this post was submitted on 26 Oct 2023
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If they have vaults downloaded, then they can rapidly brute force the vault passwords and would like be able to decrypt a lot of them.
1password protects against this by combining the password you choose with a cryptographically random 128bit “secret key”. That one isn’t getting brute forced easily.
https://1passwordstatic.com/files/security/1password-white-paper.pdf
They document their vault security highly and it’s worth reading through.
Good point. It’s been such a long time since I’ve had to use the secret that I forgot it existed.
It’s not as simple as brute forcing the password, it’s also encrypted using a secret key. You essentially have 2 factor encryption on the vaults.
If a user was social engineered, not very tech savy to catch on to it and revealed the master password, you'd only need to guess the encryption key, no?
Yes, but the encryption key is very likely more secure than the users password to begin with.