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Nov
15
comment Lost my PGP private key, what's next?
Depending what you mean by "formatted", it might still be possible for you to restore files, including the key. If you actually wrote the disk full of zeroes/random data, then not so much, but if you just eg. initialized an empty filesystem on top of the old one, all of the data should still be there.
Oct
19
comment Breaching security of a notebook with full disc encryption when screen is locked
Also, IIRC firewire devices have free access to host memory, and there's even existing software available that'll get you in to many OS versions, so definitely within reach for CS/EE students. Not sure if eg. newer hardware has anything to mitigate this, for example something like IOMMU between firewire DMA and host memory.
Sep
12
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Sep
12
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