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[Question] -Is this possible?
https://forum.yubico.com/viewtopic.php?f=26&t=1999
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Author:  abollmeyer [ Sun Aug 16, 2015 2:54 pm ]
Post subject:  [Question] -Is this possible?

Hello,

I have configured my Yubikey NEO to my liking on a computer. Slot 1 is configured for OTP, and works with LastPass and Google Apps. Slot 2 is configured for a static password to log me into LastPass without having to enter the master password each time.

The last thing I would like to do is configure the Yubikey to communicate the static password to my Android device to fill in my LastPass master password.

Is this possible? Do I have enough slots to do what I want to do? I want to keep the current configuration and simply add NFC capability for the static password.

Author:  abollmeyer [ Fri Aug 21, 2015 12:40 pm ]
Post subject:  Re: [Question] -Is this possible?

Ok. So I have found several posts on this topic but can't get them to work. Seems pretty straightforward.

1) Go into Tools -> NDEF Programming.
2) Select Configuration Slot 2.
3) Enter NDEF Payload as -> https://lastpass.com/mobile/?otp=

This opens up the LastPass app, but it never receives the password.

If I use the default "https://my.yubico.com/neo/", this works with YubiClip. Is YubiClip safe enough to use on Android?

Any ideas what I'm doing wrong, or should I move my question to the LastPass forums?

Author:  Tom2 [ Fri Aug 21, 2015 3:00 pm ]
Post subject:  Re: [Question] -Is this possible?

...You cannot have 2 different information flying over NFC

You either sent the OTP ...OR... you send the password.

Author:  abollmeyer [ Wed Aug 26, 2015 1:49 am ]
Post subject:  Re: [Question] -Is this possible?

Well I don't have 2 different pieces of information "flying". As per my previous posts, I configured the first slot for OTP. The second slot is configured for a static password that I send over NFC. This works.

Where I am having trouble is trying to configure the Yubikey, as per the forums at Lastpass and Yubico, to send the static password to my phone's Lastpass app. I can get it to work using the YubiClip app, but this is a security issue because the YubiClip app doesn't clear the clipboard like it's supposed to, and I'd rather not have to manually do it every time I want to use Lastpass if I don't have to.

Basically, I paid $50 for a piece of hardware that came with a slip of paper that says "yubico.com" instead of instructions on what it claims it can do.

Author:  DavidW [ Thu Sep 03, 2015 6:35 pm ]
Post subject:  Re: [Question] -Is this possible?

The usual setup with LastPass, IMHO, is to enter the Master Password manually, then use a Yubikey NEO for a Yubikey OTP. This is much more secure than using a NEO for a static Master Password, also it doesn't require the Yubikey to be reconfigured from the factory NDEF configuration.

The NEO you use when mobile has to be in Yubikey slot 1 on your LastPass account, otherwise the 2FA fails on the Android app in my experience. Moreover, you may need to change your Master Password after changing the slot 1 contents before things start working correctly in the app.

You should configure a backup form of 2FA - another Yubikey if you have one or another method as an alternative.

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