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by jarfil
2838 days ago
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Some parts of a computer are easier to access than others. Like, it's quite easy to access the contents of a hard drive, but not so much some value stored in a particular register in the CPU. That's why it makes sense to encrypt data stored on a hard drive, but we expect the CPU to be able to handle plaintext securely. Turns out, we should think of RAM more like a hard drive than like something internal to the CPU. |
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