Big re-organization of repository [W.I.P]

modules/acore/framework/Cryptography/ARC4.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ARC4.h"
+#include <openssl/sha.h>
+
+ARC4::ARC4(uint8 len) : m_ctx()
+{
+    EVP_CIPHER_CTX_init(&m_ctx);
+    EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
+    EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
+}
+
+ARC4::ARC4(uint8 *seed, uint8 len) : m_ctx()
+{
+    EVP_CIPHER_CTX_init(&m_ctx);
+    EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
+    EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
+    EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
+}
+
+ARC4::~ARC4()
+{
+    EVP_CIPHER_CTX_cleanup(&m_ctx);
+}
+
+void ARC4::Init(uint8 *seed)
+{
+    EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
+}
+
+void ARC4::UpdateData(int len, uint8 *data)
+{
+    int outlen = 0;
+    EVP_EncryptUpdate(&m_ctx, data, &outlen, data, len);
+    EVP_EncryptFinal_ex(&m_ctx, data, &outlen);
+}

modules/acore/framework/Cryptography/ARC4.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUTH_SARC4_H
+#define _AUTH_SARC4_H
+
+#include "Define.h"
+#include <openssl/evp.h>
+
+class ARC4
+{
+    public:
+        ARC4(uint8 len);
+        ARC4(uint8 *seed, uint8 len);
+        ~ARC4();
+        void Init(uint8 *seed);
+        void UpdateData(int len, uint8 *data);
+    private:
+        EVP_CIPHER_CTX m_ctx;
+};
+
+#endif

modules/acore/framework/Cryptography/Authentication/AuthCrypt.cpp

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "AuthCrypt.h"
+#include "Cryptography/HMACSHA1.h"
+#include "Cryptography/BigNumber.h"
+
+AuthCrypt::AuthCrypt() :
+    _clientDecrypt(SHA_DIGEST_LENGTH), _serverEncrypt(SHA_DIGEST_LENGTH),
+    _initialized(false)
+{ }
+
+void AuthCrypt::Init(BigNumber* K)
+{
+    uint8 ServerEncryptionKey[SEED_KEY_SIZE] = { 0xCC, 0x98, 0xAE, 0x04, 0xE8, 0x97, 0xEA, 0xCA, 0x12, 0xDD, 0xC0, 0x93, 0x42, 0x91, 0x53, 0x57 };
+    HmacHash serverEncryptHmac(SEED_KEY_SIZE, (uint8*)ServerEncryptionKey);
+    uint8 *encryptHash = serverEncryptHmac.ComputeHash(K);
+
+    uint8 ServerDecryptionKey[SEED_KEY_SIZE] = { 0xC2, 0xB3, 0x72, 0x3C, 0xC6, 0xAE, 0xD9, 0xB5, 0x34, 0x3C, 0x53, 0xEE, 0x2F, 0x43, 0x67, 0xCE };
+    HmacHash clientDecryptHmac(SEED_KEY_SIZE, (uint8*)ServerDecryptionKey);
+    uint8 *decryptHash = clientDecryptHmac.ComputeHash(K);
+
+    //ARC4 _serverDecrypt(encryptHash);
+    _clientDecrypt.Init(decryptHash);
+    _serverEncrypt.Init(encryptHash);
+    //ARC4 _clientEncrypt(decryptHash);
+
+    // Drop first 1024 bytes, as WoW uses ARC4-drop1024.
+    uint8 syncBuf[1024];
+    memset(syncBuf, 0, 1024);
+
+    _serverEncrypt.UpdateData(1024, syncBuf);
+    //_clientEncrypt.UpdateData(1024, syncBuf);
+
+    memset(syncBuf, 0, 1024);
+
+    //_serverDecrypt.UpdateData(1024, syncBuf);
+    _clientDecrypt.UpdateData(1024, syncBuf);
+
+    _initialized = true;
+}
+
+void AuthCrypt::DecryptRecv(uint8 *data, size_t len)
+{
+    if (!_initialized)
+        return;
+
+    _clientDecrypt.UpdateData(len, data);
+}
+
+void AuthCrypt::EncryptSend(uint8 *data, size_t len)
+{
+    if (!_initialized)
+        return;
+
+    _serverEncrypt.UpdateData(len, data);
+}
+

