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Big Tech passkey implementations are a trap | Proton (proton.me)

submitted 8 months ago by [email protected] to c/technology

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Big Tech has implemented passkeys in a way that locks users into their platforms rather than providing universal security
Passkeys were developed to replace passwords for better account security, but their rollout by Apple and Google has limited their potential
Proton Pass offers passkeys that are universal, easy to use, and available to everyone for improved online security and privacy.

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[–] [email protected] 3 points 8 months ago* (last edited 8 months ago)

Asymmetric cryptographic signing keypairs. An ECDSA variant is used to create and validate signatures. Your device creates a unique keypair per domain you register on. It only sends signatures, which doesn't reveal what the secret key is, and each signature is based on a single use challenge value.