#include "serialize.h"
#include "uint256.h"
#include "hash.h"
+#include "bignum.h"
+#include "ies.h"
#include <openssl/ec.h> // for EC_KEY definition
std::vector<unsigned char> Raw() const {
return vchPubKey;
}
+
+ // Encrypt data
+ void EncryptData(const std::vector<unsigned char>& data, std::vector<unsigned char>& encrypted);
};
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);
+
+ // Encrypt data
+ void EncryptData(const std::vector<unsigned char>& data, std::vector<unsigned char>& encrypted);
+
+ // Decrypt data
+ void 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);
+
+ // Initialize from pubkey
+ bool setPubKey(const CPubKey &vchPubKey);
+
+ // 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 CMalleablePubKey& mpk)
+ {
+ nVersion = mpk.nVersion;
+ pubKeyL = mpk.pubKeyL;
+ pubKeyH = mpk.pubKeyH;
+ }
+ 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); }
+ CMalleablePubKey& operator=(const CMalleablePubKey& mpk) {
+ nVersion = mpk.nVersion;
+ pubKeyL = mpk.pubKeyL;
+ pubKeyH = mpk.pubKeyH;
+ return *this;
+ }
+
+ std::string ToString() const;
+ bool SetString(const std::string& strMalleablePubKey);
+
+ CKeyID GetID() const {
+ return pubKeyL.GetID();
+ }
+
+ std::vector<unsigned char> Raw() 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();
+
+ IMPLEMENT_SERIALIZE(
+ READWRITE(this->nVersion);
+ nVersion = this->nVersion;
+ READWRITE(vchSecretL);
+ READWRITE(vchSecretH);
+ )
+
+ std::string ToString() const;
+ bool SetString(const std::string& strMalleablePubKey);
+ std::vector<unsigned char> Raw() const;
+ CMalleableKey& operator=(const CMalleableKey& mk) {
+ nVersion = mk.nVersion;
+ vchSecretL = mk.vchSecretL;
+ vchSecretH = mk.vchSecretH;
+ return *this;
+ }
+
+ void Reset();
+ void MakeNewKeys();
+ bool IsNull() const;
+ bool SetSecrets(const CSecret &pvchSecretL, const CSecret &pvchSecretH);
+ void GetSecrets(CSecret &pvchSecretL, CSecret &pvchSecretH) const;
+
+ CKeyID GetID() const {
+ return GetMalleablePubKey().GetID();
+ }
+ CMalleablePubKey GetMalleablePubKey() const;
+ bool CheckKeyVariant(const CPubKey &R, const CPubKey &vchPubKeyVariant) const;
+ bool CheckKeyVariant(const CPubKey &R, const CPubKey &vchPubKeyVariant, CKey &privKeyVariant) const;
+};
+
+class CMalleableKeyView
+{
+private:
+ unsigned char nVersion;
+ CSecret vchSecretL;
+ CPubKey vchPubKeyH;
+
+ static const unsigned char CURRENT_VERSION = 1;
+
+public:
+ CMalleableKeyView() { nVersion = 0; };
+ CMalleableKeyView(const CMalleableKey &b);
+ CMalleableKeyView(const CSecret &L, const CPubKey &pvchPubKeyH);
+
+ CMalleableKeyView(const CMalleableKeyView &b);
+ CMalleableKeyView& operator=(const CMalleableKey &b);
+ ~CMalleableKeyView();
+
+
+ IMPLEMENT_SERIALIZE(
+ READWRITE(this->nVersion);
+ nVersion = this->nVersion;
+ READWRITE(vchSecretL);
+ READWRITE(vchPubKeyH);
+ )
+
+ bool IsNull() const;
+ std::string ToString() const;
+ bool SetString(const std::string& strMalleablePubKey);
+ std::vector<unsigned char> Raw() const;
+ CMalleableKeyView& operator=(const CMalleableKeyView& mkv) {
+ nVersion = mkv.nVersion;
+ vchSecretL = mkv.vchSecretL;
+ vchPubKeyH = mkv.vchPubKeyH;
+ return *this;
+ }
+
+ CKeyID GetID() const {
+ return GetMalleablePubKey().GetID();
+ }
+ CMalleablePubKey GetMalleablePubKey() const;
+ bool CheckKeyVariant(const CPubKey &R, const CPubKey &vchPubKeyVariant) const;
+
+ bool operator <(const CMalleableKeyView& kv) const { return vchPubKeyH.GetID() < kv.vchPubKeyH.GetID(); }
};
#endif