ecdsatool: init at 0.0.1

Added `ecdsatool`, used for ECC NISTP256 keypairs.
This tool is distinct from the similarly names `ecdsautils`.

pkgs/tools/security/default.nix

@@ -0,0 +1,28 @@
+{ stdenv, pkgs }:
+
+stdenv.mkDerivation rec {
+  version = "0.0.1";
+  name = "ecdsatool-${version}";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "kaniini";
+    repo = "ecdsatool";
+    rev = "7c0b2c51e2e64d1986ab1dc2c57c2d895cc00ed1";
+    sha256 = "08z9309znkhrjpwqd4ygvm7cd1ha1qbrnlzw64fr8704jrmx762k";
+  };
+
+  configurePhase = ''
+    ./autogen.sh
+    ./configure --prefix=$out
+  '';
+
+  nativeBuildInputs = with pkgs; [openssl autoconf automake];
+  buildInputs = with pkgs; [libuecc];
+
+  meta = with stdenv.lib; {
+    description = "Create and manipulate ECC NISTP256 keypairs.";
+    homepage = https://github.com/kaniini/ecdsatool/;
+    license = with licenses; [free];
+    platforms = platforms.unix;
+  };
+}