1 files changed, 31 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/security/b2sum/default.nix b/nixpkgs/pkgs/tools/security/b2sum/default.nix
new file mode 100644
index 000000000000..bf415e7554e6
--- /dev/null
+++ b/nixpkgs/pkgs/tools/security/b2sum/default.nix
@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, openmp ? null }:
+
+with lib;
+
+stdenv.mkDerivation {
+  pname = "b2sum";
+  version = "unstable-2018-06-11";
+
+  src = fetchFromGitHub {
+    owner = "BLAKE2";
+    repo = "BLAKE2";
+    rev = "320c325437539ae91091ce62efec1913cd8093c2";
+    sha256 = "E60M9oP/Sdfg/L3ZxUcDtUXhFz9oP72IybdtVUJh9Sk=";
+  };
+
+  sourceRoot = "source/b2sum";
+
+  buildInputs = [ openmp ];
+
+  buildFlags = [ (optional (openmp == null) "NO_OPENMP=1") ];
+  installFlags = [ "PREFIX=$(out)" ];
+
+  meta = {
+    description = "The b2sum utility is similar to the md5sum or shasum utilities but for BLAKE2";
+    homepage = "https://blake2.net";
+    license = with licenses; [ asl20 cc0 openssl ];
+    maintainers = with maintainers; [ kirelagin ];
+    # "This code requires at least SSE2."
+    platforms = with platforms; [ "x86_64-linux" "i686-linux" ] ++ darwin;
+  };
+}