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SSH (Secure shell) is a protocol for secure communication between computers to execute remote commands, transfer data and tunnel TCP connections.

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Is ssh and public key scheme like ed25519 as safe as the hackability of your computer?

Public key cryptography in conjunction with SSH provides a way better identity checking than password authentication. … Oh and when someone can hack your computer then you have much bigger problems than worrying about him/her gainging access to your .ssh directory. …
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