From 4fc1abe8cbe2634b3e2186882b68c2e362c071c5 Mon Sep 17 00:00:00 2001
From: David Skoland <davidskoland@gmail.com>
Date: Thu, 5 Jan 2017 22:17:36 +0100
Subject: [PATCH] not going to list all the things i did

---
 encryption_functions.cpp |  0
 encryption_functions.h   |  4 ++
 hex_functions.cpp        | 83 ++++++++++++++++++++++++++++++++++++++++
 hex_functions.h          | 14 +++++++
 4 files changed, 101 insertions(+)
 create mode 100644 encryption_functions.cpp
 create mode 100644 encryption_functions.h
 create mode 100644 hex_functions.cpp
 create mode 100644 hex_functions.h

diff --git a/encryption_functions.cpp b/encryption_functions.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/encryption_functions.h b/encryption_functions.h
new file mode 100644
index 0000000..0a9cf2e
--- /dev/null
+++ b/encryption_functions.h
@@ -0,0 +1,4 @@
+#ifndef ENCRYPTION_FUNCTIONS_H
+#define ENCRYPTION_FUNCTIONS_H
+
+#endif // ENCRYPTION_FUNCTIONS_H
diff --git a/hex_functions.cpp b/hex_functions.cpp
new file mode 100644
index 0000000..9b1222e
--- /dev/null
+++ b/hex_functions.cpp
@@ -0,0 +1,83 @@
+//WELCOME TO THE EXTREME GHETTO HEX CONVERSION KLUDGE BECAUSE I COULDNT MAKE ANYTHING ELSE WORK
+
+#include "hex_operations.h"
+
+namespace omni
+{
+  char halfword_to_hex_char(unsigned int input)
+  {
+    if (input > 127)
+      return 'F';
+
+    switch (input)
+    {
+    case 0:
+      return '0';
+    case 1:
+      return '1';
+    case 2:
+      return '2';
+    case 3:
+      return '3';
+    case 4:
+      return '4';
+    case 5:
+      return '5';
+    case 6:
+      return '6';
+    case 7:
+      return '7';
+    case 8:
+      return '8';
+    case 9:
+      return '9';
+    case 10:
+      return 'A';
+    case 11:
+      return 'B';
+    case 12:
+      return 'C';
+    case 13:
+      return 'D';
+    case 14:
+      return 'E';
+    case 15:
+      return 'F';
+    default:
+      return 'F';
+    }
+  }
+
+  std::string int_to_hex(unsigned int input)
+  {
+    if (input > 255)
+      return "FF";
+
+    std::bitset<8> whole_byte(input);
+    //240 represents 11110000, our needed bitmask
+    uint8_t left_mask_int = 240;
+    std::bitset<8> left_mask(left_mask_int);
+    std::bitset<8> left_halfword((whole_byte & left_mask) >> 4);
+    //likewise, 15 represents 00001111
+    uint8_t right_mask_int = 15;
+    std::bitset<8> right_mask(right_mask_int);
+    std::bitset<8> right_halfword((whole_byte & right_mask));
+
+    unsigned int left = left_halfword.to_ulong();
+    unsigned int right = right_halfword.to_ulong();
+
+    //std::cout << "now have have " << left << " and " << right << '\n';
+
+    char a = halfword_to_hex_char(left);
+    char b = halfword_to_hex_char(right);
+
+    std::string left_string(1, a);
+    std::string right_string(1, b);
+
+    std::string final_byte = left_string + right_string;
+
+    //std::string final_byte = halfword_to_hex_char(left) + "" + halfword_to_hex_char(right);
+
+    return final_byte;
+  }
+} //namespace omni
diff --git a/hex_functions.h b/hex_functions.h
new file mode 100644
index 0000000..47d9466
--- /dev/null
+++ b/hex_functions.h
@@ -0,0 +1,14 @@
+#ifndef HEX_OPERATIONS_H
+#define HEX_OPERATIONS_H
+
+#include <bitset>
+#include <cstdint>
+#include <iostream>
+
+namespace omni
+{
+  char halfword_to_hex_char(unsigned int input);
+  std::string int_to_hex(unsigned int input);
+}
+
+#endif //HEX_OPERATIONS_H