Use OpenSSL's bignum library

CMakeLists.txt

@@ -82,5 +82,8 @@ if(MSVC)
     add_definitions(-D_SCL_SECURE_NO_WARNINGS)
 endif(MSVC)
 
+#TODO: Make the OpenSSL includes less promiscuous so this isn't needed
+include_directories(${OPENSSL_INCLUDE_DIR})
+
 add_subdirectory(Sources/Plasma)
 add_subdirectory(Sources/Tools)

Sources/Plasma/CoreLibExe/CMakeLists.txt

@@ -1,6 +1,7 @@
-include_directories("../../Plasma/CoreLib")
 add_definitions(-D_LIB)
 
+include_directories("../../Plasma/CoreLib")
+
 set(CoreLibExe_SOURCES
     hsExeError.cpp
     hsExeMalloc.cpp

Sources/Plasma/FeatureLib/pfAnimation/CMakeLists.txt

@@ -3,11 +3,6 @@ include_directories("../../NucleusLib")
 include_directories("../../NucleusLib/inc")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
-# this is in the vcproj, but it seems silly for animation...
-# find_package(OpenSSL REQUIRED)
-
 set(pfAnimation_SOURCES
     pfObjectFlocker.cpp
     plAnimDebugList.cpp

Sources/Plasma/FeatureLib/pfAudio/CMakeLists.txt

@@ -5,7 +5,6 @@ include_directories(../../NucleusLib/inc)
 include_directories(../../PubUtilLib)
 #include_directories(../../PubUtilLib/inc)
 
-include_directories(${OPENSSL_INCLUDE_DIR})
 include_directories(${OPENAL_INCLUDE_DIR})
 
 set(pfAudio_SOURCES

Sources/Plasma/FeatureLib/pfCamera/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories(../../NucleusLib)
 include_directories(../../NucleusLib/inc)
 include_directories(../../PubUtilLib)
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(pfCamera_SOURCES
     pfCameraProxy.cpp
     plCameraBrain.cpp

Sources/Plasma/FeatureLib/pfCharacter/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories(../../NucleusLib)
 include_directories(../../NucleusLib/inc)
 include_directories(../../PubUtilLib)
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(pfCharacter_SOURCES
     pfMarkerInfo.cpp
     pfMarkerMgr.cpp

Sources/Plasma/FeatureLib/pfConsole/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories(../../NucleusLib)
 include_directories(../../NucleusLib/inc)
 include_directories(../../PubUtilLib)
 
-include_directories(${OPENSSL_INCLUDE_DIR})
 include_directories(${OPENAL_INCLUDE_DIR})
 include_directories(${PYTHON_INCLUDE_DIR})
 

Sources/Plasma/FeatureLib/pfConsoleCore/pfConsoleCommandsCore.cpp

@@ -61,14 +61,6 @@ void PrintStringF(void pfun(const char *),const char * fmt, ...)
 *
 ***/
 
-//TODO: Fix Plasma to use OpenSSL's byte order (or better yet, to use OpenSSL),
-//      so this hack isn't needed
-static void swap_key_bytes(byte keyData[])
-{
-    for (size_t i = 0; i < (kNetDiffieHellmanKeyBits / 16); ++i)
-        std::swap(keyData[i], keyData[ (kNetDiffieHellmanKeyBits / 8) - i - 1 ]);
-}
-
 //============================================================================
 // Server group
 PF_CONSOLE_GROUP(Server)
@@ -159,7 +151,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kAuthDhNData);
-    swap_key_bytes(kAuthDhNData);
 }
 
 //============================================================================
@@ -178,7 +169,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kAuthDhXData);
-    swap_key_bytes(kAuthDhXData);
 }
 
 
@@ -214,7 +204,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kCsrDhNData);
-    swap_key_bytes(kCsrDhNData);
 }
 
 //============================================================================
@@ -233,7 +222,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kCsrDhXData);
-    swap_key_bytes(kCsrDhXData);
 }
 
 
@@ -257,7 +245,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kGameDhNData);
-    swap_key_bytes(kGameDhNData);
 }
 
 //============================================================================
@@ -276,7 +263,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kGameDhXData);
-    swap_key_bytes(kGameDhXData);
 }
 
 
@@ -312,7 +298,6 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kGateKeeperDhNData);
-    swap_key_bytes(kGateKeeperDhNData);
 }
 
 //============================================================================
@@ -331,5 +316,4 @@ PF_CONSOLE_CMD(
 
     Base64Decode(hsStrlen((const char *)params[0]), (const char *)params[0],
                  kNetDiffieHellmanKeyBits / 8, kGateKeeperDhXData);
-    swap_key_bytes(kGateKeeperDhXData);
 }

