Collaborate Disseminate
From the documentation of Yubikey and passkeys, I got the impression that the passkey implementation is based on FIDO2, because they say the limit is 25 keys:
Currently, YubiKeys can store a maximum of 25 passkeys.
FIDO2 – the YubiKey 5 c… Continue reading Some questions on Yubikey, FIDO2, and passkeys
I just started using a Yubikey 5. I’ve set up GPG according to this excellent guide, and now I have 3 working ECC key pairs on my Yubikey: Sign/S :: ed25519, Encrypt/E :: cv25519, Authentication/A :: ed25519.
Now I want to use my Yubikey t… Continue reading Certify using Yubikey
I’m looking into potentially acquiring one or two Yubikeys for additional security around the web. Looking at a Yubikey like below, I can’t help but think that these things are fragile and might end up physically damaged quite quickly, esp… Continue reading Physically speaking, how durable are Yubikeys? [closed]
It is typically recommended to enable 2FA wherever possible. Moreover, it is typically recommended to enable not just any 2FA method, but Yubikeys in particular.
Yubikeys are considered to be the strongest available 2FA method. They are ni… Continue reading How do Yubikeys improve security if I am typically also forced to enable other, weaker 2FA methods?
I would like to be able to save an onion (v3) address, without the final string .onion inside a yubikey safely.
I want the yubikey that provide this address in plain text at the touch event.
I have tried storing them in address slot 2 as i… Continue reading store onion address inside yubikey [migrated]
I’d like to use YubiKey Bio for SSH-logins. I’m wondering how often I have to show my fingerprint for authentication when I start new sessions. What’s the interval? If I start a new session every 5 minutes, do I need to use the key each ti… Continue reading YubiKey Bio for SSH login: Do I have to reauthenticate?
I bought new yubikey 5n for workstations. but i mistaked at create new key on existed keyrings.
So, current keyring is it.
pub rsa4096/[HIDE] 2022-12-08 [SC] [expires: 2026-12-07]
[HIDE1-long Hex]
[uid and sigs]
sub rsa4096/[HEX1… Continue reading Only three new key migrate to new master key [migrated]
Issue
The Yubico Authenticator App is not opening. I’ve create a support ticket: #444168
Details
Device: YubiKey 5C NFC
macOS Sonoma v14.1
Yubico Authenticator app v6.3.0
Attempted solutions
Uninstall and reinstall the latest versi… Continue reading Yubico Authenticator App not opening on macOS Sonoma [closed]
Is the 32 OATH QR code account limit on Yubikeys due to a storage constraint?
Because the Yubikey 5 series has been out for a few years now it’d be amazing if there is a new version released soon with increased OATH account capacity.
… Continue reading Why are Yubico Yubikeys limited to 32 OATH accounts?
I wonder if the NSA can force Yubico (or their secure element chip supplier), a US company located in Palo Alto, California, to hand over the private keys stored in the secure element of the yubikey by means of a national security letter?
… Continue reading Can the private key inside a yubikey be known to anyone, e.g. the NSA?