Rename source to module.

module/Vendor/Hash/include/sha1.h

@@ -0,0 +1,78 @@
+// //////////////////////////////////////////////////////////
+// sha1.h
+// Copyright (c) 2014,2015 Stephan Brumme. All rights reserved.
+// see http://create.stephan-brumme.com/disclaimer.html
+//
+
+#pragma once
+
+//#include "hash.h"
+#include <string>
+
+// define fixed size integer types
+#ifdef _MSC_VER
+// Windows
+typedef unsigned __int8  uint8_t;
+typedef unsigned __int32 uint32_t;
+typedef unsigned __int64 uint64_t;
+#else
+// GCC
+#include <stdint.h>
+#endif
+
+
+/// compute SHA1 hash
+/** Usage:
+    SHA1 sha1;
+    std::string myHash  = sha1("Hello World");     // std::string
+    std::string myHash2 = sha1("How are you", 11); // arbitrary data, 11 bytes
+
+    // or in a streaming fashion:
+
+    SHA1 sha1;
+    while (more data available)
+      sha1.add(pointer to fresh data, number of new bytes);
+    std::string myHash3 = sha1.getHash();
+  */
+class SHA1 //: public Hash
+{
+public:
+  /// split into 64 byte blocks (=> 512 bits), hash is 20 bytes long
+  enum { BlockSize = 512 / 8, HashBytes = 20 };
+
+  /// same as reset()
+  SHA1();
+
+  /// compute SHA1 of a memory block
+  std::string operator()(const void* data, size_t numBytes);
+  /// compute SHA1 of a string, excluding final zero
+  std::string operator()(const std::string& text);
+
+  /// add arbitrary number of bytes
+  void add(const void* data, size_t numBytes);
+
+  /// return latest hash as 40 hex characters
+  std::string getHash();
+  /// return latest hash as bytes
+  void        getHash(unsigned char buffer[HashBytes]);
+
+  /// restart
+  void reset();
+
+private:
+  /// process 64 bytes
+  void processBlock(const void* data);
+  /// process everything left in the internal buffer
+  void processBuffer();
+
+  /// size of processed data in bytes
+  uint64_t m_numBytes;
+  /// valid bytes in m_buffer
+  size_t   m_bufferSize;
+  /// bytes not processed yet
+  uint8_t  m_buffer[BlockSize];
+
+  enum { HashValues = HashBytes / 4 };
+  /// hash, stored as integers
+  uint32_t m_hash[HashValues];
+};