modules/acore/framework/Cryptography/Authentication/AuthCrypt.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUTHCRYPT_H
+#define _AUTHCRYPT_H
+
+#include "Cryptography/ARC4.h"
+
+class BigNumber;
+
+class AuthCrypt
+{
+    public:
+        AuthCrypt();
+
+        void Init(BigNumber* K);
+        void DecryptRecv(uint8 *, size_t);
+        void EncryptSend(uint8 *, size_t);
+
+        bool IsInitialized() const { return _initialized; }
+
+    private:
+        ARC4 _clientDecrypt;
+        ARC4 _serverEncrypt;
+        bool _initialized;
+};
+#endif

modules/acore/framework/Cryptography/BigNumber.cpp

@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <ace/Guard_T.h>
+
+#include "Cryptography/BigNumber.h"
+#include <openssl/bn.h>
+#include <openssl/crypto.h>
+#include <algorithm>
+#include <ace/Auto_Ptr.h>
+
+BigNumber::BigNumber()
+    : _bn(BN_new())
+{ }
+
+BigNumber::BigNumber(BigNumber const& bn)
+    : _bn(BN_dup(bn._bn))
+{ }
+
+BigNumber::BigNumber(uint32 val)
+    : _bn(BN_new())
+{
+    BN_set_word(_bn, val);
+}
+
+BigNumber::~BigNumber()
+{
+    BN_free(_bn);
+}
+
+void BigNumber::SetDword(uint32 val)
+{
+    BN_set_word(_bn, val);
+}
+
+void BigNumber::SetQword(uint64 val)
+{
+    BN_set_word(_bn, (uint32)(val >> 32));
+    BN_lshift(_bn, _bn, 32);
+    BN_add_word(_bn, (uint32)(val & 0xFFFFFFFF));
+}
+
+void BigNumber::SetBinary(uint8 const* bytes, int32 len)
+{
+    uint8* array = new uint8[len];
+
+    for (int i = 0; i < len; i++)
+        array[i] = bytes[len - 1 - i];
+
+    BN_bin2bn(array, len, _bn);
+
+    delete[] array;
+}
+
+void BigNumber::SetHexStr(char const* str)
+{
+    BN_hex2bn(&_bn, str);
+}
+
+void BigNumber::SetRand(int32 numbits)
+{
+    BN_rand(_bn, numbits, 0, 1);
+}
+
+BigNumber& BigNumber::operator=(BigNumber const& bn)
+{
+    if (this == &bn)
+        return *this;
+
+    BN_copy(_bn, bn._bn);
+    return *this;
+}
+
+BigNumber BigNumber::operator+=(BigNumber const& bn)
+{
+    BN_add(_bn, _bn, bn._bn);
+    return *this;
+}
+
+BigNumber BigNumber::operator-=(BigNumber const& bn)
+{
+    BN_sub(_bn, _bn, bn._bn);
+    return *this;
+}
+
+BigNumber BigNumber::operator*=(BigNumber const& bn)
+{
+    BN_CTX *bnctx;
+
+    bnctx = BN_CTX_new();
+    BN_mul(_bn, _bn, bn._bn, bnctx);
+    BN_CTX_free(bnctx);
+
+    return *this;
+}
+
+BigNumber BigNumber::operator/=(BigNumber const& bn)
+{
+    BN_CTX *bnctx;
+
+    bnctx = BN_CTX_new();
+    BN_div(_bn, NULL, _bn, bn._bn, bnctx);
+    BN_CTX_free(bnctx);
+
+    return *this;
+}
+
+BigNumber BigNumber::operator%=(BigNumber const& bn)
+{
+    BN_CTX *bnctx;
+
+    bnctx = BN_CTX_new();
+    BN_mod(_bn, _bn, bn._bn, bnctx);
+    BN_CTX_free(bnctx);
+
+    return *this;
+}
+
+BigNumber BigNumber::Exp(BigNumber const& bn)
+{
+    BigNumber ret;
+    BN_CTX *bnctx;
+
+    bnctx = BN_CTX_new();
+    BN_exp(ret._bn, _bn, bn._bn, bnctx);
+    BN_CTX_free(bnctx);
+
+    return ret;
+}
+
+BigNumber BigNumber::ModExp(BigNumber const& bn1, BigNumber const& bn2)
+{
+    BigNumber ret;
+    BN_CTX *bnctx;
+
+    bnctx = BN_CTX_new();
+    BN_mod_exp(ret._bn, _bn, bn1._bn, bn2._bn, bnctx);
+    BN_CTX_free(bnctx);
+
+    return ret;
+}
+
+int32 BigNumber::GetNumBytes(void)
+{
+    return BN_num_bytes(_bn);
+}
+
+uint32 BigNumber::AsDword()
+{
+    return (uint32)BN_get_word(_bn);
+}
+
+bool BigNumber::isZero() const
+{
+    return BN_is_zero(_bn);
+}
+
+ACE_Auto_Array_Ptr<uint8> BigNumber::AsByteArray(int32 minSize, bool littleEndian)
+{
+    int length = (minSize >= GetNumBytes()) ? minSize : GetNumBytes();
+
+    uint8* array = new uint8[length];
+
+    // If we need more bytes than length of BigNumber set the rest to 0
+    if (length > GetNumBytes())
+        memset((void*)array, 0, length);
+
+    BN_bn2bin(_bn, (unsigned char *)array);
+
+    // openssl's BN stores data internally in big endian format, reverse if little endian desired
+    if (littleEndian)
+        std::reverse(array, array + length);
+
+    ACE_Auto_Array_Ptr<uint8> ret(array);
+    return ret;
+}
+
+char * BigNumber::AsHexStr() const
+{
+    return BN_bn2hex(_bn);
+}
+
+char * BigNumber::AsDecStr() const
+{
+    return BN_bn2dec(_bn);
+}
+

