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287 points robin_reala | 1 comments | | HN request time: 0s | source
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dzhiurgis ◴[] No.44375315[source]
Hol up. So what stops you from uploading custom photo + metadata onto random chip and planting it in a fake passport?
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edent ◴[] No.44375342[source]
The data are signed with the passport issuing authority's private key.

So you could implement a chip which reacts like an official passport. When the border guards see that the signature is invalid, you can explain how it's just a prank and you'll all have a jolly good laugh about it.

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1. wkat4242 ◴[] No.44375612[source]
I doubt border guards know what a cryptographic signature is. But they'll probably have a big red marker that tells them to hold you and get someone who knows :)