the other hand, the…

密码学与安全 · 计算机科学 2017-12-06 Chuadhry Mujeeb Ahmed , Aditya Mathur , Martin Ochoa

With the digital breakthrough, smart phones have become very essential component. Mobile devices are very attractive attack surface for cyber thieves as they hold personal details (accounts, locations, contacts, photos) and have potential…

密码学与安全 · 计算机科学 2017-09-22 Shweta Bhandari , Wafa Ben Jaballah , Vineeta Jain , Vijay Laxmi , Akka Zemmari , Manoj Singh Gaur , Mohamed Mosbah , Mauro Conti

Although smartcards are widely used, secure smartcard interoperability has remained a significant challenge. Usually each manufacturer provides a closed environment for their smartcard based applications including the microchip, associated…

密码学与安全 · 计算机科学 2012-05-07 Maurizio Talamo , Maulahikmah Galinium , Christian H. Schunck , Franco Arcieri

Voltage Fault Injection (VFI), also known as power glitching, has proven to be a severe threat to real-world systems. In VFI attacks, the adversary disturbs the power-supply of the target-device forcing the device to illegitimate behavior.…

密码学与安全 · 计算机科学 2023-03-02 Marvin Saß , Richard Mitev , Ahmad-Reza Sadeghi

Recent results have shown the usefulness of tamper-proof hardware tokens as a setup assumption for building UC-secure two-party computation protocols, thus providing broad security guarantees and allowing the use of such protocols as…

密码学与安全 · 计算机科学 2015-02-13 Rafael Dowsley , Jörn Müller-Quade , Tobias Nilges

The globalization of the semiconductor industry has introduced security challenges to Integrated Circuits (ICs), particularly those related to the threat of Hardware Trojans (HTs) - malicious logic that can be introduced during IC…

密码学与安全 · 计算机科学 2024-08-29 Mohammad Eslami , Tara Ghasempouri , Samuel Pagliarini

Timing-based side and covert channels in processor caches continue to be a threat to modern computers. This work shows for the first time a systematic, large-scale analysis of Arm devices and the detailed results of attacks the processors…

密码学与安全 · 计算机科学 2021-11-02 Shuwen Deng , Nikolay Matyunin , Wenjie Xiong , Stefan Katzenbeisser , Jakub Szefer