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author | Anthony Towns <aj@erisian.com.au> | 2019-08-24 15:08:05 +1000 |
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committer | Pieter Wuille <pieter.wuille@gmail.com> | 2020-01-19 14:47:33 -0800 |
commit | 4491902569315b375f5bd41e66d0a21a4e570852 (patch) | |
tree | 45e0c039435e373328449fcc0ee61505f4352eaf | |
parent | 0d04e41e2f5a588300e5c6603f40e5538e1e0e54 (diff) |
note about pubkey collision
-rw-r--r-- | bip-schnorr.mediawiki | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/bip-schnorr.mediawiki b/bip-schnorr.mediawiki index 9c80cd5..bb2f9dc 100644 --- a/bip-schnorr.mediawiki +++ b/bip-schnorr.mediawiki @@ -128,6 +128,8 @@ To generate the corresponding public key: * Fail if ''int(sk) = 0'' or ''int(sk) >= n'' * The public key corresponding to secret key ''sk'' is ''pubkey(sk)''. +Note that the two secret keys ''sk'' and ''bytes(n-int(sk))'' will generate the same public key. + Alternatively, the public key can be created according to [https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki BIP32] which describes the derivation of 33-byte compressed public keys. In order to translate such public keys into bip-schnorr compatible keys, the first byte must be dropped. |