coincurve13.0.0 generate hash message from private key

coincurve.py

coincurve                 13.0.0                   pypi_0    pypi

Python 3.7.4 (default, Aug 13 2019, 15:17:50)
[Clang 4.0.1 (tags/RELEASE_401/final)] :: Anaconda, Inc. on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from cryptography.hazmat.backends import default_backend
>>> from cryptography.hazmat.primitives.asymmetric import rsa
>>> private_key = rsa.generate_private_key(
... public_exponent=65537,
... key_size=2048,
... backend=default_backend()
... )
>>> from cryptography.hazmat.primitives import hashes
>>> from cryptography.hazmat.primitives.asymmetric import padding
>>>
>>> message = b"A message I want to sign"
>>> signature = private_key.sign(
... message,
... padding.PSS(
... mgf=padding.MGF1(hashes.SHA256()),
... salt_length=padding.PSS.MAX_LENGTH
... ),
... hashes.SHA256()
... )
>>> signature
b'Y\xf5\xe8\x80\xf6\xd2\xa8D:\xbc\xbd\x0b\xf5\x1bM\xbf7`\x87\x17\xb5\x9e\xab\xaes\xb3Z\xb81\xa4\xe6\xe8\xc2\xbe>\x99\xf1\x0f\x85\xc6\x82\xfa\xebL\n\x1d\xc5\xa9\xfa\xa6p\xf7g\x98FBs\x81\xf5\x8f\x9c=\xc7\x9aW\x14\x11\xbb\xde\xbe\xdd\xd8y\x81\\\x1cpj\xe6\xc3\xae\xca\x16lf]w\xe1\xd5Z\xd9\xfdH\xf1\xd5\xde \x8d\xc5\x8d\x06v>\x98p\xf6\xdd,U\x81\xe5\xb3h?`\xce\xee\x12\xf1#\x12\x80\x04\'\x86tHh\xbf/\xc2\x9d\xbe\xc9{\xc1\xaf\x13n-0\xf0\x91\x91M2\x83z\x90*^\xa2\x9d\x8e\xcf\xb3\xa1jX0\xdf\xa4Ra\xe8`\x96\x8e\x0cP\xd3\xe9\x90Q\xb9y"\xff\x16q\x1f\\h\x12\xb8 \'\xdd\x13\x06\x03\x92\x9c\xae=]g\x9e`\xb2\xa5\xad\xd7\xd26ug}\xc0\xaa\xc2I\xb0\x0c\x99\xddc\x1e\xe1\xf6\x16\xb5\xa9](US\xb0}\x9f\xf6\x18k\x8d\x8f\xcf\xc1\xa4\x03\xde\x8fID\x11\xde\xab\xcd\x96\xaf\x1cd\xa7\xa9\xacX\x8b'
>>> import base64
>>> print( base64.urlsafe_b64encode(signature))
b'WfXogPbSqEQ6vL0L9RtNvzdghxe1nquuc7NauDGk5ujCvj6Z8Q-FxoL660wKHcWp-qZw92eYRkJzgfWPnD3HmlcUEbvevt3YeYFcHHBq5sOuyhZsZl134dVa2f1I8dXeII3FjQZ2Pphw9t0sVYHls2g_YM7uEvEjEoAEJ4Z0SGi_L8Kdvsl7wa8Tbi0w8JGRTTKDepAqXqKdjs-zoWpYMN-kUmHoYJaODFDT6ZBRuXki_xZxH1xoErggJ90TBgOSnK49XWeeYLKlrdfSNnVnfcCqwkmwDJndYx7h9ha1qV0oVVOwfZ_2GGuNj8_BpAPej0lEEd6rzZavHGSnqaxYiw=='
>>> print( base64.urlsafe_b64encode(b'0E\x02!\x00\xa3D/\xaa\xe2\'Q\xdc\xf9\xe6\xc7\xa3mA\xec\x18\xf3|\xd3z_\xf19\x80\xd9\xe7\xab6b*\xdb\x13\x02 \\\xe4\xc8\xee\x16\x9b\xc7\xf3;\x11\xed,\x19\xe0\xcc\xdb1ur\xbb\xeax\xec"\xac\xdb\xcb(\'0n\xa1'))
b'MEUCIQCjRC-q4idR3Pnmx6NtQewY83zTel_xOYDZ56s2YirbEwIgXOTI7habx_M7Ee0sGeDM2zF1crvqeOwirNvLKCcwbqE='
>>>