#include <vector>
#include "allocators.h"
+#include "serialize.h"
#include "uint256.h"
+#include "hash.h"
+#include "bignum.h"
#include <openssl/ec.h> // for EC_KEY definition
explicit key_error(const std::string& str) : std::runtime_error(str) {}
};
+/** A reference to a CKey: the Hash160 of its serialized public key */
+class CKeyID : public uint160
+{
+public:
+ CKeyID() : uint160(0) { }
+ CKeyID(const uint160 &in) : uint160(in) { }
+};
+
+/** A reference to a CScript: the Hash160 of its serialization (see script.h) */
+class CScriptID : public uint160
+{
+public:
+ CScriptID() : uint160(0) { }
+ CScriptID(const uint160 &in) : uint160(in) { }
+};
+
+/** An encapsulated public key. */
+class CPubKey {
+private:
+ std::vector<unsigned char> vchPubKey;
+ friend class CKey;
+
+public:
+ CPubKey() { }
+ CPubKey(const std::vector<unsigned char> &vchPubKeyIn) : vchPubKey(vchPubKeyIn) { }
+ friend bool operator==(const CPubKey &a, const CPubKey &b) { return a.vchPubKey == b.vchPubKey; }
+ friend bool operator!=(const CPubKey &a, const CPubKey &b) { return a.vchPubKey != b.vchPubKey; }
+ friend bool operator<(const CPubKey &a, const CPubKey &b) { return a.vchPubKey < b.vchPubKey; }
+
+ IMPLEMENT_SERIALIZE(
+ READWRITE(vchPubKey);
+ )
+
+ CKeyID GetID() const {
+ return CKeyID(Hash160(vchPubKey));
+ }
+
+ uint256 GetHash() const {
+ return Hash(vchPubKey.begin(), vchPubKey.end());
+ }
+
+ bool IsValid() const {
+ return vchPubKey.size() == 33 || vchPubKey.size() == 65;
+ }
+
+ bool IsCompressed() const {
+ return vchPubKey.size() == 33;
+ }
+
+ std::vector<unsigned char> Raw() const {
+ return vchPubKey;
+ }
+
+ // Encrypt data
+ bool EncryptData(const std::vector<unsigned char>& data, std::vector<unsigned char>& encrypted);
+};
+
-// secure_allocator is defined in serialize.h
+// secure_allocator is defined in allocators.h
// CPrivKey is a serialized private key, with all parameters included (279 bytes)
typedef std::vector<unsigned char, secure_allocator<unsigned char> > CPrivKey;
// CSecret is a serialization of just the secret parameter (32 bytes)
bool SetSecret(const CSecret& vchSecret, bool fCompressed = false);
CSecret GetSecret(bool &fCompressed) const;
CPrivKey GetPrivKey() const;
- bool SetPubKey(const std::vector<unsigned char>& vchPubKey);
- std::vector<unsigned char> GetPubKey() const;
+ bool SetPubKey(const CPubKey& vchPubKey);
+ CPubKey GetPubKey() const;
bool Sign(uint256 hash, std::vector<unsigned char>& vchSig);
bool VerifyCompact(uint256 hash, const std::vector<unsigned char>& vchSig);
bool IsValid();
+
+ // Check whether an element of a signature (r or s) is valid.
