Search Results - "Stefan Mangard"

Malware Guard Extension: abusing Intel SGX to conceal cache attacks by Schwarz, Michael, Weiser, Samuel, Gruss, Daniel, Maurice, Clémentine, Mangard, Stefan

“…In modern computer systems, user processes are isolated from each other by the operating system and the hardware. Additionally, in a cloud scenario it is…”
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Compress: Generate Small and Fast Masked Pipelined Circuits by Cassiers, Gaëtan, Gigerl, Barbara, Mangard, Stefan, Momin, Charles, Nagpal, Rishub

“…Masking is an effective countermeasure against side-channel attacks. It replaces every logic gate in a computation by a gadget that performs the operation over…”
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Isap v2.0 by Christoph Dobraunig, Maria Eichlseder, Stefan Mangard, Florian Mendel, Bart Mennink, Robert Primas, Thomas Unterluggauer

“…We specify Isap v2.0, a lightweight permutation-based authenticated encryption algorithm that is designed to ease protection against side-channel and fault…”
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SIFA: Exploiting Ineffective Fault Inductions on Symmetric Cryptography by Christoph Dobraunig, Maria Eichlseder, Thomas Korak, Stefan Mangard, Florian Mendel, Robert Primas

“…Since the seminal work of Boneh et al., the threat of fault attacks has been widely known and techniques for fault attacks and countermeasures have been…”
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Smooth Passage with the Guards: Second-Order Hardware Masking of the AES with Low Randomness and Low Latency by Gigerl, Barbara, Klug, Franz, Mangard, Stefan, Mendel, Florian, Primas, Robert

“…Cryptographic devices in hostile environments can be vulnerable to physical attacks such as power analysis. Masking is a popular countermeasure against such…”
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MEAS: memory encryption and authentication secure against side-channel attacks by Unterluggauer, Thomas, Werner, Mario, Mangard, Stefan

“…Memory encryption is used in many devices to protect memory content from attackers with physical access to a device. However, many current memory encryption…”
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Riding the Waves Towards Generic Single-Cycle Masking in Hardware by Nagpal, Rishub, Gigerl, Barbara, Primas, Robert, Mangard, Stefan

“…Research on the design of masked cryptographic hardware circuits in the past has mostly focused on reducing area and randomness requirements. However, many…”
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SYNFI: Pre-Silicon Fault Analysis of an Open-Source Secure Element by Nasahl, Pascal, Osorio, Miguel, Vogel, Pirmin, Schaffner, Michael, Trippel, Timothy, Rizzo, Dominic, Mangard, Stefan

“…Fault attacks are active, physical attacks that an adversary can leverage to alter the control-flow of embedded devices to gain access to sensitive information…”
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Fault-Resistant Partitioning of Secure CPUs for System Co-Verification against Faults by Tollec, Simon, Hadži´c, Vedad, Nasahl, Pascal, Asavoae, Mihail, Bloem, Roderick, Couroussé, Damien, Heydemann, Karine, Jan, Mathieu, Mangard, Stefan

“…Fault injection attacks are a serious threat to system security, enabling attackers to bypass protection mechanisms or access sensitive information. To…”
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SIFA: Exploiting Ineffective Fault Inductions on Symmetric Cryptography by Dobraunig, Christoph, Eichlseder, Maria, Korak, Thomas, Mangard, Stefan, Mendel, Florian, Primas, Robert

“…Since the seminal work of Boneh et al., the threat of fault attacks has been widely known and techniques for fault attacks and countermeasures have been…”
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ISAP – Towards Side-Channel Secure Authenticated Encryption by Dobraunig, Christoph, Eichlseder, Maria, Mangard, Stefan, Mendel, Florian, Unterluggauer, Thomas

“…Side-channel attacks and in particular differential power analysis (DPA) attacks pose a serious threat to cryptographic implementations. One approach to…”
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Systematic Classification of Side-Channel Attacks: A Case Study for Mobile Devices by Spreitzer, Raphael, Moonsamy, Veelasha, Korak, Thomas, Mangard, Stefan

“…Side-channel attacks on mobile devices have gained increasing attention since their introduction in 2007. While traditional side-channel attacks, such as power…”
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A unified masking approach by Gross, Hannes, Mangard, Stefan

“…The continually growing number of security-related autonomous devices requires efficient mechanisms to counteract low-cost side-channel analysis (SCA) attacks…”
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Spectre Attacks: Exploiting Speculative Execution by Kocher, Paul, Horn, Jann, Fogh, Anders, Genkin, Daniel, Gruss, Daniel, Haas, Werner, Hamburg, Mike, Lipp, Moritz, Mangard, Stefan, Prescher, Thomas, Schwarz, Michael, Yarom, Yuval

“…Modern processors use branch prediction and speculative execution to maximize performance. For example, if the destination of a branch depends on a memory…”
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An IoT Endpoint System-on-Chip for Secure and Energy-Efficient Near-Sensor Analytics by Conti, Francesco, Schilling, Robert, Schiavone, Pasquale Davide, Pullini, Antonio, Rossi, Davide, Gurkaynak, Frank Kagan, Muehlberghuber, Michael, Gautschi, Michael, Loi, Igor, Haugou, Germain, Mangard, Stefan, Benini, Luca

“…Near-sensor data analytics is a promising direction for internet-of-things endpoints, as it minimizes energy spent on communication and reduces network load -…”
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Riding the Waves Towards Generic Single-Cycle Masking in Hardware by Rishub Nagpal, Barbara Gigerl, Robert Primas, Stefan Mangard

“…Research on the design of masked cryptographic hardware circuits in the past has mostly focused on reducing area and randomness requirements. However, many…”
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Scatter and Split Securely: Defeating Cache Contention and Occupancy Attacks by Giner, Lukas, Steinegger, Stefan, Purnal, Antoon, Eichlseder, Maria, Unterluggauer, Thomas, Mangard, Stefan, Gruss, Daniel

“…In this paper, we propose SassCache, a secure skewed associative cache with keyed index mapping. For this purpose, we design a new two-layered, low-latency…”
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Securing conditional branches in the presence of fault attacks by Schilling, Robert, Werner, Mario, Mangard, Stefan

“…In typical software, many comparisons and subsequent branch operations are highly critical in terms of security. Examples include password checks, signature…”
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Protecting RISC-V Processors against Physical Attacks by Werner, Mario, Schilling, Robert, Unterluggauer, Thomas, Mangard, Stefan

“…RISC-V is an emerging instruction-set architecture suitable for a wide variety of applications, which ranges from simple microcontrollers to high-performance…”
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SCFI: State Machine Control-Flow Hardening Against Fault Attacks by Nasahl, Pascal, Unterguggenberger, Martin, Nagpal, Rishub, Schilling, Robert, Schrammel, David, Mangard, Stefan

“…Fault injection (FI) is a powerful attack methodology allowing an adversary to entirely break the security of a target device. As finite-state machines (FSMs)…”
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