Update License in File Headers
[novacoin.git] / src / keystore.cpp
index f659495..7836ced 100644 (file)
@@ -1,6 +1,7 @@
-// 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.
 
 #include "headers.h"
 #include "db.h"
@@ -16,13 +17,31 @@ std::vector<unsigned char> CKeyStore::GenerateNewKey()
     return key.GetPubKey();
 }
 
+bool CKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char> &vchPubKeyOut) const
+{
+    CKey key;
+    if (!GetKey(address, key))
+        return false;
+    vchPubKeyOut = key.GetPubKey();
+    return true;
+}
+
 bool CBasicKeyStore::AddKey(const CKey& key)
 {
-    CRITICAL_BLOCK(cs_mapPubKeys)
+    CRITICAL_BLOCK(cs_KeyStore)
+        mapKeys[key.GetAddress()] = key.GetSecret();
+    return true;
+}
+
+bool CCryptoKeyStore::SetCrypted()
+{
     CRITICAL_BLOCK(cs_KeyStore)
     {
-        mapKeys[key.GetPubKey()] = key.GetPrivKey();
-        mapPubKeys[Hash160(key.GetPubKey())] = key.GetPubKey();
+        if (fUseCrypto)
+            return true;
+        if (!mapKeys.empty())
+            return false;
+        fUseCrypto = true;
     }
     return true;
 }
@@ -39,19 +58,21 @@ std::vector<unsigned char> CCryptoKeyStore::GenerateNewKey()
 
 bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
 {
-    CRITICAL_BLOCK(cs_vMasterKey)
+    CRITICAL_BLOCK(cs_KeyStore)
     {
         if (!SetCrypted())
             return false;
 
-        std::map<std::vector<unsigned char>, std::vector<unsigned char> >::const_iterator mi = mapCryptedKeys.begin();
+        CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
         for (; mi != mapCryptedKeys.end(); ++mi)
         {
-            const std::vector<unsigned char> &vchPubKey = (*mi).first;
-            const std::vector<unsigned char> &vchCryptedSecret = (*mi).second;
+            const std::vector<unsigned char> &vchPubKey = (*mi).second.first;
+            const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
             CSecret vchSecret;
             if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
                 return false;
+            if (vchSecret.size() != 32)
+                return false;
             CKey key;
             key.SetSecret(vchSecret);
             if (key.GetPubKey() == vchPubKey)
@@ -66,7 +87,6 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
 bool CCryptoKeyStore::AddKey(const CKey& key)
 {
     CRITICAL_BLOCK(cs_KeyStore)
-    CRITICAL_BLOCK(cs_vMasterKey)
     {
         if (!IsCrypted())
             return CBasicKeyStore::AddKey(key);
@@ -88,35 +108,51 @@ bool CCryptoKeyStore::AddKey(const CKey& key)
 
 bool CCryptoKeyStore::AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
 {
-    CRITICAL_BLOCK(cs_mapPubKeys)
     CRITICAL_BLOCK(cs_KeyStore)
     {
         if (!SetCrypted())
             return false;
 
-        mapCryptedKeys[vchPubKey] = vchCryptedSecret;
-        mapPubKeys[Hash160(vchPubKey)] = vchPubKey;
+        mapCryptedKeys[CBitcoinAddress(vchPubKey)] = make_pair(vchPubKey, vchCryptedSecret);
     }
     return true;
 }
 
-bool CCryptoKeyStore::GetPrivKey(const std::vector<unsigned char> &vchPubKey, CPrivKey& keyOut) const
+bool CCryptoKeyStore::GetKey(const CBitcoinAddress &address, CKey& keyOut) const
 {
-    CRITICAL_BLOCK(cs_vMasterKey)
+    CRITICAL_BLOCK(cs_KeyStore)
     {
         if (!IsCrypted())
-            return CBasicKeyStore::GetPrivKey(vchPubKey, keyOut);
+            return CBasicKeyStore::GetKey(address, keyOut);
 
-        std::map<std::vector<unsigned char>, std::vector<unsigned char> >::const_iterator mi = mapCryptedKeys.find(vchPubKey);
+        CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
         if (mi != mapCryptedKeys.end())
         {
-            const std::vector<unsigned char> &vchCryptedSecret = (*mi).second;
+            const std::vector<unsigned char> &vchPubKey = (*mi).second.first;
+            const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
             CSecret vchSecret;
-            if (!DecryptSecret(vMasterKey, (*mi).second, Hash((*mi).first.begin(), (*mi).first.end()), vchSecret))
+            if (!DecryptSecret(vMasterKey, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
                 return false;
-            CKey key;
-            key.SetSecret(vchSecret);
-            keyOut = key.GetPrivKey();
+            if (vchSecret.size() != 32)
+                return false;
+            keyOut.SetSecret(vchSecret);
+            return true;
+        }
+    }
+    return false;
+}
+
+bool CCryptoKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char>& vchPubKeyOut) const
+{
+    CRITICAL_BLOCK(cs_KeyStore)
+    {
+        if (!IsCrypted())
+            return CKeyStore::GetPubKey(address, vchPubKeyOut);
+
+        CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
+        if (mi != mapCryptedKeys.end())
+        {
+            vchPubKeyOut = (*mi).second.first;
             return true;
         }
     }
@@ -126,7 +162,6 @@ bool CCryptoKeyStore::GetPrivKey(const std::vector<unsigned char> &vchPubKey, CP
 bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
 {
     CRITICAL_BLOCK(cs_KeyStore)
-    CRITICAL_BLOCK(cs_vMasterKey)
     {
         if (!mapCryptedKeys.empty() || IsCrypted())
             return false;
@@ -135,12 +170,13 @@ bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
         CKey key;
         BOOST_FOREACH(KeyMap::value_type& mKey, mapKeys)
         {
-            if (!key.SetPrivKey(mKey.second))
+            if (!key.SetSecret(mKey.second))
                 return false;
+            const std::vector<unsigned char> vchPubKey = key.GetPubKey();
             std::vector<unsigned char> vchCryptedSecret;
-            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(), Hash(mKey.first.begin(), mKey.first.end()), vchCryptedSecret))
+            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
                 return false;
-            if (!AddCryptedKey(mKey.first, vchCryptedSecret))
+            if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
                 return false;
         }
         mapKeys.clear();