+ static bool CheckSignatureElement(const unsigned char *vch, int len, bool half);
+
+ // Reserialize to DER
+ static bool ReserealizeSignature(std::vector<unsigned char>& vchSig);
+
+ // Decrypt data
+ bool DecryptData(const std::vector<unsigned char>& encrypted, std::vector<unsigned char>& data);
+};
+
+class CPoint
+{
+private:
+ EC_POINT *point;
+ EC_GROUP* group;
+ BN_CTX* ctx;
+
+public:
+ CPoint();
+ bool operator!=(const CPoint &a);
+ ~CPoint();
+
+ // Initialize from octets stream
+ bool setBytes(const std::vector<unsigned char> &vchBytes);
+
+ // Serialize to octets stream
+ bool getBytes(std::vector<unsigned char> &vchBytes);
+
+ // ECC multiplication by specified multiplier
+ bool ECMUL(const CBigNum &bnMultiplier);
+
+ // Calculate G*m + q
+ bool ECMULGEN(const CBigNum &bnMultiplier, const CPoint &qPoint);
+
+ bool IsInfinity() { return EC_POINT_is_at_infinity(group, point); }
+};
+
+class CMalleablePubKey
+{
+private:
+ unsigned char nVersion;
+ CPubKey pubKeyL;
+ CPubKey pubKeyH;
+ friend class CMalleableKey;
+
+ static const unsigned char CURRENT_VERSION = 1;
+
+public:
+ CMalleablePubKey() { nVersion = CMalleablePubKey::CURRENT_VERSION; }
+ CMalleablePubKey(const std::string& strMalleablePubKey) { SetString(strMalleablePubKey); }
+ CMalleablePubKey(const CPubKey &pubKeyInL, const CPubKey &pubKeyInH) : pubKeyL(pubKeyInL), pubKeyH(pubKeyInH) { nVersion = CMalleablePubKey::CURRENT_VERSION; }
+ CMalleablePubKey(const std::vector<unsigned char> &pubKeyInL, const std::vector<unsigned char> &pubKeyInH) : pubKeyL(pubKeyInL), pubKeyH(pubKeyInH) { nVersion = CMalleablePubKey::CURRENT_VERSION; }
+
+ IMPLEMENT_SERIALIZE(
+ READWRITE(this->nVersion);
+ nVersion = this->nVersion;
+ READWRITE(pubKeyL);
+ READWRITE(pubKeyH);
+ )
+
+ bool IsValid() const {
+ return pubKeyL.IsValid() && pubKeyH.IsValid();
+ }
+
+ bool operator==(const CMalleablePubKey &b);
+ bool operator!=(const CMalleablePubKey &b) { return !(*this == b); }
+
+ std::string ToString();
+ bool SetString(const std::string& strMalleablePubKey);
+ uint256 GetID() const;
+
+ CPubKey& GetL() { return pubKeyL; }
+ CPubKey& GetH() { return pubKeyH; }
+ void GetVariant(CPubKey &R, CPubKey &vchPubKeyVariant);
+};
+
+class CMalleableKey
+{
+private:
+ unsigned char nVersion;
+ CSecret vchSecretL;
+ CSecret vchSecretH;
+
+ friend class CMalleableKeyView;
+
+ static const unsigned char CURRENT_VERSION = 1;
+
+public:
+ CMalleableKey();
+ CMalleableKey(const CMalleableKey &b);
+ CMalleableKey(const CSecret &L, const CSecret &H);
+ CMalleableKey& operator=(const CMalleableKey &b);
+ ~CMalleableKey();
+
+ IMPLEMENT_SERIALIZE(
+ READWRITE(this->nVersion);
+ nVersion = this->nVersion;
+ READWRITE(vchSecretL);
+ READWRITE(vchSecretH);
+ )
+
+ std::string ToString();
+ bool SetString(const std::string& strMalleablePubKey);
+
+ void Reset();
+ void MakeNewKeys();
+ bool IsNull() const;
+ bool SetSecrets(const CSecret &pvchSecretL, const CSecret &pvchSecretH);
+ void GetSecrets(CSecret &pvchSecretL, CSecret &pvchSecretH) const;
+
+ CMalleablePubKey GetMalleablePubKey() const;
+
+ bool CheckKeyVariant(const CPubKey &R, const CPubKey &vchPubKeyVariant);
+ bool CheckKeyVariant(const CPubKey &R, const CPubKey &vchPubKeyVariant, CKey &privKeyVariant);
+};
+
+class CMalleableKeyView
+{
+private:
+ CSecret vchSecretL;
+ std::vector<unsigned char> vchPubKeyH;
+
+ // disabled constructor
+ CMalleableKeyView() { };
+
+ static const unsigned char CURRENT_VERSION = 1;
+
+public:
+ CMalleableKeyView(const CMalleableKey &b);
+ CMalleableKeyView(const CSecret &L, const CPubKey &pvchPubKeyH);
+
+ CMalleableKeyView(const CMalleableKeyView &b);
+ CMalleableKeyView& operator=(const CMalleableKey &b);
+ ~CMalleableKeyView();
+
+ CMalleablePubKey GetMalleablePubKey() const;
+
+ bool CheckKeyVariant(const CPubKey &R, const CPubKey &vchPubKeyVariant);
};
#endif