OTP Documentation
=================
Standalone OTP and MFA primitives for PHP.
The library includes:
- TOTP (RFC6238)
- HOTP (RFC4226)
- OCRA (RFC6287)
- Generic OTP backed by PSR-6 cache storage
- Recovery / backup codes
- Replay protection contracts and in-memory stores
- ``otpauth://`` provisioning URI generation and parsing
.. toctree::
:maxdepth: 2
:caption: Getting Started
getting-started/installation
getting-started/quickstart
getting-started/migration
.. toctree::
:maxdepth: 2
:caption: Guides
guides/totp
guides/hotp
guides/generic-otp
guides/ocra
guides/provisioning
guides/authenticator-apps
guides/secret-rotation
guides/device-enrollment
guides/replay-protection
guides/recovery-codes
guides/step-up-auth
guides/storage
guides/custom-stores
.. toctree::
:maxdepth: 2
:caption: API
api/results
api/support
api/contracts
Indices and tables
==================
* :ref:`genindex`
* :ref:`search`
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