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SPAKE2 password-authenticated key exchange (in pure python).
This library implements the SPAKE2 password-authenticated key
exchange ("PAKE") algorithm. This allows two parties, who share a
weak password, to safely derive a strong shared secret (and
therefore build an encrypted+authenticated channel).
https://github.com/warner/python-spake2
Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
23 lines
448 B
Python
23 lines
448 B
Python
from binascii import hexlify
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from spake2 import SPAKE2_A, SPAKE2_B
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shared_password = b"This Is The Password!"
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alice = SPAKE2_A(shared_password)
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alice_msg = alice.start()
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bob = SPAKE2_B(shared_password)
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bob_msg = bob.start()
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# Alice and Bob exchange their messages...
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alice_key = alice.finish(bob_msg)
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bob_key = bob.finish(alice_msg)
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print("alice_key:", hexlify(alice_key))
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print(" bob_key:", hexlify(bob_key))
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assert alice_key == bob_key
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