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jenspfahl / ANOTHERpass

Another approach of a password manager
https://anotherpass.jepfa.de
GNU General Public License v3.0
58 stars 3 forks source link

Heads-up on quantum supremacy risks #25

Closed llebout closed 1 year ago

llebout commented 1 year ago

Hello,

On your website you write:

"Many password managers use the cloud to sync between platforms. So you have to trust that NSA doesn’t read your encrypted passwords from the cloud and tries to crack your master password with a quantum computer."

Most common implementations of master passwords are symnetric encryption such as AES, AES and others symnetric encryption algorithms are not threatened by quantum supremacy. Only asymnetric encryption algorithms are at risk, such as RSA or ECDSA.

https://crypto.stackexchange.com/questions/25389/are-there-any-quantum-resistant-symmetric-encryption-schemes

Namely, AES-256 is quantum-safe.

Regards

jenspfahl commented 1 year ago

Thanks for your remarks. You are right, i have updated this sentence.