Using TC structure allowing easier patches importing

src/common/Cryptography/SHA1.cpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#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);
+}
+