mirror of
https://github.com/aljazceru/nutshell.git
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@@ -3,31 +3,31 @@
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"""
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Implementation of https://gist.github.com/RubenSomsen/be7a4760dd4596d06963d67baf140406
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Alice (Client):
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Bob (Mint):
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A = a*G
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return A
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Bob (Mint):
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Alice (Client):
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Y = hash_to_curve(secret_message)
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r = random blinding factor
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B'= Y + r*G
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return B'
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Alice:
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Bob:
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C' = a*B'
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(= a*Y + a*r*G)
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return C'
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Bob:
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Alice:
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C = C' - r*A
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(= C' - a*r*G)
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(= a*Y)
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return C, secret_message
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Alice:
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Bob:
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Y = hash_to_curve(secret_message)
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C == a*Y
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If true, C must have originated from Alice
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If true, C must have originated from Bob
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"""
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import hashlib
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