modules/acore/framework/Cryptography/BigNumber.h

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUTH_BIGNUMBER_H
+#define _AUTH_BIGNUMBER_H
+
+#include "Define.h"
+#include <ace/Auto_Ptr.h>
+
+struct bignum_st;
+
+class BigNumber
+{
+    public:
+        BigNumber();
+        BigNumber(BigNumber const& bn);
+        BigNumber(uint32);
+        ~BigNumber();
+
+        void SetDword(uint32);
+        void SetQword(uint64);
+        void SetBinary(uint8 const* bytes, int32 len);
+        void SetHexStr(char const* str);
+
+        void SetRand(int32 numbits);
+
+        BigNumber& operator=(BigNumber const& bn);
+
+        BigNumber operator+=(BigNumber const& bn);
+        BigNumber operator+(BigNumber const& bn)
+        {
+            BigNumber t(*this);
+            return t += bn;
+        }
+
+        BigNumber operator-=(BigNumber const& bn);
+        BigNumber operator-(BigNumber const& bn)
+        {
+            BigNumber t(*this);
+            return t -= bn;
+        }
+
+        BigNumber operator*=(BigNumber const& bn);
+        BigNumber operator*(BigNumber const& bn)
+        {
+            BigNumber t(*this);
+            return t *= bn;
+        }
+
+        BigNumber operator/=(BigNumber const& bn);
+        BigNumber operator/(BigNumber const& bn)
+        {
+            BigNumber t(*this);
+            return t /= bn;
+        }
+
+        BigNumber operator%=(BigNumber const& bn);
+        BigNumber operator%(BigNumber const& bn)
+        {
+            BigNumber t(*this);
+            return t %= bn;
+        }
+
+        bool isZero() const;
+
+        BigNumber ModExp(BigNumber const& bn1, BigNumber const& bn2);
+        BigNumber Exp(BigNumber const&);
+
+        int32 GetNumBytes(void);
+
+        struct bignum_st *BN() { return _bn; }
+
+        uint32 AsDword();
+
+        ACE_Auto_Array_Ptr<uint8> AsByteArray(int32 minSize = 0, bool littleEndian = true);
+
+        char * AsHexStr() const;
+        char * AsDecStr() const;
+
+    private:
+        struct bignum_st *_bn;
+
+};
+#endif
+