Sources/Plasma/FeatureLib/pfGameMgr/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories(../../NucleusLib)
 include_directories(../../NucleusLib/inc)
 include_directories(../../PubUtilLib)
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(pfGameMgr_SOURCES
     pfGameMgr.cpp
     BlueSpiral/pfGmBlueSpiral.cpp

Sources/Plasma/FeatureLib/pfJournalBook/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories(../../NucleusLib)
 include_directories(../../NucleusLib/inc)
 include_directories(../../PubUtilLib)
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(pfJournalBook_SOURCES
     pfJournalBook.cpp
 )

Sources/Plasma/FeatureLib/pfPython/CMakeLists.txt

@@ -7,7 +7,6 @@ include_directories(../../)
 
 include_directories(${PYTHON_INCLUDE_DIR})
 include_directories(${OPENAL_INCLUDE_DIR})
-include_directories(${OPENSSL_INCLUDE_DIR})
 
 set(pfPython_SOURCES
     cyAccountManagement.cpp

Sources/Plasma/NucleusLib/pnNetCli/pnNcCli.cpp

@@ -589,20 +589,22 @@ static void ClientConnect (NetCli * cli) {
     {
         ZERO(cli->seed);
         unsigned bytes;
-        const void * data = clientSeed.GetData(&bytes);
+        unsigned char * data = clientSeed.GetData_LE(&bytes);
         MemCopy(cli->seed, data, min(bytes, sizeof(cli->seed)));
+        delete [] data;
     }
 
     // Send server seed
     if (cli->sock) {
         unsigned bytes;
         NetCli_Cli2Srv_Connect msg;
-        const void * data = serverSeed.GetData(&bytes);
+        unsigned char * data = serverSeed.GetData_LE(&bytes);
         ASSERTMSG(bytes <= sizeof(msg.dh_y_data), "4");
         msg.message    = kNetCliCli2SrvConnect;
         msg.length     = (byte) (sizeof(msg) - sizeof(msg.dh_y_data) +  bytes);
         MemCopy(msg.dh_y_data, data, bytes);
         AsyncSocketSend(cli->sock, &msg, msg.length);
+        delete [] data;
     }
 }
 
@@ -643,8 +645,9 @@ static bool ServerRecvConnect (
 
         ZERO(clientSeed);
         unsigned bytes;
-        const void * data = clientSeedValue.GetData(&bytes);
+        unsigned char * data = clientSeedValue.GetData_LE(&bytes);
         MemCopy(clientSeed, data, min(bytes, sizeof(clientSeed)));
+        delete [] data;
     }
 
     // Create the symmetric key from a combination

Sources/Plasma/NucleusLib/pnUtils/CMakeLists.txt

@@ -1,8 +1,6 @@
 include_directories("../../CoreLib")
 include_directories("../../NucleusLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(pnUtils_HEADERS
     Intern.h
     Pch.h

Sources/Plasma/NucleusLib/pnUtils/Private/pnUtBigNum.h

@@ -41,70 +41,169 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 *
 ***/
 
-class BigNum : private ARRAY(dword) {
-public:
-    typedef dword Val;   // must match base array
-    typedef qword DVal;  // must be twice as large as Val
+#include <openssl/bn.h>
 
+class BigNum {
 private:
-    bool m_isTemp;
+    BIGNUM m_number;
+    mutable BN_CTX * m_context;
 
-    void DivNormalized (const BigNum & a, const BigNum & b, BigNum * remainder);
-    void ModNormalized (const BigNum & a, const BigNum & b);
-
-    inline static DVal Mul (Val a, Val b);
-
-    inline void SetVal (unsigned index, Val value);
-    inline void SetVal (unsigned index, DVal value, Val * carry);
-    inline void Trim (unsigned count);
-    inline BigNum * UseTempAlloc (Val * ptr, unsigned count);
+    BN_CTX * GetContext () const
+    {
+        if (!m_context)
+            m_context = BN_CTX_new();
+        return m_context;
+    }
 
 public:
     BigNum ();
     BigNum (const BigNum & a);
     BigNum (unsigned a);
-    BigNum (unsigned bytes, const void * data);
-    BigNum (const wchar str[], Val radix);
+    BigNum (unsigned bytes, const void * data, bool le=false);
     ~BigNum ();
 
+    BigNum & operator= (const BigNum & a)
+    {
+        BN_copy(&m_number, &a.m_number);
+        return *this;
+    }
+
     // Constant parameters need not be distinct from the destination or from
     // each other
 
