X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fkeystore.cpp;h=215590eca883a470d6e227f907eb97e2e79d2b48;hb=75744e6526193604bfbcc6be3a3793315556f12c;hp=7836ceda5d14952b39686ab2727e5737f6e0c625;hpb=58ac600b2c94f12309fc5e18933891590dc1eb4c;p=novacoin.git

diff --git a/src/keystore.cpp b/src/keystore.cpp
index 7836ced..215590e 100644
--- a/src/keystore.cpp
+++ b/src/keystore.cpp
@@ -1,23 +1,15 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include "headers.h"
-#include "db.h"
-#include "crypter.h"
+#include "keystore.h"
+#include "script.h"
+#include "base58.h"
 
-std::vector<unsigned char> CKeyStore::GenerateNewKey()
-{
-    RandAddSeedPerfmon();
-    CKey key;
-    key.MakeNewKey();
-    if (!AddKey(key))
-        throw std::runtime_error("CKeyStore::GenerateNewKey() : AddKey failed");
-    return key.GetPubKey();
-}
+extern bool fWalletUnlockMintOnly;
 
-bool CKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char> &vchPubKeyOut) const
+bool CKeyStore::GetPubKey(const CKeyID &address, CPubKey &vchPubKeyOut) const
 {
     CKey key;
     if (!GetKey(address, key))
@@ -28,15 +20,101 @@ bool CKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned c
 
 bool CBasicKeyStore::AddKey(const CKey& key)
 {
-    CRITICAL_BLOCK(cs_KeyStore)
-        mapKeys[key.GetAddress()] = key.GetSecret();
+    bool fCompressed = false;
+    CSecret secret = key.GetSecret(fCompressed);
+    {
+        LOCK(cs_KeyStore);
+        mapKeys[key.GetPubKey().GetID()] = make_pair(secret, fCompressed);
+    }
+    return true;
+}
+
+bool CBasicKeyStore::AddMalleableKey(const CMalleableKeyView& keyView, const CSecret& vchSecretH)
+{
+    {
+        LOCK(cs_KeyStore);
+        mapMalleableKeys[CMalleableKeyView(keyView)] = vchSecretH;
+    }
+    return true;
+}
+
+bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
+{
+    if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
+        return error("CBasicKeyStore::AddCScript() : redeemScripts > %i bytes are invalid", MAX_SCRIPT_ELEMENT_SIZE);
+
+    {
+        LOCK(cs_KeyStore);
+        mapScripts[redeemScript.GetID()] = redeemScript;
+    }
+    return true;
+}
+
+bool CBasicKeyStore::HaveCScript(const CScriptID& hash) const
+{
+    bool result;
+    {
+        LOCK(cs_KeyStore);
+        result = (mapScripts.count(hash) > 0);
+    }
+    return result;
+}
+
+
+bool CBasicKeyStore::GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const
+{
+    {
+        LOCK(cs_KeyStore);
+        ScriptMap::const_iterator mi = mapScripts.find(hash);
+        if (mi != mapScripts.end())
+        {
+            redeemScriptOut = (*mi).second;
+            return true;
+        }
+    }
+    return false;
+}
+
+bool CBasicKeyStore::AddWatchOnly(const CScript &dest)
+{
+    LOCK(cs_KeyStore);
+
+    CTxDestination address;
+    if (ExtractDestination(dest, address)) {
+        CKeyID keyID;
+        CBitcoinAddress(address).GetKeyID(keyID);
+        if (HaveKey(keyID))
+            return false;
+    }
+
+    setWatchOnly.insert(dest);
+    return true;
+}
+
+
+bool CBasicKeyStore::RemoveWatchOnly(const CScript &dest)
+{
+    LOCK(cs_KeyStore);
+    setWatchOnly.erase(dest);
     return true;
 }
 
+bool CBasicKeyStore::HaveWatchOnly(const CScript &dest) const
+{
+    LOCK(cs_KeyStore);
+    return setWatchOnly.count(dest) > 0;
+}
+
+bool CBasicKeyStore::HaveWatchOnly() const
+{
+    LOCK(cs_KeyStore);
+    return (!setWatchOnly.empty());
+}
+
 bool CCryptoKeyStore::SetCrypted()
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
         if (fUseCrypto)
             return true;
         if (!mapKeys.empty())
@@ -46,48 +124,63 @@ bool CCryptoKeyStore::SetCrypted()
     return true;
 }
 
-std::vector<unsigned char> CCryptoKeyStore::GenerateNewKey()
+bool CCryptoKeyStore::Lock()
 {
-    RandAddSeedPerfmon();
-    CKey key;
-    key.MakeNewKey();
-    if (!AddKey(key))
-        throw std::runtime_error("CCryptoKeyStore::GenerateNewKey() : AddKey failed");
-    return key.GetPubKey();
+    if (!SetCrypted())
+        return false;
+
+    {
+        LOCK(cs_KeyStore);
+        vMasterKey.clear();
+        fWalletUnlockMintOnly = false;
+    }
+
+    NotifyStatusChanged(this);
+    return true;
 }
 
 bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
         if (!SetCrypted())
             return false;
 
         CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
         for (; mi != mapCryptedKeys.end(); ++mi)
         {
-            const std::vector<unsigned char> &vchPubKey = (*mi).second.first;
+            const CPubKey &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))
+            if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
                 return false;
             if (vchSecret.size() != 32)
                 return false;
             CKey key;
+            key.SetPubKey(vchPubKey);
             key.SetSecret(vchSecret);
             if (key.GetPubKey() == vchPubKey)
                 break;
             return false;
         }
+
         vMasterKey = vMasterKeyIn;
     }
+    NotifyStatusChanged(this);
     return true;
 }
 
 bool CCryptoKeyStore::AddKey(const CKey& key)
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
+
+        CScript script;
+        script.SetDestination(key.GetPubKey().GetID());
+
+        if (HaveWatchOnly(script))
+            return false;
+
         if (!IsCrypted())
             return CBasicKeyStore::AddKey(key);
 
@@ -95,8 +188,9 @@ bool CCryptoKeyStore::AddKey(const CKey& key)
             return false;
 
         std::vector<unsigned char> vchCryptedSecret;
-        std::vector<unsigned char> vchPubKey = key.GetPubKey();
-        if (!EncryptSecret(vMasterKey, key.GetSecret(), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
+        CPubKey vchPubKey = key.GetPubKey();
+        bool fCompressed;
+        if (!EncryptSecret(vMasterKey, key.GetSecret(fCompressed), vchPubKey.GetHash(), vchCryptedSecret))
             return false;
 
         if (!AddCryptedKey(key.GetPubKey(), vchCryptedSecret))
@@ -105,36 +199,124 @@ bool CCryptoKeyStore::AddKey(const CKey& key)
     return true;
 }
 
+bool CCryptoKeyStore::AddMalleableKey(const CMalleableKeyView& keyView, const CSecret &vchSecretH)
+{
+    {
+        LOCK(cs_KeyStore);
+        if (!SetCrypted())
+            return CBasicKeyStore::AddMalleableKey(keyView, vchSecretH);
+
+        if (IsLocked())
+            return false;
+
+        CKey keyH;
+        keyH.SetSecret(vchSecretH, true);
+
+        std::vector<unsigned char> vchCryptedSecretH;
+        if (!EncryptSecret(vMasterKey, vchSecretH, keyH.GetPubKey().GetHash(), vchCryptedSecretH))
+            return false;
+
+        if (!AddCryptedMalleableKey(keyView, vchCryptedSecretH))
+            return false;
+    }
+    return true;
+}
+
+bool CCryptoKeyStore::AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
+{
+    {
+        LOCK(cs_KeyStore);
+        if (!SetCrypted())
+            return false;
 
-bool CCryptoKeyStore::AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
+        mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret);
+    }
+    return true;
+}
+
+bool CCryptoKeyStore::AddCryptedMalleableKey(const CMalleableKeyView& keyView, const std::vector<unsigned char>  &vchCryptedSecretH)
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
         if (!SetCrypted())
             return false;
 
-        mapCryptedKeys[CBitcoinAddress(vchPubKey)] = make_pair(vchPubKey, vchCryptedSecret);
+        mapCryptedMalleableKeys[CMalleableKeyView(keyView)] = vchCryptedSecretH;
+    }
+    return true;
+}
+
+bool CCryptoKeyStore::CreatePrivKey(const CPubKey &pubKeyVariant, const CPubKey &R, CKey &privKey) const
+{
+    {
+        LOCK(cs_KeyStore);
+        if (!IsCrypted())
+            return CBasicKeyStore::CreatePrivKey(pubKeyVariant, R, privKey);
+
+        for (CryptedMalleableKeyMap::const_iterator mi = mapCryptedMalleableKeys.begin(); mi != mapCryptedMalleableKeys.end(); mi++)
+        {
+            if (mi->first.CheckKeyVariant(R, pubKeyVariant))
+            {
+                const CPubKey H = mi->first.GetMalleablePubKey().GetH();
+
+                CSecret vchSecretH;
+                if (!DecryptSecret(vMasterKey, mi->second, H.GetHash(), vchSecretH))
+                    return false;
+                if (vchSecretH.size() != 32)
+                    return false;
+
+                CMalleableKey mKey = mi->first.GetMalleableKey(vchSecretH);
+                return mKey.CheckKeyVariant(R, pubKeyVariant, privKey);;
+            }
+        }
+
     }
     return true;
 }
 
