.. _sphx_glr_api_gallery_crypto_blind_signatures:

Blind signatures
----------------

Chaum's RSA blinding: authorization without seeing the message.


.. 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="Chaum&#x27;s construction separates authorization from knowledge of a message. This experiment exposes RSA&#x27;s multiplicative blinding identity with tiny integers; a usable payment system needs encoding, issuance, and spent-token rules.">

.. only:: html

  .. image:: /api/gallery/crypto/blind_signatures/images/thumb/sphx_glr_plot_01_blind_signatures_thumb.png
    :alt:

  :doc:`/api/gallery/crypto/blind_signatures/plot_01_blind_signatures`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Chaum's blind signatures: authenticate a message the signer cannot see (1982)</div>
    </div>


.. thumbnail-parent-div-close

.. raw:: html

    </div>


.. toctree::
   :hidden:

   /api/gallery/crypto/blind_signatures/plot_01_blind_signatures