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-rw-r--r--src/key.cpp10
-rw-r--r--src/key.h8
-rw-r--r--src/pubkey.cpp6
-rw-r--r--src/pubkey.h36
4 files changed, 44 insertions, 16 deletions
diff --git a/src/key.cpp b/src/key.cpp
index e146e47d0d..83128e4acc 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -152,7 +152,7 @@ bool CExtKey::Derive(CExtKey &out, unsigned int nChild) const {
CKeyID id = key.GetPubKey().GetID();
memcpy(&out.vchFingerprint[0], &id, 4);
out.nChild = nChild;
- return key.Derive(out.key, out.vchChainCode, nChild, vchChainCode);
+ return key.Derive(out.key, out.chaincode.data, nChild, chaincode.data);
}
void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen) {
@@ -161,7 +161,7 @@ void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen) {
LockObject(out);
CHMAC_SHA512(hashkey, sizeof(hashkey)).Write(seed, nSeedLen).Finalize(out);
key.Set(&out[0], &out[32], true);
- memcpy(vchChainCode, &out[32], 32);
+ memcpy(chaincode.data, &out[32], 32);
UnlockObject(out);
nDepth = 0;
nChild = 0;
@@ -174,7 +174,7 @@ CExtPubKey CExtKey::Neuter() const {
memcpy(&ret.vchFingerprint[0], &vchFingerprint[0], 4);
ret.nChild = nChild;
ret.pubkey = key.GetPubKey();
- memcpy(&ret.vchChainCode[0], &vchChainCode[0], 32);
+ memcpy(&ret.chaincode.data[0], &chaincode.data[0], 32);
return ret;
}
@@ -183,7 +183,7 @@ void CExtKey::Encode(unsigned char code[74]) const {
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;
- memcpy(code+9, vchChainCode, 32);
+ memcpy(code+9, chaincode.data, 32);
code[41] = 0;
assert(key.size() == 32);
memcpy(code+42, key.begin(), 32);
@@ -193,7 +193,7 @@ void CExtKey::Decode(const unsigned char code[74]) {
nDepth = code[0];
memcpy(vchFingerprint, code+1, 4);
nChild = (code[5] << 24) | (code[6] << 16) | (code[7] << 8) | code[8];
- memcpy(vchChainCode, code+9, 32);
+ memcpy(chaincode.data, code+9, 32);
key.Set(code+42, code+74, true);
}
diff --git a/src/key.h b/src/key.h
index 104a8f5c72..d3c7a28e01 100644
--- a/src/key.h
+++ b/src/key.h
@@ -6,6 +6,7 @@
#ifndef BITCOIN_KEY_H
#define BITCOIN_KEY_H
+#include "pubkey.h"
#include "serialize.h"
#include "support/allocators/secure.h"
#include "uint256.h"
@@ -13,9 +14,6 @@
#include <stdexcept>
#include <vector>
-class CPubKey;
-
-struct CExtPubKey;
/**
* secp256k1:
@@ -157,13 +155,13 @@ struct CExtKey {
unsigned char nDepth;
unsigned char vchFingerprint[4];
unsigned int nChild;
- unsigned char vchChainCode[32];
+ CChainCode chaincode;
CKey key;
friend bool operator==(const CExtKey& a, const CExtKey& b)
{
return a.nDepth == b.nDepth && memcmp(&a.vchFingerprint[0], &b.vchFingerprint[0], 4) == 0 && a.nChild == b.nChild &&
- memcmp(&a.vchChainCode[0], &b.vchChainCode[0], 32) == 0 && a.key == b.key;
+ memcmp(&a.chaincode.data[0], &b.chaincode.data[0], 32) == 0 && a.key == b.key;
}
void Encode(unsigned char code[74]) const;
diff --git a/src/pubkey.cpp b/src/pubkey.cpp
index a4c046bff5..52aeb7be8b 100644
--- a/src/pubkey.cpp
+++ b/src/pubkey.cpp
@@ -75,7 +75,7 @@ void CExtPubKey::Encode(unsigned char code[74]) const {
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;
- memcpy(code+9, vchChainCode, 32);
+ memcpy(code+9, chaincode.data, 32);
assert(pubkey.size() == 33);
memcpy(code+41, pubkey.begin(), 33);
}
@@ -84,7 +84,7 @@ void CExtPubKey::Decode(const unsigned char code[74]) {
nDepth = code[0];
memcpy(vchFingerprint, code+1, 4);
nChild = (code[5] << 24) | (code[6] << 16) | (code[7] << 8) | code[8];
- memcpy(vchChainCode, code+9, 32);
+ memcpy(chaincode.data, code+9, 32);
pubkey.Set(code+41, code+74);
}
@@ -93,5 +93,5 @@ bool CExtPubKey::Derive(CExtPubKey &out, unsigned int nChild) const {
CKeyID id = pubkey.GetID();
memcpy(&out.vchFingerprint[0], &id, 4);
out.nChild = nChild;
- return pubkey.Derive(out.pubkey, out.vchChainCode, nChild, vchChainCode);
+ return pubkey.Derive(out.pubkey, out.chaincode.data, nChild, chaincode.data);
}
diff --git a/src/pubkey.h b/src/pubkey.h
index b0768d4f47..8924708835 100644
--- a/src/pubkey.h
+++ b/src/pubkey.h
@@ -31,6 +31,36 @@ public:
CKeyID(const uint160& in) : uint160(in) {}
};
+struct CChainCode
+{
+ unsigned char data[32];
+
+ void SetNull()
+ {
+ memset(data, 0, sizeof(data));
+ }
+
+ CChainCode()
+ {
+ SetNull();
+ }
+
+ bool IsNull() const
+ {
+ for (int i=0; i<32; i++)
+ if (data[i])
+ return false;
+ return true;
+ }
+
+ ADD_SERIALIZE_METHODS;
+
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
+ READWRITE(FLATDATA(data));
+ }
+};
+
/** An encapsulated public key. */
class CPubKey
{
@@ -189,13 +219,13 @@ struct CExtPubKey {
unsigned char nDepth;
unsigned char vchFingerprint[4];
unsigned int nChild;
- unsigned char vchChainCode[32];
+ CChainCode chaincode;
CPubKey pubkey;
- friend bool operator==(const CExtPubKey& a, const CExtPubKey& b)
+ friend bool operator==(const CExtPubKey &a, const CExtPubKey &b)
{
return a.nDepth == b.nDepth && memcmp(&a.vchFingerprint[0], &b.vchFingerprint[0], 4) == 0 && a.nChild == b.nChild &&
- memcmp(&a.vchChainCode[0], &b.vchChainCode[0], 32) == 0 && a.pubkey == b.pubkey;
+ memcmp(&a.chaincode.data[0], &b.chaincode.data[0], 32) == 0 && a.pubkey == b.pubkey;
}
void Encode(unsigned char code[74]) const;
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-02 21:54:46 +0000