diff --git a/pkgs/development/python-modules/crysp/default.nix b/pkgs/development/python-modules/crysp/default.nix
new file mode 100644
index 000000000000..34f5d2c2f35c
--- /dev/null
+++ b/pkgs/development/python-modules/crysp/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, grandalf
+, matplotlib
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "crysp";
+  version = "1.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "bdcht";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-51SKS6OOXIFT1L3YICR6a4QGSz/rbB8V+Z0u0jMO474=";
+  };
+
+  propagatedBuildInputs = [
+    grandalf
+    matplotlib
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "'pytest-runner'," ""
+  '';
+
+  pythonImportsCheck = [
+    "crysp"
+  ];
+
+  meta = with lib; {
+    description = "Module that provides crypto-related facilities";
+    homepage = "https://github.com/bdcht/crysp";
+    license = with licenses; [ gpl2Only ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 756545bb54c3..993b372f9d0c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2143,6 +2143,8 @@ in {
 
   cryptoparser = callPackage ../development/python-modules/cryptoparser { };
 
+  crysp = callPackage ../development/python-modules/crysp { };
+
   crytic-compile = callPackage ../development/python-modules/crytic-compile { };
 
   csrmesh  = callPackage ../development/python-modules/csrmesh { };