HWBTutorials.code-workspace

@@ -11,17 +11,13 @@
             "name": "AES",
             "path": "./aes"
         },
-        {
-            "name": "AES Performance",
-            "path": "./aes-performance"
-        },
         {
             "name": "AES 32-bit",
-            "path": "./aes-performance/aes-32bit"
+            "path": "./aes-32bit"
         },
         {
             "name": "AES TBoxes",
-            "path": "./aes-performance/aes-tboxes"
+            "path": "./aes-tboxes"
         },
         {
             "name": "TRNG Attack",

aes-32bit/Makefile

@@ -1,4 +1,4 @@
-CPPFLAGS ?= -Ofast
+CPPFLAGS = -g -Ofast
 
 BUILD_DIR = bin
 

aes-performance/README.md

@@ -1,8 +0,0 @@
-# Performant AES Implementation
-
-| Variant      | Time for 1 mio. Iterations | Time for 10 mio. Iterations | Processor      | OS                | Compiler | Compiler Switches |
-| ------------ | -------------------------- | --------------------------- | -------------- | ----------------- | -------- | ----------------- |
-| `aes-32bit`  | 3163ms                     | 4632ms                      | Intel i7-8650U | Arch Linux x86_64 | `gcc`    | `-g`              |
-| `aes-32bit`  | 482ms                      | 5152ms                      | Intel i7-8650U | Arch Linux x86_64 | `gcc`    | `-Ofast`          |
-| `aes-tboxes` | 203ms                      | 1708ms                      | Intel i7-8650U | Arch Linux x86_64 | `gcc`    | `-g`              |
-| `aes-tboxes` | 148ms                      | 1600ms                      | Intel i7-8650U | Arch Linux x86_64 | `gcc`    | `-Ofast`          |

aes-performance/measure.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-dir="${BASH_SOURCE%/*}";
-
-for program in "aes-32bit" "aes-tboxes"
-do
-    for flags in "-g" ""
-    do
-        if [ -z "$flags" ]
-        then
-            mode="performance";
-        else
-            mode="debug";
-            export CPPFLAGS="$flags";
-        fi;
-
-        for iterations in "1000000" "10000000"
-        do
-            echo "$program ($iterations iterations, $mode mode)";
-            root="$dir/$program";
-            make -C "$root" clean > /dev/null 2>&1;
-            make -C "$root" > /dev/null 2>&1;
-            "$dir/$program/bin/aes" "$iterations";
-            unset CPPFLAGS;
-        done;
-    done;
-done;

aes-tboxes/Makefile

@@ -1,4 +1,4 @@
-CPPFLAGS = -Ofast
+CPPFLAGS = -g -Ofast
 
 BUILD_DIR = bin
 

aes-tboxes/aes.cpp

@@ -214,5 +214,6 @@ int main(int argc, char* argv[])
  
     std::cout << "AES (" << cycles  << " runs)\nElapsed time: ";
     std::cout << milliseconds << "ms\n"; // Before C++20
+    std::cout << "Last result: " << in << "\n";
     exit(in[0]);
 }