The *public* key needs to be in the CPU. The *private* key is only needed when I... | Hacker News

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		cperciva on July 19, 2022 \| parent \| context \| favorite \| on: Intel Microcode Decryptor The public key needs to be in the CPU. The private key is only needed when Intel needs to sign new microcode.

pabs3 on July 20, 2022 [–]

Isn't this an encryption key not a signing key? There are of course signing keys involved too though.

cperciva on July 20, 2022 | [–]

There's both. The encryption (decryption) key has leaked. The original question was about "making your own microcode", for which you would need the (not leaked, and unlikely to leak) private signing key.

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