imports/imhex
1
0
Fork 0
mirror of https://github.com/WerWolv/ImHex.git synced 2026-03-30 05:05:19 -05:00
Code Issues Packages Projects Releases Wiki Activity

Implemented hash view with CRC16, CRC32 and MD5 support

Browse Source 
More to come
This commit is contained in:
WerWolv
2020-11-11 00:13:09 +01:00
parent 72c602ca55
commit c87bc6aebe
6 changed files with 291 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

107
source/views/view_hashes.cpp Normal file
View File

@@ -0,0 +1,107 @@
#include "views/view_hashes.hpp"
#include "utils.hpp"
#include <vector>
namespace hex {
ViewHashes::ViewHashes(FILE* &file) : View(), m_file(file) {
}
ViewHashes::~ViewHashes() {
}
void ViewHashes::createView() {
if (!this->m_windowOpen)
return;
if (ImGui::Begin("Hashing", &this->m_windowOpen)) {
ImGui::BeginChild("##scrolling", ImVec2(0, 0), false, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoNav);
ImGui::NewLine();
ImGui::Combo("Hash Function", &this->m_currHashFunction, HashFunctionNames, sizeof(HashFunctionNames) / sizeof(const char*));
ImGui::NewLine();
ImGui::Separator();
ImGui::NewLine();
ImGui::InputInt("Begin", &this->m_hashStart, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::InputInt("End", &this->m_hashEnd, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::NewLine();
ImGui::Separator();
ImGui::NewLine();
switch (this->m_currHashFunction) {
case 0: // CRC16
{
if (this->m_file == nullptr)
break;
std::vector<u8> buffer(this->m_hashEnd - this->m_hashStart + 1, 0x00);
fseek(this->m_file, this->m_hashStart, SEEK_SET);
fread(buffer.data(), 1, buffer.size(), this->m_file);
static int polynomial = 0, init = 0;
ImGui::InputInt("Initial Value", &init, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::InputInt("Polynomial", &polynomial, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::NewLine();
ImGui::Separator();
ImGui::NewLine();
ImGui::LabelText("Result", "%X", crc16(buffer.data(), buffer.size(), polynomial, init));
}
break;
case 1: // CRC32
{
if (this->m_file == nullptr)
break;
std::vector<u8> buffer(this->m_hashEnd - this->m_hashStart + 1, 0x00);
fseek(this->m_file, this->m_hashStart, SEEK_SET);
fread(buffer.data(), 1, buffer.size(), this->m_file);
static int polynomial = 0, init = 0;
ImGui::InputInt("Initial Value", &init, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::InputInt("Polynomial", &polynomial, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::NewLine();
ImGui::Separator();
ImGui::NewLine();
ImGui::LabelText("Result", "%X", crc32(buffer.data(), buffer.size(), polynomial, init));
}
break;
case 2: // MD5
{
if (this->m_file == nullptr)
break;
std::vector<u8> buffer(this->m_hashEnd - this->m_hashStart + 1, 0x00);
fseek(this->m_file, this->m_hashStart, SEEK_SET);
fread(buffer.data(), 1, buffer.size(), this->m_file);
auto result = md5(buffer.data(), buffer.size());
ImGui::LabelText("Result", "%08X%08X%08X%08X", __builtin_bswap32(result[0]), __builtin_bswap32(result[1]), __builtin_bswap32(result[2]), __builtin_bswap32(result[3]));
}
break;
}
ImGui::EndChild();
ImGui::End();
}
}
void ViewHashes::createMenu() {
if (ImGui::BeginMenu("Window")) {
ImGui::MenuItem("Hash View", "", &this->m_windowOpen);
ImGui::EndMenu();
}
}
}