-    void Add (const BigNum & a, Val b);
-    void Add (const BigNum & a, const BigNum & b);
-    int  Compare (Val a) const;
-    int  Compare (const BigNum & a) const;
-    void Div (const BigNum & a, Val b, Val * remainder);
-    void Div (const BigNum & a, const BigNum & b, BigNum * remainder);
-    void FromData (unsigned bytes, const void * data);
-    void FromStr (const wchar str[], Val radix);
-    void Gcd (const BigNum & a, const BigNum & b);
-    const void * GetData (unsigned * bytes) const;
-    unsigned HighBitPos () const;
-    bool InverseMod (const BigNum & a, const BigNum & b);
-    bool IsMultiple (Val a) const;
-    bool IsOdd () const;
-    bool IsPrime () const;
-    unsigned LowBitPos () const;
-    void Mod (const BigNum & a, const BigNum & b);
-    void Mul (const BigNum & a, Val b);
-    void Mul (const BigNum & a, const BigNum & b);
-    void MulMod (const BigNum & a, const BigNum & b, const BigNum & c);
-    void PowMod (Val a, const BigNum & b, const BigNum & c);
-    void PowMod (const BigNum & a, const BigNum & b, const BigNum & c);
-    void Rand (const BigNum & a, BigNum * seed);
-    void Rand (unsigned bits, BigNum * seed);
-    void RandPrime (unsigned bits, BigNum * seed);
-    void Set (const BigNum & a);
-    void Set (unsigned a);
-    void SetBits (unsigned setBitsOffset, unsigned setBitsCount);
-    void SetOne ();
-    void SetZero ();
-    void Shl (const BigNum & a, unsigned b);
-    void Shr (const BigNum & a, unsigned b);
-    void Square (const BigNum & a);
-    void Sub (const BigNum & a, Val b);
-    void Sub (const BigNum & a, const BigNum & b);
-    void ToStr (BigNum * buffer, Val radix) const;
+    void Add (const BigNum & a, dword b)
+    {
+        // this = a + b
+        BN_copy(&m_number, &a.m_number);
+        BN_add_word(&m_number, b);
+    }
 
+    void Add (const BigNum & a, const BigNum & b)
+    {
+        // this = a + b
+        BN_add(&m_number, &a.m_number, &b.m_number);
+    }
+
+    int  Compare (dword a) const;
+    int  Compare (const BigNum & a) const
+    {
+        return BN_cmp(&m_number, &a.m_number);
+    }
+
+    void Div (const BigNum & a, dword b, dword * remainder)
+    {
+        // this = a / b, remainder = a % b
+        BN_copy(&m_number, &a.m_number);
+        *remainder = (dword)BN_div_word(&m_number, b);
+    }
+
+    void Div (const BigNum & a, const BigNum & b, BigNum * remainder)
+    {
+        // this = a / b, remainder = a % b
+        // either this or remainder may be nil
+        BN_div(this ? &m_number : nil, remainder ? &remainder->m_number : nil,
+               &a.m_number, &b.m_number, GetContext());
+    }
+
+    void FromData_BE (unsigned bytes, const void * data)
+    {
+        BN_bin2bn((const unsigned char *)data, bytes, &m_number);
+    }
+
+    void FromData_LE (unsigned bytes, const void * data);
+
+    unsigned char * GetData_BE (unsigned * bytes) const;
+    unsigned char * GetData_LE (unsigned * bytes) const;
+
+    bool IsPrime () const
+    {
+        // Cyan's code uses 3 checks, so we'll follow suit.
+        // This provides an accurate answer to p < 0.015625
+        return BN_is_prime_fasttest(&m_number, 3, nil, GetContext(), nil, 1) > 0;
+    }
+
+    void Mod (const BigNum & a, const BigNum & b)
+    {
+        // this = a % b
+        BN_div(nil, &m_number, &a.m_number, &b.m_number, GetContext());
+    }
+
+    void Mul (const BigNum & a, dword b)
+    {
+        // this = a * b
+        BN_copy(&m_number, &a.m_number);
+        BN_mul_word(&m_number, b);
+    }
+
+    void Mul (const BigNum & a, const BigNum & b)
+    {
+        // this = a * b
+        BN_mul(&m_number, &a.m_number, &b.m_number, GetContext());
+    }
+
+    void PowMod (dword a, const BigNum & b, const BigNum & c)
+    {
+        // this = a ^ b % c
+        PowMod(BigNum(a), b, c);
+    }
+
+    void PowMod (const BigNum & a, const BigNum & b, const BigNum & c)
+    {
+        // this = a ^ b % c
+        BN_mod_exp(&m_number, &a.m_number, &b.m_number, &c.m_number, GetContext());
+    }
+
+    void Rand (const BigNum & a, BigNum * seed)
+    {
+        // this = random number less than a
+        unsigned bits = BN_num_bits(&a.m_number);
+        do
+            Rand(bits, seed);
+        while (Compare(a) >= 0);
+    }
+
+    void Rand (unsigned bits, BigNum * seed);
+
+    void RandPrime (unsigned bits, BigNum * seed)
+    {
+        BN_generate_prime(&m_number, bits, 1, nil, nil, nil, nil);
+    }
+
+    void Set (const BigNum & a)
+    {
+        BN_copy(&m_number, &a.m_number);
+    }
+
+    void Set (unsigned a)
+    {
+        BN_set_word(&m_number, a);
+    }
+
+    void SetOne () { Set(1); }
+    void SetZero () { Set(0); }
+
+    void Shl (const BigNum & a, unsigned b)
+    {
+        // this = a << b
+        BN_lshift(&m_number, &a.m_number, b);
+    }
+
+    void Shr (const BigNum & a, unsigned b)
+    {
+        // this = a >> b
+        BN_rshift(&m_number, &a.m_number, b);
+    }
+
+    void Sub (const BigNum & a, dword b)
+    {
+        // this = a - b
+        BN_copy(&m_number, &a.m_number);
+        BN_sub_word(&m_number, b);
+    }
+
+    void Sub (const BigNum & a, const BigNum & b)
+    {
+        // this = a - b
+        BN_sub(&m_number, &a.m_number, &b.m_number);
+    }
 };

