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Update Google Authenticator links

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Google Authenticator has moved to github; this pr reflects the move and the updated URIs.
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Damian Bushong 2015-03-16 18:24:21 -05:00
parent ba0a67b926
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[![Build Status](https://travis-ci.org/guyht/notp.svg)](https://travis-ci.org/guyht/notp)
# Node One Time Password library
Simple to use, fast, and with zero dependencies. The Node One Time Password library is fully compliant with [HOTP](http://tools.ietf.org/html/rfc4226) (counter based one time passwords) and [TOTP](http://tools.ietf.org/html/rfc6238) (time based one time passwords). It can be used in conjunction with the [Google Authenticator](http://code.google.com/p/google-authenticator/) which has free apps for iOS, Android and BlackBerry.
Simple to use, fast, and with zero dependencies. The Node One Time Password library is fully compliant with [HOTP](http://tools.ietf.org/html/rfc4226) (counter based one time passwords) and [TOTP](http://tools.ietf.org/html/rfc6238) (time based one time passwords). It can be used in conjunction with the [Google Authenticator](https://github.com/google/google-authenticator/) which has free apps for iOS, Android and BlackBerry.
# Installation
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## Google Authenticator
[Google authenticator](https://code.google.com/p/google-authenticator/) requires that keys be base32 encoded before being used. This includes manual entry into the app as well as preparing a QR code URI.
[Google authenticator](https://github.com/google/google-authenticator/) requires that keys be base32 encoded before being used. This includes manual entry into the app as well as preparing a QR code URI.
To base32 encode a utf8 key you can use the `thirty-two` module.
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var uri = 'otpauth://totp/somelabel?secret=' + encodedForGoogle;
```
Note: If your label has spaces or other invalid uri characters you will need to encode it accordingly using `encodeURIComponent` More details about the uri key format can be found on the [google auth wiki](https://code.google.com/p/google-authenticator/wiki/KeyUriFormat)
Note: If your label has spaces or other invalid uri characters you will need to encode it accordingly using `encodeURIComponent` More details about the uri key format can be found on the [google auth wiki](https://github.com/google/google-authenticator/wiki/Key-Uri-Format)
# API
##hotp.verify(token, key, opt)