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Implements two-step verification of HOTP/TOTP

Project Description

cryptography has built-in two factor support now.

otpauth is One Time Password Authentication, which is usually called as two steps verification. You may have heard it from Google, Dropbox and etc.

Installation

Installing otpauth is simple with pip:

$ pip install otpauth

or, with easy_install:

$ easy_install otpauth

Usage

Generate and validate an otp code is very simple:

>>> from otpauth import OtpAuth
>>> auth = OtpAuth('secret')  # a secret string
>>> auth.hotp()  # generate a count based code, default count is 4
330810
>>> auth.valid_hotp(330810)
4
>>> auth.hotp(2)  # generate a count based code, count is 2
720111
>>> auth.valid_hotp(720111)
2
>>> auth.totp()  # generate a time based code
828657
>>> auth.valid_totp(828657)
True

Authenticator

You can create a QR code for Google Authenticator to scan:

>>> from otpauth import OtpAuth
>>> auth = OtpAuth('secret')  # a secret string
>>> s = auth.to_uri('totp', 'Example:foo@bar.baz', 'Foo')
>>> import qrcode
>>> img = qrcode.make(s)
Release History

Release History

This version
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1.0.1

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1.0

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0.3.0

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0.2.0

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0.1.2

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0.1.1

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0.1.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
otpauth-1.0.1-py2.py3-none-any.whl (5.8 kB) Copy SHA256 Checksum SHA256 2.7 Wheel May 26, 2015
otpauth-1.0.1.tar.gz (5.0 kB) Copy SHA256 Checksum SHA256 Source May 26, 2015

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