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Titanous
 Post subject: Yubikey Ruby Gem
PostPosted: Fri Apr 03, 2009 3:00 am 
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Joined: Fri Mar 27, 2009 11:08 pm
Posts: 1
I've written a rubygem that decodes, decrypts, and parses Yubikey OTPs.

Install it by running
Code:
sudo gem install yubikey

The source is available at http://github.com/titanous/yubikey

The gem wraps the C library for ModHex decoding, AES decryption, and CRC verification.

Let me know if you have questions.
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gigdates
 Post subject: Re: Yubikey Ruby Gem
PostPosted: Mon Jul 16, 2012 6:05 pm 
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Joined: Mon Jul 16, 2012 5:59 pm
Posts: 1
Titanous wrote:
I've written a rubygem that decodes, decrypts, and parses Yubikey OTPs.

Install it by running
Code:
sudo gem install yubikey

The source is available at http://github.com/titanous/yubikey

The gem wraps the C library for ModHex decoding, AES decryption, and CRC verification.

Let me know if you have questions.


I went to https://upgrade.yubico.com/getapikey/ and generated a secret key. This key looks like AES because it ends with an = sign.

I tried this key when calling Yubikey::OTP.new(otp, key) and I get the following error.

Yubikey::OTP::InvalidKeyError: Key must be 32 hex characters

I then went to http://demo.yubico.com/php-yubico/Modhex_Calculator.php and tried a bunch of different combinations but the results are the same.

HELP! :(
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Klas
 Post subject: Re: Yubikey Ruby Gem
PostPosted: Mon Aug 06, 2012 8:26 am 
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Joined: Thu Apr 19, 2012 1:45 pm
Posts: 148
Hello,

That code looks to be for decrypting OTPs, not verifying them. If you look at https://github.com/titanous/yubikey there is an example for verifying OTP with Yubikey::OTP::Verify

/klas
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