modules/acore/framework/Cryptography/HMACSHA1.cpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "HMACSHA1.h"
+#include "BigNumber.h"
+#include "Common.h"
+
+HmacHash::HmacHash(uint32 len, uint8 *seed)
+{
+    HMAC_CTX_init(&m_ctx);
+    HMAC_Init_ex(&m_ctx, seed, len, EVP_sha1(), NULL);
+    memset(m_digest, 0, sizeof(m_digest));
+}
+
+HmacHash::~HmacHash()
+{
+    HMAC_CTX_cleanup(&m_ctx);
+}
+
+void HmacHash::UpdateData(const std::string &str)
+{
+    HMAC_Update(&m_ctx, (uint8 const*)str.c_str(), str.length());
+}
+
+void HmacHash::UpdateData(const uint8* data, size_t len)
+{
+    HMAC_Update(&m_ctx, data, len);
+}
+
+void HmacHash::Finalize()
+{
+    uint32 length = 0;
+    HMAC_Final(&m_ctx, (uint8*)m_digest, &length);
+    ASSERT(length == SHA_DIGEST_LENGTH);
+}
+
+uint8 *HmacHash::ComputeHash(BigNumber* bn)
+{
+    HMAC_Update(&m_ctx, bn->AsByteArray().get(), bn->GetNumBytes());
+    Finalize();
+    return (uint8*)m_digest;
+}

modules/acore/framework/Cryptography/HMACSHA1.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUTH_HMAC_H
+#define _AUTH_HMAC_H
+
+#include "Define.h"
+#include <string>
+#include <openssl/hmac.h>
+#include <openssl/sha.h>
+
+class BigNumber;
+
+#define SEED_KEY_SIZE 16
+
+class HmacHash
+{
+    public:
+        HmacHash(uint32 len, uint8 *seed);
+        ~HmacHash();
+        void UpdateData(const std::string &str);
+        void UpdateData(const uint8* data, size_t len);
+        void Finalize();
+        uint8 *ComputeHash(BigNumber* bn);
+        uint8 *GetDigest() { return (uint8*)m_digest; }
+        int GetLength() const { return SHA_DIGEST_LENGTH; }
+    private:
+        HMAC_CTX m_ctx;
+        uint8 m_digest[SHA_DIGEST_LENGTH];
+};
+#endif
+

modules/acore/framework/Cryptography/OpenSSLCrypto.cpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <OpenSSLCrypto.h>
+#include <openssl/crypto.h>
+#include <ace/Thread_Mutex.h>
+#include <vector>
+#include <ace/Thread.h>
+
+std::vector<ACE_Thread_Mutex*> cryptoLocks;
+
+static void lockingCallback(int mode, int type, const char* /*file*/, int /*line*/)
+{
+    if (mode & CRYPTO_LOCK)
+        cryptoLocks[type]->acquire();
+    else
+        cryptoLocks[type]->release();
+}
+
+static void threadIdCallback(CRYPTO_THREADID * id)
+{
+/// ACE_thread_t turns out to be a struct under Mac OS.
+#ifndef __APPLE__
+    CRYPTO_THREADID_set_numeric(id, ACE_Thread::self());
+#else
+    CRYPTO_THREADID_set_pointer(id, ACE_Thread::self());
+#endif
+}
+
+void OpenSSLCrypto::threadsSetup()
+{
+    cryptoLocks.resize(CRYPTO_num_locks());
+    for(int i = 0 ; i < CRYPTO_num_locks(); ++i)
+    {
+        cryptoLocks[i] = new ACE_Thread_Mutex();
+    }
+    CRYPTO_THREADID_set_callback(threadIdCallback);
+    CRYPTO_set_locking_callback(lockingCallback);
+}
+
+void OpenSSLCrypto::threadsCleanup()
+{
+    CRYPTO_set_locking_callback(NULL);
+    CRYPTO_THREADID_set_callback(NULL);
+    for(int i = 0 ; i < CRYPTO_num_locks(); ++i)
+    {
+        delete cryptoLocks[i];
+    }
+    cryptoLocks.resize(0);
+}

