Tidied up example/static test executables

GCryptLib/exec/visualize-hashing-distribution.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+#include <GCrypt/GHash.h>
+#include <BmpPP/Bmp.h>
+#include "Visualize.h"
+
+const std::string execName = "visualize-hashing-distribution";
+
+using namespace Leonetienne::GCrypt;
+using namespace Leonetienne::BmpPP;
+using namespace Leonetienne::Eule;
+
+void HashAndVisualize(const Block& b, const std::string filename) {
+  GHash hasher;
+  hasher.DigestBlock(b);
+  VisualizeBlock(hasher.GetHashsum(), filename);
+}
+
+int main() {
+
+  // Get some random input
+  Block a;
+  a.FromTextString("Hello, World :3");
+  VisualizeBlock(a, execName+"-input-a.bmp");
+  HashAndVisualize(a, execName+"-output-a.bmp");
+
+  // Now flip a bit
+  Block b = a;
+  b.FlipBit(4);
+  VisualizeBlock(b, execName+"-input-b.bmp");
+  HashAndVisualize(b, execName+"-output-b.bmp");
+
+  return 0;
+}
+