Questions tagged [obfuscation]

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3 votes
2 answers
671 views

How many wiring combinations exist for an n-pin cable/connector?

This is more a pedantic question about the possible number of wiring permutations inherent to an n-pin connector and cable. Note combinations imply that elements may be used more than once (combined),...
rdtsc's user avatar
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0 votes
1 answer
246 views

How to prevent hacking a circuit?

What are some ways to prevent hacking a circuit? Of course no circuit can be completely obfuscated. Here are some suggestions I've seen: 1) Scraping the serial numbers off of parts 2) Tainting the ...
nick carraway's user avatar
0 votes
1 answer
164 views

Adding Controlled Noise to Signal

I want to add noise to some signal. I have the option to add the noise via the software API of the system. But I also have the option to add the noise in the hardware circuit itself so there is no ...
Minaj's user avatar
  • 113
4 votes
8 answers
8k views

Can I remove the labels from ICs?

In another question I asked about ways one might obfuscate the design of a system, to prevent unauthorized cloning. One suggestion was that IC manufacturers are often willing to put custom labels on ...
Stephen Collings's user avatar
15 votes
5 answers
3k views

How can I go about obfuscating the design of my circuits and embedded controls?

I am working on a new power converter, which will likely see significant sales into China. Similar designs by my company have a history of being cloned by entities in that region. To mitigate this, I'...
Stephen Collings's user avatar