New answers tagged ubuntu
0
votes
Auto-unlock private key: which implications?
would be my passphrase saved somewhere on disk, or only in memory ?
The ssh-agent only holds your unencrypted private key in memory while you’re logged in. Obviously the passphrase is used to unlock ...
-1
votes
How resiliant is a private key passphase to brute force attacks?
We all know about estimation of risks, entropy, etc.
But let's look at this documentation from another perspective. Read the entire paragraph:
An SSH key passphrase is a secondary form of security ...
6
votes
How resiliant is a private key passphase to brute force attacks?
Here is a benchmark of hashcat on a NVidia RTX 4090.
It lists these speeds for OpenSSH private keys:
Hash-Mode 22911: 4382.6 MH/s (61.07ms) @ Accel:128 Loops:512 Thr:32 Vec:1
Hash-Mode 22921: 15080....
3
votes
How resiliant is a private key passphase to brute force attacks?
A good password/passphrase is practically impossible to crack.
Passwords on SSH keys are hashed using an iterative hash. The -a option to ssh-keygen can be used to increase the number of iterations. ...
0
votes
Beginner in VPN, how to pick a safe one?
Look for services that operate transparently, offer flexible and/or modern technology for connectivity as well as privacy friendly payment methods. It’s a lot of boring, simple research
To assess ...
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