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SECP256K1 vector creation
=========================
This page documents the code that was used to generate the SECP256K1 elliptic
curve test vectors as well as code used to verify them against another
implementation.
Creation
--------
The vectors are generated using a `pure Python ecdsa`_ implementation. The test
messages and combinations of algorithms are derived from the NIST vector data.
.. literalinclude:: /development/custom-vectors/secp256k1/generate_secp256k1.py
Download link: :download:`generate_secp256k1.py
</development/custom-vectors/secp256k1/generate_secp256k1.py>`
Verification
------------
``cryptography`` was modified to support the SECP256K1 curve. Then
the following python script was run to generate the vector files.
.. literalinclude:: /development/custom-vectors/secp256k1/verify_secp256k1.py
Download link: :download:`verify_secp256k1.py
</development/custom-vectors/secp256k1/verify_secp256k1.py>`
.. _`pure Python ecdsa`: https://pypi.python.org/pypi/ecdsa
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