// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_KEY_H
#define BITCOIN_KEY_H
#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) { }
+};
-// secure_allocator is defined in serialize.h
+/** 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;
+ }
+};
+
+
+// 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);
};
#endif