WhatsApp rolls out passkey function for iOS

WhatsApp has started to introduce passkeys in the iOS version of the messenger. The secure login is an alternative to the one-time password sent via SMS.

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2 min. read
This article was originally published in German and has been automatically translated.

In future, the iOS version of the WhatsApp messenger will also support passkeys for logging into the service. The cryptographic key can be used as an alternative to sending an SMS with a one-time password. The new function will be rolled out gradually for all iOS users in the coming weeks, Meta announced. The option has been available for Android users since October 2023.

Passkeys are stored locally on the device and protected by biometric features such as fingerprints or facial recognition. Entering the device PIN code is another way to start the passkey login process. Passkeys are considered more secure than passwords because the device only sends a public key to the service, which is paired with the private key on the device. The private key is not transmitted.

The device on which the passkey was generated can be used in conjunction with other devices as a type of login key. If, for example, a page is called up on the desktop computer that enables login via passkey, a QR code is usually displayed that can be scanned with the smartphone. The smartphone is then used to confirm the login and authenticate the user.

Passkey verification can be activated in the app under Settings > Account > Passkeys – if it is already displayed there. In our test, the option was not yet available there.

(mki)