Initial import of libdpf.

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

thirdparty/hash-library/tests/github-issue2.cpp

@@ -0,0 +1,64 @@
+// minimal test case for https://github.com/stbrumme/hash-library/issues/2
+// g++ github-issue2.cpp ../sha*.cpp ../keccak.cpp ../md5.cpp -o github-issue2 && ./github-issue2
+
+#include "../sha1.h"
+#include "../sha256.h"
+#include "../sha3.h"
+#include "../keccak.h"
+#include "../md5.h"
+#include <iostream>
+
+int main()
+{
+  std::string text = "hello world";
+
+  std::cout << "SHA1:" << std::endl;
+  SHA1 sha1;
+  sha1.add(text.c_str(), text.size());
+
+  std::cout << sha1.getHash() << std::endl;
+  std::cout << sha1.getHash() << std::endl;
+  std::cout << sha1.getHash() << std::endl;
+
+  std::cout << std::endl;
+
+  std::cout << "SHA256:" << std::endl;
+  SHA256 sha256;
+  sha256.add(text.c_str(), text.size());
+
+  std::cout << sha256.getHash() << std::endl;
+  std::cout << sha256.getHash() << std::endl;
+  std::cout << sha256.getHash() << std::endl;
+
+  std::cout << std::endl;
+
+  std::cout << "SHA3:" << std::endl;
+  SHA3 sha3;
+  sha3.add(text.c_str(), text.size());
+
+  std::cout << sha3.getHash() << std::endl;
+  std::cout << sha3.getHash() << std::endl;
+  std::cout << sha3.getHash() << std::endl;
+
+  std::cout << std::endl;
+
+  std::cout << "Keccak:" << std::endl;
+  Keccak keccak;
+  keccak.add(text.c_str(), text.size());
+
+  std::cout << keccak.getHash() << std::endl;
+  std::cout << keccak.getHash() << std::endl;
+  std::cout << keccak.getHash() << std::endl;
+
+  std::cout << std::endl;
+
+  std::cout << "MD5:" << std::endl;
+  MD5 md5;
+  md5.add(text.c_str(), text.size());
+
+  std::cout << md5.getHash() << std::endl;
+  std::cout << md5.getHash() << std::endl;
+  std::cout << md5.getHash() << std::endl;
+
+  return 0;
+}