1 files changed, 0 insertions, 111 deletions
diff --git a/tools/pe_bliss/entropy.cpp b/tools/pe_bliss/entropy.cpp
deleted file mode 100644
index acefa63e83..0000000000
--- a/tools/pe_bliss/entropy.cpp
+++ /dev/null
@@ -1,111 +0,0 @@
-/*************************************************************************/
-/* Copyright (c) 2015 dx, http://kaimi.ru                                */
-/*                                                                       */
-/* Permission is hereby granted, free of charge, to any person           */
-/* obtaining a copy of this software and associated documentation        */
-/* files (the "Software"), to deal in the Software without               */
-/* restriction, including without limitation the rights to use,          */
-/* copy, modify, merge, publish, distribute, sublicense, and/or          */
-/* sell copies of the Software, and to permit persons to whom the        */
-/* Software is furnished to do so, subject to the following conditions:  */
-/* The above copyright notice and this permission notice shall be        */
-/* included in all copies or substantial portions of the Software.       */
-/*                                                                       */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
-/*************************************************************************/
-#include <cmath>
-#include "entropy.h"
-#include "utils.h"
-
-namespace pe_bliss
-{
-//Calculates entropy for PE image section
-double entropy_calculator::calculate_entropy(const section& s)
-{
-	if(s.get_raw_data().empty()) //Don't count entropy for empty sections
-		throw pe_exception("Section is empty", pe_exception::section_is_empty);
-
-	return calculate_entropy(s.get_raw_data().data(), s.get_raw_data().length());
-}
-
-//Calculates entropy for istream (from current position of stream)
-double entropy_calculator::calculate_entropy(std::istream& file)
-{
-	uint32_t byte_count[256] = {0}; //Byte count for each of 255 bytes
-
-	if(file.bad())
-		throw pe_exception("Stream is bad", pe_exception::stream_is_bad);
-
-	std::streamoff pos = file.tellg();
-
-	std::streamoff length = pe_utils::get_file_size(file);
-	length -= file.tellg();
-
-	if(!length) //Don't calculate entropy for empty buffers
-		throw pe_exception("Data length is zero", pe_exception::data_is_empty);
-
-	//Count bytes
-	for(std::streamoff i = 0; i != length; ++i)
-		++byte_count[static_cast<unsigned char>(file.get())];
-
-	file.seekg(pos);
-
-	return calculate_entropy(byte_count, length);
-}
-
-//Calculates entropy for data block
-double entropy_calculator::calculate_entropy(const char* data, size_t length)
-{
-	uint32_t byte_count[256] = {0}; //Byte count for each of 255 bytes
-
-	if(!length) //Don't calculate entropy for empty buffers
-		throw pe_exception("Data length is zero", pe_exception::data_is_empty);
-
-	//Count bytes
-	for(size_t i = 0; i != length; ++i)
-		++byte_count[static_cast<unsigned char>(data[i])];
-
-	return calculate_entropy(byte_count, length);
-}
-
-//Calculates entropy for this PE file (only section data)
-double entropy_calculator::calculate_entropy(const pe_base& pe)
-{
-	uint32_t byte_count[256] = {0}; //Byte count for each of 255 bytes
-
-	size_t total_data_length = 0;
-
-	//Count bytes for each section
-	for(section_list::const_iterator it = pe.get_image_sections().begin(); it != pe.get_image_sections().end(); ++it)
-	{
-		const std::string& data = (*it).get_raw_data();
-		size_t length = data.length();
-		total_data_length += length;
-		for(size_t i = 0; i != length; ++i)
-			++byte_count[static_cast<unsigned char>(data[i])];
-	}
-
-	return calculate_entropy(byte_count, total_data_length);
-}
-
-//Calculates entropy from bytes count
-double entropy_calculator::calculate_entropy(const uint32_t byte_count[256], std::streamoff total_length)
-{
-	double entropy = 0.; //Entropy result value
-	//Calculate entropy
-	for(uint32_t i = 0; i < 256; ++i)
-	{
-		double temp = static_cast<double>(byte_count[i]) / total_length;
-		if(temp > 0.)
-			entropy += std::abs(temp * (std::log(temp) * pe_utils::log_2));
-	}
-
-	return entropy;
-}
-}