Questions tagged [security]
The security tag has no usage guidance.
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Detection range of unintentional emissions by battery powered video recording devices?
I have read about unintentional radiators, but wonder about what their unwanted emissions detection range can be in low background noise, referring to battery powered motion-sensor activated video ...
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Why does a slightly out of specs power supply works and what are the possible consequences? [closed]
I have the following lamp:
Its power supply is rated at 5.6V and 2.68A blew up some time ago.
I then went to an electronics shop where I've been suggested that I could replace it by a universal power ...
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Thunderstorm reseting my micro-controller
I think this is a follow up from my previous question. If not then please ignore it.
I have created a very basic (crude) alarm system that uses a reed switch. Luckily there was a thunderstorm and some ...
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Can a USB key data be erased by a upsurge in the voltage?
Say I want to design a USB key that would hold personal information. And I want to have a kill switch that would make the NAND memories just destroy or change status instantly by an upsurge of voltage....
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Building a simple microphone jammer
A microphone jammer is a device that broadcasts ultrasound waves and, due to the non-linearity of mic amplifiers in small gadgets (i.e. smartphones) it overwhelms the microphone so the only sound the ...
user261126
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Simple security Alarm incorrect schematic diagram
I am a student and my Applied Physics teacher gave an assignment to create a schematic diagram of a security alarm. The main Components are,
Switch (Simple on/off)
SCR C106B (Silicon Controlled ...
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electric bedroom heated mattress vs danger
We have one 220v electric bedroom heated mattress which repaired by ordinary repairman and changed its board, the circuit is this kind:
And the burned spot in the Blanket:
Its used some resistor and ...
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How do I implement authentication on an embedded device? [closed]
I have been reading a lot about encryption lately but most sources just care about making sure that the connection between two parties is secure. I want to know how I can be sure that the party I am ...
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Problem with understanding the circuit related to stable matching security
I am trying to understand a circuit used for stable matching. The paper title is:
MPCircuits: Optimized Circuit Generation for Secure Multi-Party Computation and is available :
here
I am attaching the ...
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Hardware Secure Elements
After checking multiple suppliers and reading about HW secure elements, I would like to understand the use of this type of electronic components.
Maybe I´m wrong, but it seems a HW secure element ...
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Strategy against Side Channel Attack
I am newbie to Hardware Security. While studying Side Channel Attack, I realized that power consumption profile of electronic control unit is a key to encrypt what algorithm runs on it. I thought ...
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Secure storage of Data in external EEPROM
I am working in designing of a prepaid energy meter.
One of the most things I should store are (private key, credit and cumulative energy).
The private key is stored only once.
The credit and ...
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Protection against a circuit being closed too long or failing closed
I'm prototyping a device that allows me to electronically open my front door, which it accomplishes by using a relay to close an existing circuit in my house. All I know about this circuit is that it ...
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Side-channel leakage and instruction types on microcontrollers
Since the end of 90s, it is known that side-channels (e.g. execution time, power consumption, electromagnetic emanations) of computation platforms can be analysed to recover information on data being ...
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Can an Integrated Circuit ROM ever be secured [closed]
This presentation which includes embedding public asymmetric crypto assets in a micro-controller on chip ROM suggests that there are, but I am sceptical.
Is it the case that there is nothing that can ...