modules/acore/framework/Cryptography/OpenSSLCrypto.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef OPENSSL_CRYPTO_H
+#define OPENSSL_CRYPTO_H
+
+/**
+* A group of functions which setup openssl crypto module to work properly in multithreaded enviroment
+* If not setup properly - it will crash
+*/
+namespace OpenSSLCrypto
+{
+    /// Needs to be called before threads using openssl are spawned
+    void threadsSetup();
+    /// Needs to be called after threads using openssl are despawned
+    void threadsCleanup();
+}
+
+#endif

modules/acore/framework/Cryptography/SHA1.cpp

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SHA1.h"
+#include "BigNumber.h"
+#include <stdarg.h>
+
+SHA1Hash::SHA1Hash()
+{
+    SHA1_Init(&mC);
+    memset(mDigest, 0, SHA_DIGEST_LENGTH * sizeof(uint8));
+}
+
+SHA1Hash::~SHA1Hash()
+{
+    SHA1_Init(&mC);
+}
+
+void SHA1Hash::UpdateData(const uint8 *dta, int len)
+{
+    SHA1_Update(&mC, dta, len);
+}
+
+void SHA1Hash::UpdateData(const std::string &str)
+{
+    UpdateData((uint8 const*)str.c_str(), str.length());
+}
+
+void SHA1Hash::UpdateBigNumbers(BigNumber* bn0, ...)
+{
+    va_list v;
+    BigNumber* bn;
+
+    va_start(v, bn0);
+    bn = bn0;
+    while (bn)
+    {
+        UpdateData(bn->AsByteArray().get(), bn->GetNumBytes());
+        bn = va_arg(v, BigNumber*);
+    }
+    va_end(v);
+}
+
+void SHA1Hash::Initialize()
+{
+    SHA1_Init(&mC);
+}
+
+void SHA1Hash::Finalize(void)
+{
+    SHA1_Final(mDigest, &mC);
+}
+

modules/acore/framework/Cryptography/SHA1.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUTH_SHA1_H
+#define _AUTH_SHA1_H
+
+#include "Define.h"
+#include <string>
+#include <openssl/sha.h>
+
+class BigNumber;
+
+class SHA1Hash
+{
+    public:
+        SHA1Hash();
+        ~SHA1Hash();
+
+        void UpdateBigNumbers(BigNumber* bn0, ...);
+
+        void UpdateData(const uint8 *dta, int len);
+        void UpdateData(const std::string &str);
+
+        void Initialize();
+        void Finalize();
+
+        uint8 *GetDigest(void) { return mDigest; };
+        int GetLength(void) const { return SHA_DIGEST_LENGTH; };
+
+    private:
+        SHA_CTX mC;
+        uint8 mDigest[SHA_DIGEST_LENGTH];
+};
+#endif
+

modules/acore/framework/Cryptography/WardenKeyGeneration.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SHA1.h"
+
+#ifndef _WARDEN_KEY_GENERATION_H
+#define _WARDEN_KEY_GENERATION_H
+
+class SHA1Randx
+{
+public:
+    SHA1Randx(uint8* buff, uint32 size)
+    {
+        uint32 taken = size/2;
+
+        sh.Initialize();
+        sh.UpdateData(buff, taken);
+        sh.Finalize();
+
+        memcpy(o1, sh.GetDigest(), 20);
+
+        sh.Initialize();
+        sh.UpdateData(buff + taken, size - taken);
+        sh.Finalize();
+
+        memcpy(o2, sh.GetDigest(), 20);
+
+        memset(o0, 0x00, 20);
+
+        FillUp();
+    }
+
+    void Generate(uint8* buf, uint32 sz)
+    {
+        for (uint32 i = 0; i < sz; ++i)
+        {
+            if (taken == 20)
+                FillUp();
+
+            buf[i] = o0[taken];
+            taken++;
+        }
+    }
+
+private:
+    void FillUp()
+    {
+        sh.Initialize();
+        sh.UpdateData(o1, 20);
+        sh.UpdateData(o0, 20);
+        sh.UpdateData(o2, 20);
+        sh.Finalize();
+
+        memcpy(o0, sh.GetDigest(), 20);
+
+        taken = 0;
+    }
+
+    SHA1Hash sh;
+    uint32 taken;
+    uint8 o0[20], o1[20], o2[20];
+};
+
+#endif