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That image is still highly misleading, you can see from the overlayed optical image that the CPU is not coated. Ideally you'd want to coat any metal surface with black epoxy, and s…

So if I understand you correctly (Noob here), Alice would need to sign the pair (key.enc, file.enc) to authenticate that those files originated from her. Without that, Bob could po…

Is it wrong to use openssl to encrypt files? 0. (Only once) generate key pair id_rsa.pub.pem, id_rsa.pem 1. Generate random key openssl rand -base64 32 > key.bin 2. Encrypt key ope…