Questions tagged [cryptography]

63 questions
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how to sign a binary in Linux?

I have a Linux device that needs to be able to perform a software update of some binaries that may be coming from an insecure source I'd like to find a way to sign these binaries using a public/private key such that the device uses the key to verify…
stuck
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Is uploading your openssh public key to ~/.ssh/ for a given user safe?

I like to upload my public key (eg: ~/.ssh/id_rsa.pub) to various servers that I connect to on various networks for work. I use this same public key on github. If I am on a shared user account and I put my public key there, can someone just take it…
Zombies
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Which mobile VPN type, of IPSec, SSL/TLS, and SSH, would be better for travelling workers?

Not too sure on the specifics of each that would make one better for travelling.
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