.. _sphx_glr_api_gallery_crypto_hash_signatures:

Hash-based signatures
---------------------

Signatures built from nothing but a one-way function.


.. raw:: html

  <div id='sg-tag-list' class='sphx-glr-tag-list'></div>


.. raw:: html

    <div class="sphx-glr-thumbnails">

.. thumbnail-parent-div-open

.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Lamport built a signature from nothing but a one-way function. The private key is 256 pairs of random strings; the public key is their hashes. To sign, reveal one string from each pair, chosen by the bits of the message digest.">

.. only:: html

  .. image:: /api/gallery/crypto/hash_signatures/images/thumb/sphx_glr_plot_01_lamport_signatures_thumb.png
    :alt:

  :doc:`/api/gallery/crypto/hash_signatures/plot_01_lamport_signatures`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Lamport one-time signatures: signing with only a hash (1979)</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /api/gallery/crypto/hash_signatures/plot_01_lamport_signatures