push sheeet

pkgs/development/ocaml-modules/hkdf/default.nix

@@ -0,0 +1,34 @@
+{
+  lib,
+  buildDunePackage,
+  fetchurl,
+  digestif,
+  alcotest,
+  ohex,
+}:
+
+buildDunePackage rec {
+  pname = "hkdf";
+  version = "2.0.0";
+
+  minimalOCamlVersion = "4.08";
+
+  src = fetchurl {
+    url = "https://github.com/hannesm/ocaml-${pname}/releases/download/v${version}/${pname}-${version}.tbz";
+    hash = "sha256-VLBxJ5viTTn1nK0QNIAGq/8961x0/RGHZN/C/7ITWNM=";
+  };
+
+  propagatedBuildInputs = [ digestif ];
+  checkInputs = [
+    alcotest
+    ohex
+  ];
+  doCheck = true;
+
+  meta = with lib; {
+    description = "HMAC-based Extract-and-Expand Key Derivation Function (RFC 5869)";
+    homepage = "https://github.com/hannesm/ocaml-hkdf";
+    license = licenses.mit;
+    maintainers = with maintainers; [ sternenseemann ];
+  };
+}