Sources/Plasma/PubUtilLib/plAgeDescription/CMakeLists.txt

@@ -3,8 +3,6 @@ include_directories("../../FeatureLib")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plAgeDescription_SOURCES
     plAgeDescription.cpp
     plAgeManifest.cpp

Sources/Plasma/PubUtilLib/plAgeLoader/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plAgeLoader_SOURCES
     plAgeLoader.cpp
     plAgeLoaderPaging.cpp

Sources/Plasma/PubUtilLib/plAvatar/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
 include_directories(${OPENAL_INCLUDE_DIR})
 
 set(plAvatar_SOURCES

Sources/Plasma/PubUtilLib/plEncryption/CMakeLists.txt

@@ -2,8 +2,6 @@ include_directories("../../CoreLib")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plEncryption_SOURCES
     plChecksum.cpp
 )

Sources/Plasma/PubUtilLib/plGLight/CMakeLists.txt

@@ -3,8 +3,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plGLight_SOURCES
     plDirectShadowMaster.cpp
     plLightInfo.cpp

Sources/Plasma/PubUtilLib/plInputCore/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
 include_directories(${DirectX_INCLUDE_DIR})
-include_directories(${OPENSSL_INCLUDE_DIR})
 include_directories(${OPENAL_INCLUDE_DIR})
 
 set(plInputCore_SOURCES

Sources/Plasma/PubUtilLib/plModifier/CMakeLists.txt

@@ -6,7 +6,6 @@ include_directories("../../PubUtilLib")
 
 include_directories(${PHYSX_INCLUDE_DIRS})
 include_directories(${OPENAL_INCLUDE_DIR})
-include_directories(${OPENSSL_INCLUDE_DIR})
 
 set(plModifier_SOURCES
     plAnimEventModifier.cpp

Sources/Plasma/PubUtilLib/plNetClient/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plNetClient_SOURCES
     plLinkEffectsMgr.cpp
     plNetCliAgeJoiner.cpp

Sources/Plasma/PubUtilLib/plNetClientComm/CMakeLists.txt

@@ -4,8 +4,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plNetClientComm_SOURCES
     plNetClientComm.cpp
 )

Sources/Plasma/PubUtilLib/plNetTransport/CMakeLists.txt

@@ -3,8 +3,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plNetTransport_SOURCES
     plNetTransport.cpp
     plNetTransportMember.cpp

Sources/Plasma/PubUtilLib/plPhysX/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
 include_directories(${PHYSX_INCLUDE_DIRS})
-include_directories(${OPENSSL_INCLUDE_DIR})
 
 set(plPhysX_SOURCES
     plLOSDispatch.cpp

Sources/Plasma/PubUtilLib/plStatGather/CMakeLists.txt

@@ -3,8 +3,6 @@ include_directories("../../NucleusLib/inc")
 include_directories("../../NucleusLib")
 include_directories("../../PubUtilLib")
 
-include_directories(${OPENSSL_INCLUDE_DIR})
-
 set(plStatGather_SOURCES
     plAutoProfile.cpp
     plCalculatedProfiles.cpp

Sources/Tools/MaxMain/CMakeLists.txt

@@ -7,7 +7,6 @@ include_directories("../../Plasma/NucleusLib/inc")
 include_directories("../../Plasma/PubUtilLib")
 include_directories("../../Plasma/PubUtilLib/inc")
 include_directories(${3dsm_INCLUDE_DIR})
-include_directories(${OPENSSL_INCLUDE_DIR})
 include_directories(${OPENAL_INCLUDE_DIR})
 include_directories(${PHYSX_INCLUDE_DIRS})
 include_directories(${PYTHON_INCLUDE_DIR})