1 files changed, 30 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/security/hash_extender/default.nix b/nixpkgs/pkgs/tools/security/hash_extender/default.nix
new file mode 100644
index 000000000000..5bda599f0f0c
--- /dev/null
+++ b/nixpkgs/pkgs/tools/security/hash_extender/default.nix
@@ -0,0 +1,30 @@
+{ stdenv, fetchFromGitHub, openssl }:
+
+stdenv.mkDerivation {
+  pname = "hash_extender";
+  version = "unstable-2020-03-24";
+
+  src = fetchFromGitHub {
+    owner = "iagox86";
+    repo = "hash_extender";
+    rev = "cb8aaee49f93e9c0d2f03eb3cafb429c9eed723d";
+    sha256 = "1fj118566hr1wv03az2w0iqknazsqqkak0mvlcvwpgr6midjqi9b";
+  };
+
+  buildInputs = [ openssl ];
+
+  doCheck = true;
+  checkPhase = "./hash_extender --test";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp hash_extender $out/bin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Tool to automate hash length extension attacks";
+    homepage = "https://github.com/iagox86/hash_extender";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ geistesk ];
+  };
+}