Questions tagged [security]
The security tag has no usage guidance.
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What is the purpose of a mains X2 Security Capacitor and how to determine its value?
simulate this circuit – Schematic created using CircuitLab
I am evolving an existing circuit which has a 230VAC input.
The 230VAC has multiple loads:
Transformer followed by rectifing circuit;
...
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What receiver is appropriate for studying compromising emanations in 2019?
I'm currently reading the Cambridge Technical Report Number 577, Compromising emanations: eavesdropping risks of computer displays, by Markus G. Kuhn and published in Dec 2003. In the paper, Kuhn uses ...
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How to prevent someone clone PIC [closed]
ACT 1
Okay I know there is code protection system on PIC. But it is preventing someone read the code, not copy. It looks still easy to clone and run on another circuit. Can you suggest another ...
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Is POR Secure Memory/peripherals on ARM common in real hardware just a feature of QEMU?
I've been implementing firmware for an ARMv8 processor recently and have been studying open-source tools along the way. I looked into the ARM virtual model in QEMU and came across something it refers ...
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Modify Ring Contact Sensor in a series of wired security reed switches
After reading the instructables post on the simplisafe sensor I modified the ring sensor and tried to integrate it with my wired sensors. This is what I found:
testing with a spooled wire about 20 ...
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Logic Style Level Vs Hardware Level
In the book: Advanced DPA Theory and Practice: Towards the Security Limits of Secure Embedded Circuits 1, it is explained that the countermeasures against Side-channel Cryptanalysis could be ensured ...
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Reliable sensing method for device inside a parcel to detect when/if the parcel is opened?
I'm wracking my brain for reliable ways for an electronic device to detect when/if the parcel it is sealed inside is opened.
The device will be sealed inside the package and activated via Bluetooth ...
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Wireless or wired solution for perimeter fence security?
We are currently working on a project where we would like to place around 350 vibration sensors on our university's perimeter fence for security. The field layout is almost 1km to 1km (square - 1km^2 -...
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Blow MSP430 security fuse with FET430 or MSP-FETFlash programmer
Is it possible to use a FET430, MSP-FETFlash or similar programmer to program and then blow the security fuse of the MSP430 devices?
We have 500 which already been soldered on the boards and were ...
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Why are SRAM based FPGA used more than NVM based FPGA?
SRAM based FPGAs need to load the bitstream again after power off. Meanwhile the Non-Volatile based one don't need that.
I wonder, why are more experiments and security research done on the SRAM ...
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Protect Code inside Microcontroller [closed]
As a preface, what I am asking is highly related to this question. That said, the question linked was asked in 2011 (7 years ago), and I imagine the microcontroller world has changed (at least to ...
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What makes Smartfusion2 FPGA clamed as highly secure to ensure secure booting?
Is the FPGA Smatfusion2 claimed to be highly secure by its manufacturer (Microsemi, now Mircochip) because it is a non volatile memory FPGA? Meanwhile the SRAM FPGA like the zynq 7000 are considered ...
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is it true that whether a POS can read an NFC card, that POS is compatible with HCE?
I was wondering if the host card emulation would produce the same result as an physical contactless card is producing.
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One-time fuse for disconnecting/breaking signal path
I am looking for an IC solution, ideally, but alternatively also could use a tiny circuit that would allow to accomplish the following feature:
Trigger an event by MCU that will fuse-out/disconnect ...
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Connecting Protective Earth (PE) to DC ground
This question has a bit of application background so please bear with me:
I'm working on a LED lighting system. The controller (MCU, led drivers and led supply) will be powered by a single DC ...
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