Comment on Google will now make passkeys the default for personal accounts

• smileyhead@discuss.tchncs.de ⁨1⁩ ⁨year⁩ ago

  You don’t need to export or know what is the key.

  But is it possible in the implementation of Android/iOS?

  Backups are a thing. With SSH keys I have different key for every device too, but as they are stored in an accessable file (as all computer data should be) they are backed up with the rest of the system.

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  • Tibert@jlai.lu ⁨1⁩ ⁨year⁩ ago

    So first, no, all the fils should be accessible : There are special not “files”, but keys, like the key used for thys system. These keys pose a huge security risk of they are leaked somehow. The key can be something used to encrypt the device/disk. Encrypt a connection, and other things associated with encryption.

    And because of that security risk, they are often stored in a special chip or simulated chip (like the simulated tpm 2.0 on pc processors), and not just “stored” so any malware or who knows what can access them just by reading the drive.

    Second, the key is never transfered. When you connect to another device, that other device will get another key. Or maybe could it be backed up somehow in case of recovery on another phone? But that would defeat the entire purpose of this.

    How Google can do to allow you to connect to another device if the first one is lost, not sure. But it would certainly either ask for a password and a 2fa method.

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    • jarfil@lemmy.world ⁨1⁩ ⁨year⁩ ago

      How Google can do to allow you to connect to another device if the first one is lost, not sure. But it would certainly either ask for a password and a 2fa method.

      That’s the key question. From what it seems, it would replace a password manager with different passwords for each website, but you give Google control of the master password.

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      • Tibert@jlai.lu ⁨1⁩ ⁨year⁩ ago

        It is not for the password manager…

        It’s just to connect to the google account.

        It is not a service to connect to other ones without passwords.

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  • hedgehog@ttrpg.network ⁨1⁩ ⁨year⁩ ago

    Keys are stored in the equivalent of iOS’s Secure Enclave (actual name is implementation specific: ARM’s TrustZone, Samsung’s KNOX, Pixel’s Titan M, etc): howtogeek.com/…/your-smartphone-has-a-special-sec…

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  • AA5B@lemmy.world ⁨1⁩ ⁨year⁩ ago

    I just replaced my iPhone, and the few places I “sign in with Apple” still work in the new phone. Yes, you can back it up and restore to a different device. I assume you can also use it across devices but I haven’t tried that

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    • smileyhead@discuss.tchncs.de ⁨1⁩ ⁨year⁩ ago

      This is something different to PassKeys. “Sign in with Apple” is Apple telling online service “let him in”, while PassKeys is storing your authentication data on your device.

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