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refactor: use {Read,Write}BE32 helpers for BIP32 nChild (de)serialization

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This commit is contained in:
Sebastian Falbesoner 2021-10-05 23:53:33 +02:00
parent 113b863f07
commit 7fc487afd1
3 changed files with 5 additions and 10 deletions
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5
src/hash.cpp
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@ -75,10 +75,7 @@ unsigned int MurmurHash3(unsigned int nHashSeed, Span<const unsigned char> vData
void BIP32Hash(const ChainCode &chainCode, unsigned int nChild, unsigned char header, const unsigned char data[32], unsigned char output[64])
{
unsigned char num[4];
num[0] = (nChild >> 24) & 0xFF;
num[1] = (nChild >> 16) & 0xFF;
num[2] = (nChild >> 8) & 0xFF;
num[3] = (nChild >> 0) & 0xFF;
WriteBE32(num, nChild);
CHMAC_SHA512(chainCode.begin(), chainCode.size()).Write(&header, 1).Write(data, 32).Write(num, 4).Finalize(output);
}