Initial import of libdpf.

Co-authored-by: Cursor <cursoragent@cursor.com>

thirdparty/hash-library/tests/github-issue6.cpp

@@ -0,0 +1,16 @@
+// minimal test case for https://github.com/stbrumme/hash-library/issues/6
+// g++ github-issue6.cpp ../sha3.cpp -o github-issue6 && ./github-issue6
+
+#include "../sha3.h"
+#include <iostream>
+
+int main(int argc, char *argv[])
+{
+  std::string text = "72a5f501151ca974002f34";
+
+  SHA3 hasher(SHA3::Bits512);
+  hasher.add(text.data(), text.size());
+  std::cout << hasher.getHash() << std::endl;
+
+  return 0;
+}