-bool CCryptoKeyStore::GetKey(const CBitcoinAddress &address, CKey& keyOut) const
+bool CCryptoKeyStore::GetMalleableKey(const CMalleableKeyView &keyView, CMalleableKey &mKey) const
+{
+    {
+        LOCK(cs_KeyStore);
+        if (!IsCrypted())
+            return CBasicKeyStore::GetMalleableKey(keyView, mKey);
+        CryptedMalleableKeyMap::const_iterator mi = mapCryptedMalleableKeys.find(keyView);
+        if (mi != mapCryptedMalleableKeys.end())
+        {
+            const CPubKey H = keyView.GetMalleablePubKey().GetH();
+
+            CSecret vchSecretH;
+            if (!DecryptSecret(vMasterKey, mi->second, H.GetHash(), vchSecretH))
+                return false;
+
+            if (vchSecretH.size() != 32)
+                return false;
+            mKey = mi->first.GetMalleableKey(vchSecretH);
+
+            return true;
+        }
+    }
+    return false;
+}
+
+bool CCryptoKeyStore::GetKey(const CKeyID &address, CKey& keyOut) const
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
         if (!IsCrypted())
             return CBasicKeyStore::GetKey(address, keyOut);
 
         CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
         if (mi != mapCryptedKeys.end())
         {
-            const std::vector<unsigned char> &vchPubKey = (*mi).second.first;
+            const CPubKey &vchPubKey = (*mi).second.first;
             const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
             CSecret vchSecret;
-            if (!DecryptSecret(vMasterKey, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
+            if (!DecryptSecret(vMasterKey, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
                 return false;
             if (vchSecret.size() != 32)
                 return false;
+            keyOut.SetPubKey(vchPubKey);
             keyOut.SetSecret(vchSecret);
             return true;
         }
@@ -142,10 +324,10 @@ bool CCryptoKeyStore::GetKey(const CBitcoinAddress &address, CKey& keyOut) const
     return false;
 }
 
-bool CCryptoKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char>& vchPubKeyOut) const
+bool CCryptoKeyStore::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
         if (!IsCrypted())
             return CKeyStore::GetPubKey(address, vchPubKeyOut);
 
@@ -161,25 +343,83 @@ bool CCryptoKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsi
 
 bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
 {
-    CRITICAL_BLOCK(cs_KeyStore)
     {
+        LOCK(cs_KeyStore);
         if (!mapCryptedKeys.empty() || IsCrypted())
             return false;
 
         fUseCrypto = true;
-        CKey key;
         BOOST_FOREACH(KeyMap::value_type& mKey, mapKeys)
         {
-            if (!key.SetSecret(mKey.second))
+            CKey key;
+            if (!key.SetSecret(mKey.second.first, mKey.second.second))
                 return false;
-            const std::vector<unsigned char> vchPubKey = key.GetPubKey();
+            const CPubKey vchPubKey = key.GetPubKey();
             std::vector<unsigned char> vchCryptedSecret;
-            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
+            bool fCompressed;
+            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(fCompressed), vchPubKey.GetHash(), vchCryptedSecret))
                 return false;
             if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
                 return false;
         }
         mapKeys.clear();
+
+        BOOST_FOREACH(MalleableKeyMap::value_type& mKey, mapMalleableKeys)
+        {
+            const CPubKey vchPubKeyH = mKey.first.GetMalleablePubKey().GetH();
+            std::vector<unsigned char> vchCryptedSecretH;
+            if (!EncryptSecret(vMasterKeyIn, mKey.second, vchPubKeyH.GetHash(), vchCryptedSecretH))
+                return false;
+            if (!AddCryptedMalleableKey(mKey.first, vchCryptedSecretH))
+                return false;
+        }
+        mapMalleableKeys.clear();
+    }
+    return true;
+}
+
+bool CCryptoKeyStore::DecryptKeys(const CKeyingMaterial& vMasterKeyIn)
+{
+    {
+        LOCK(cs_KeyStore);
+        if (!IsCrypted())
+            return false;
+
+        CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
+        for (; mi != mapCryptedKeys.end(); ++mi)
+        {
+            const CPubKey &vchPubKey = (*mi).second.first;
+            const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
+            CSecret vchSecret;
+            if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
+                return false;
+            if (vchSecret.size() != 32)
+                return false;
+            CKey key;
+            key.SetPubKey(vchPubKey);
+            key.SetSecret(vchSecret);
+            if (!CBasicKeyStore::AddKey(key))
+                return false;
+        }
+
+        mapCryptedKeys.clear();
+
+        CryptedMalleableKeyMap::const_iterator mi2 = mapCryptedMalleableKeys.begin();
+        for(; mi2 != mapCryptedMalleableKeys.end(); ++mi2)
+        {
+            const CPubKey vchPubKeyH = mi2->first.GetMalleablePubKey().GetH();
+
+            CSecret vchSecretH;
+            if(!DecryptSecret(vMasterKeyIn, mi2->second, vchPubKeyH.GetHash(), vchSecretH))
+                return false;
+            if (vchSecretH.size() != 32)
+                return false;
+
+            if (!CBasicKeyStore::AddMalleableKey(mi2->first, vchSecretH))
+                return false;
+        }
+        mapCryptedMalleableKeys.clear();
     }
+
     return true;
 }