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18 lines
579 B
Python
18 lines
579 B
Python
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#Elliptic Curve Diffie Helman with ed25519
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#ecdhgen and ecdhretrieve translated into MiniNero from implementation by TacoTime
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import MiniNero
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import PaperWallet
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def ecdhGen(P):
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ephembytes, ephempub = PaperWallet.skpkGen()
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sspub = MiniNero.scalarmultKey(P, ephembytes) #(receiver pub) * (sender ecdh sk)
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ss1 = MiniNero.cn_fast_hash(sspub)
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ss2 = MiniNero.cn_fast_hash(ss1)
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return ephembytes, ephempub, ss1, ss2
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def ecdhRetrieve(x, pk):
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sspub = MiniNero.scalarmultKey(pk, x)
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ss1 = MiniNero.cn_fast_hash(sspub)
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ss2 = MiniNero.cn_fast_hash(ss1)
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return ss1, ss2
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