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| author | Sebastian Falbesoner <sebastian.falbesoner@gmail.com> | 2021-10-05 23:53:33 +0200 |
|---|---|---|
| committer | Sebastian Falbesoner <sebastian.falbesoner@gmail.com> | 2021-10-05 23:53:33 +0200 |
| commit | 7fc487afd1249eee97651a0eec0630d7e421924f (patch) | |
| tree | 9c5af1b70afc8d53a9e0bb96a012fe0429c1965e /src | |
| parent | 113b863f0773999497f952daa6539a03a66a9de3 (diff) | |
| download | bitcoin-7fc487afd1249eee97651a0eec0630d7e421924f.tar.xz | |
refactor: use `{Read,Write}BE32` helpers for BIP32 nChild (de)serialization
Diffstat (limited to 'src')
| -rw-r--r-- | src/hash.cpp | 5 | ||||
| -rw-r--r-- | src/key.cpp | 5 | ||||
| -rw-r--r-- | src/pubkey.cpp | 5 |
3 files changed, 5 insertions, 10 deletions
diff --git a/src/hash.cpp b/src/hash.cpp index 92c923fbd2..0e5bd975e4 100644 --- a/src/hash.cpp +++ b/src/hash.cpp @@ -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); } diff --git a/src/key.cpp b/src/key.cpp index 40df248e02..39155e4311 100644 --- a/src/key.cpp +++ b/src/key.cpp @@ -343,8 +343,7 @@ CExtPubKey CExtKey::Neuter() const { void CExtKey::Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const { code[0] = nDepth; memcpy(code+1, vchFingerprint, 4); - code[5] = (nChild >> 24) & 0xFF; code[6] = (nChild >> 16) & 0xFF; - code[7] = (nChild >> 8) & 0xFF; code[8] = (nChild >> 0) & 0xFF; + WriteBE32(code+5, nChild); memcpy(code+9, chaincode.begin(), 32); code[41] = 0; assert(key.size() == 32); @@ -354,7 +353,7 @@ void CExtKey::Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const { void CExtKey::Decode(const unsigned char code[BIP32_EXTKEY_SIZE]) { nDepth = code[0]; memcpy(vchFingerprint, code+1, 4); - nChild = (code[5] << 24) | (code[6] << 16) | (code[7] << 8) | code[8]; + nChild = ReadBE32(code+5); memcpy(chaincode.begin(), code+9, 32); key.Set(code+42, code+BIP32_EXTKEY_SIZE, true); if ((nDepth == 0 && (nChild != 0 || ReadLE32(vchFingerprint) != 0)) || code[41] != 0) key = CKey(); diff --git a/src/pubkey.cpp b/src/pubkey.cpp index d14a20b870..956ff2b34a 100644 --- a/src/pubkey.cpp +++ b/src/pubkey.cpp @@ -337,8 +337,7 @@ bool CPubKey::Derive(CPubKey& pubkeyChild, ChainCode &ccChild, unsigned int nChi void CExtPubKey::Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const { code[0] = nDepth; memcpy(code+1, vchFingerprint, 4); - code[5] = (nChild >> 24) & 0xFF; code[6] = (nChild >> 16) & 0xFF; - code[7] = (nChild >> 8) & 0xFF; code[8] = (nChild >> 0) & 0xFF; + WriteBE32(code+5, nChild); memcpy(code+9, chaincode.begin(), 32); assert(pubkey.size() == CPubKey::COMPRESSED_SIZE); memcpy(code+41, pubkey.begin(), CPubKey::COMPRESSED_SIZE); @@ -347,7 +346,7 @@ void CExtPubKey::Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const { void CExtPubKey::Decode(const unsigned char code[BIP32_EXTKEY_SIZE]) { nDepth = code[0]; memcpy(vchFingerprint, code+1, 4); - nChild = (code[5] << 24) | (code[6] << 16) | (code[7] << 8) | code[8]; + nChild = ReadBE32(code+5); 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(); |