[Bug 3864] New: "Confirm user presence for key" shown twice when using a security key

[bugzilla-daemon at mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=3864

            Bug ID: 3864
           Summary: "Confirm user presence for key" shown twice when using
                    a security key
           Product: Portable OpenSSH
           Version: 9.6p1
          Hardware: amd64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: visco at riseup.net

After upgrading from Ubuntu 22.04 to 24.04.3 (OpenSSH 8.9p1 -> 9.6p1)
I've started noticing that the prompt to confirm user presence for a
hardware-backed SSH key (Yubikey 5C Nano in my case) is now shown
twice:

Enter passphrase for key '/home/user/.ssh/<key-name>.key': <passphrase>
Confirm user presence for key ED25519-SK SHA256:<hash> // not waiting
here, and hadn't been displayed before
Enter PIN for ED25519-SK key /home/user/.ssh/<key-name>.key: <PIN>
Confirm user presence for key ED25519-SK SHA256:<hash> // waiting for
my touch

This is purely cosmetic, but still I felt like reporting this.

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