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Replace R with P in taproot_tweak_seckey

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Orfeas Stefanos Thyfronitis Litos committed 2019-11-13 14:00:03 +00:00
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commit 7bce5a0930
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bip-taproot.mediawiki
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@@ -194,7 +194,7 @@ def taproot_tweak_pubkey(pubkey, h):
def taproot_tweak_seckey(seckey0, h):
P = point_mul(G, int_from_bytes(seckey0))
seckey = SECP256K1_ORDER - seckey0 if not has_square_y(R) else seckey
seckey = SECP256K1_ORDER - seckey0 if not has_square_y(P) else seckey
t = int_from_bytes(tagged_hash("TapTweak", bytes_from_int(x(P)) + h))
if t >= SECP256K1_ORDER:
raise ValueError