Update License in File Headers

[novacoin.git] / src / keystore.h

diff --git a/src/keystore.h b/src/keystore.h
index 4095535..fa70933 100644 (file)
--- a/src/keystore.h
+++ b/src/keystore.h
@@ -1,113 +1,125 @@
-// Copyright (c) 2009-2011 Satoshi Nakamoto & Bitcoin developers
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 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_KEYSTORE_H
 #define BITCOIN_KEYSTORE_H
 
-typedef std::vector<unsigned char, secure_allocator<unsigned char> > CMasterKey;
+#include "crypter.h"
 
 class CKeyStore
 {
-public:
+protected:
     mutable CCriticalSection cs_KeyStore;
 
+public:
+    virtual ~CKeyStore() {}
+
     virtual bool AddKey(const CKey& key) =0;
-    virtual bool HaveKey(const std::vector<unsigned char> &vchPubKey) const =0;
-    virtual bool GetPrivKey(const std::vector<unsigned char> &vchPubKey, CPrivKey& keyOut) const =0;
+    virtual bool HaveKey(const CBitcoinAddress &address) const =0;
+    virtual bool GetKey(const CBitcoinAddress &address, CKey& keyOut) const =0;
+    virtual bool GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char>& vchPubKeyOut) const;
     virtual std::vector<unsigned char> GenerateNewKey();
 };
 
+typedef std::map<CBitcoinAddress, CSecret> KeyMap;
+
 class CBasicKeyStore : public CKeyStore
 {
 protected:
-    std::map<std::vector<unsigned char>, CPrivKey> mapKeys;
+    KeyMap mapKeys;
 
 public:
     bool AddKey(const CKey& key);
-    bool HaveKey(const std::vector<unsigned char> &vchPubKey) const
+    bool HaveKey(const CBitcoinAddress &address) const
     {
-        return (mapKeys.count(vchPubKey) > 0);
+        bool result;
+        CRITICAL_BLOCK(cs_KeyStore)
+            result = (mapKeys.count(address) > 0);
+        return result;
     }
-    bool GetPrivKey(const std::vector<unsigned char> &vchPubKey, CPrivKey& keyOut) const
+    bool GetKey(const CBitcoinAddress &address, CKey& keyOut) const
     {
-        std::map<std::vector<unsigned char>, CPrivKey>::const_iterator mi = mapKeys.find(vchPubKey);
-        if (mi != mapKeys.end())
+        CRITICAL_BLOCK(cs_KeyStore)
         {
-            keyOut = (*mi).second;
-            return true;
+            KeyMap::const_iterator mi = mapKeys.find(address);
+            if (mi != mapKeys.end())
+            {
+                keyOut.SetSecret((*mi).second);
+                return true;
+            }
         }
         return false;
     }
 };
 
+typedef std::map<CBitcoinAddress, std::pair<std::vector<unsigned char>, std::vector<unsigned char> > > CryptedKeyMap;
+
 class CCryptoKeyStore : public CBasicKeyStore
 {
 private:
-    std::map<std::vector<unsigned char>, std::vector<unsigned char> > mapCryptedKeys;
+    CryptedKeyMap mapCryptedKeys;
 
-    CMasterKey vMasterKey;
+    CKeyingMaterial vMasterKey;
 
     // if fUseCrypto is true, mapKeys must be empty
     // if fUseCrypto is false, vMasterKey must be empty
     bool fUseCrypto;
 
 protected:
-    bool IsCrypted() const
-    {
-        return fUseCrypto;
-    }
-
-    bool SetCrypted()
-    {
-        if (fUseCrypto)
-            return true;
-        if (!mapKeys.empty())
-            return false;
-        fUseCrypto = true;
-    }
+    bool SetCrypted();
 
     // will encrypt previously unencrypted keys
-    bool GenerateMasterKey();
+    bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
 
-    bool GetMasterKey(CMasterKey &vMasterKeyOut) const
-    {
-        if (!IsCrypted())
-            return false;
-        if (IsLocked())
-            return false;
-        vMasterKeyOut = vMasterKey;
-        return true;
-    }
-    bool Unlock(const CMasterKey& vMasterKeyIn);
+    bool Unlock(const CKeyingMaterial& vMasterKeyIn);
 
 public:
     CCryptoKeyStore() : fUseCrypto(false)
     {
     }
 
+    bool IsCrypted() const
+    {
+        return fUseCrypto;
+    }
+
     bool IsLocked() const
     {
         if (!IsCrypted())
             return false;
-        return vMasterKey.empty();
+        bool result;
+        CRITICAL_BLOCK(cs_KeyStore)
+            result = vMasterKey.empty();
+        return result;
     }
 
     bool Lock()
     {
         if (!SetCrypted())
             return false;
-        vMasterKey.clear();
+
+        CRITICAL_BLOCK(cs_KeyStore)
+            vMasterKey.clear();
+
+        return true;
     }
 
     virtual bool AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+    std::vector<unsigned char> GenerateNewKey();
     bool AddKey(const CKey& key);
-    bool HaveKey(const std::vector<unsigned char> &vchPubKey) const
+    bool HaveKey(const CBitcoinAddress &address) const
     {
-        if (!IsCrypted())
-            return CBasicKeyStore::HaveKey(vchPubKey);
-        return mapCryptedKeys.count(vchPubKey) > 0;
+        CRITICAL_BLOCK(cs_KeyStore)
+        {
+            if (!IsCrypted())
+                return CBasicKeyStore::HaveKey(address);
+            return mapCryptedKeys.count(address) > 0;
+        }
+        return false;
     }
-    bool GetPrivKey(const std::vector<unsigned char> &vchPubKey, CPrivKey& keyOut) const;
+    bool GetKey(const CBitcoinAddress &address, CKey& keyOut) const;
+    bool GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char>& vchPubKeyOut) const;
 };
 
 #endif