Hardware security keys also use original domains of sites to generate its keys, which means it can't be tricked by phishing sites.

But it happens in the background without any input from you, other than you inserting the hardware security key into your device. The hardware physical key will use the nonce and checksum to regenerate its private key, and then it'll sign the number that was sent to it by the server, which ultimately verifies and unlocks your online account with your public key.Īll this sounds complicated.When you enter your login credentials into an online account, the server will send that nonce and checksum back to your hardware security key along with a different number.Your hardware security key will also send a random number (called nonce), which is used to generate your keys, as well as another number (called a checksum), which serves to identify your specific hardware security key.But the public key will be sent to a server.The private key never leaves your hardware security key.Your hardware security key will randomly generate a public and private key pair.Pocket-Lint Recommendation: Nintendo Switch.Pocket-Lint Recommendations: Xbox Console.Pocket-Lint Recommendation: Google Nest.Pocket-Lint Recommendation: Amazon Echo Devices.Pocket-Lint Recommendations: Fire TV Stick.

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