6 #ifndef BITCOIN_PUBKEY_H
7 #define BITCOIN_PUBKEY_H
47 unsigned char vch[65];
50 unsigned int static GetLen(
unsigned char chHeader)
52 if (chHeader == 2 || chHeader == 3)
54 if (chHeader == 4 || chHeader == 6 || chHeader == 7)
74 void Set(
const T pbegin,
const T pend)
76 int len = pend == pbegin ? 0 :
GetLen(pbegin[0]);
77 if (len && len == (pend - pbegin))
78 memcpy(
vch, (
unsigned char*)&pbegin[0], len);
91 CPubKey(
const std::vector<unsigned char>& _vch)
93 Set(_vch.begin(), _vch.end());
98 const unsigned char*
begin()
const {
return vch; }
99 const unsigned char*
end()
const {
return vch +
size(); }
100 const unsigned char&
operator[](
unsigned int pos)
const {
return vch[pos]; }
105 return a.
vch[0] == b.
vch[0] &&
114 return a.
vch[0] < b.
vch[0] ||
119 template <
typename Stream>
122 unsigned int len =
size();
124 s.write((
char*)
vch, len);
126 template <
typename Stream>
131 s.read((
char*)
vch, len);
176 bool Verify(
const uint256& hash,
const std::vector<unsigned char>& vchSig)
const;
181 static bool CheckLowS(
const std::vector<unsigned char>& vchSig);
221 template <
typename Stream>
228 s.write((
const char *)&code[0], len);
230 template <
typename Stream>
236 throw std::runtime_error(
"Invalid extended key size\n");
237 s.read((
char *)&code[0], len);
A reference to a CKey: the Hash160 of its serialized public key.
CKeyID(const uint160 &in)
An encapsulated public key.
bool RecoverCompact(const uint256 &hash, const std::vector< unsigned char > &vchSig)
Recover a public key from a compact signature.
const unsigned char * end() const
bool IsCompressed() const
Check whether this is a compressed public key.
CKeyID GetID() const
Get the KeyID of this public key (hash of its serialization)
unsigned char vch[65]
Just store the serialized data.
CPubKey()
Construct an invalid public key.
static bool CheckLowS(const std::vector< unsigned char > &vchSig)
Check whether a signature is normalized (lower-S).
bool Decompress()
Turn this public key into an uncompressed public key.
bool Verify(const uint256 &hash, const std::vector< unsigned char > &vchSig) const
Verify a DER signature (~72 bytes).
bool IsFullyValid() const
fully validate whether this is a valid public key (more expensive than IsValid())
unsigned int size() const
Simple read-only vector-like interface to the pubkey data.
unsigned static int GetLen(unsigned char chHeader)
Compute the length of a pubkey with a given first byte.
const unsigned char * begin() const
friend bool operator==(const CPubKey &a, const CPubKey &b)
Comparator implementation.
void Serialize(Stream &s) const
Implement serialization, as if this was a byte vector.
CPubKey(const T pbegin, const T pend)
Construct a public key using begin/end iterators to byte data.
void Invalidate()
Set this key data to be invalid.
void Unserialize(Stream &s)
bool Compress()
Turn this public key into a compressed public key.
uint256 GetHash() const
Get the 256-bit hash of this public key.
const unsigned char & operator[](unsigned int pos) const
bool Derive(CPubKey &pubkeyChild, ChainCode &ccChild, unsigned int nChild, const ChainCode &cc) const
Derive BIP32 child pubkey.
CPubKey(const std::vector< unsigned char > &_vch)
Construct a public key from a byte vector.
void Set(const T pbegin, const T pend)
Initialize a public key using begin/end iterators to byte data.
friend bool operator!=(const CPubKey &a, const CPubKey &b)
friend bool operator<(const CPubKey &a, const CPubKey &b)
void seek(size_t _nSize)
Pretend _nSize bytes are written, without specifying them.
Users of this module must hold an ECCVerifyHandle.
void * memcpy(void *a, const void *b, size_t c)
uint160 Hash160(const T1 pbegin, const T1 pend)
Compute the 160-bit hash an object.
uint256 Hash(const T1 pbegin, const T1 pend)
Compute the 256-bit hash of an object.
const unsigned int BIP32_EXTKEY_SIZE
secp256k1: const unsigned int PRIVATE_KEY_SIZE = 279; const unsigned int PUBLIC_KEY_SIZE = 65; const ...
uint64_t ReadCompactSize(Stream &is)
void WriteCompactSize(CSizeComputer &os, uint64_t nSize)
friend bool operator==(const CExtPubKey &a, const CExtPubKey &b)
void Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const
bool Derive(CExtPubKey &out, unsigned int nChild) const
unsigned char vchFingerprint[4]
void Serialize(CSizeComputer &s) const
void Serialize(Stream &s) const
void Unserialize(Stream &s)
void Decode(const unsigned char code[BIP32_EXTKEY_SIZE])