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Stricter BIP32 decoding and test vector 5

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This commit is contained in:
Pieter Wuille
2021-08-30 12:02:04 -04:00
parent 7be143a960
commit 56a42f10f4
3 changed files with 35 additions and 1 deletions
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src/pubkey.cpp
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@@ -333,6 +333,7 @@ void CExtPubKey::Decode(const unsigned char code[BIP32_EXTKEY_SIZE]) {
nChild = (code[5] << 24) | (code[6] << 16) | (code[7] << 8) | code[8];
memcpy(chaincode.begin(), code+9, 32);
pubkey.Set(code+41, code+BIP32_EXTKEY_SIZE);
if ((nDepth == 0 && (nChild != 0 || ReadLE32(vchFingerprint) != 0)) || !pubkey.IsFullyValid()) pubkey = CPubKey();
}
bool CExtPubKey::Derive(CExtPubKey &out, unsigned int _nChild) const {