diff --git a/pkgs/by-name/c-/c-siphash/package.nix b/pkgs/by-name/c-/c-siphash/package.nix
new file mode 100644
index 000000000000..442d863c710c
--- /dev/null
+++ b/pkgs/by-name/c-/c-siphash/package.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  meson,
+  pkg-config,
+  ninja,
+  c-stdaux,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "c-siphash";
+  version = "1.1.0";
+
+  src = fetchFromGitHub {
+    owner = "c-util";
+    repo = "c-siphash";
+    tag = "v${version}";
+    hash = "sha256-S5eAlLR6p0Tpd6aYPGGGOH1sCGOyflVyhICi2pYt/8U=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    pkg-config
+    ninja
+  ];
+
+  propagatedBuildInputs = [ c-stdaux ];
+
+  doCheck = true;
+
+  meta = {
+    homepage = "https://github.com/c-util/c-siphash";
+    description = "Streaming-capable SipHash Implementation";
+    changelog = "https://github.com/c-util/c-siphash/releases/tag/${src.tag}";
+    license = with lib.licenses; [
+      asl20
+      lgpl2Plus
+    ];
+    maintainers = with lib.maintainers; [ qbisi ];
+  };
+}
diff --git a/pkgs/by-name/c-/c-stdaux/package.nix b/pkgs/by-name/c-/c-stdaux/package.nix
new file mode 100644
index 000000000000..6f77d3486207
--- /dev/null
+++ b/pkgs/by-name/c-/c-stdaux/package.nix
@@ -0,0 +1,39 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  meson,
+  ninja,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "c-stdaux";
+  version = "1.5.0";
+
+  src = fetchFromGitHub {
+    owner = "c-util";
+    repo = "c-stdaux";
+    tag = "v${version}";
+    hash = "sha256-MsnuEyVCmOIr/q6I1qyPsNXp48jxIEcXoYLHbOAZtW0=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+  ];
+
+  # Assertion failed: (false && "!__builtin_constant_p(c_align_to(16, non_constant_expr ? 8 : 16))"),
+  # function test_basic_gnuc, file ../src/test-basic.c, line 548.
+  doCheck = !stdenv.hostPlatform.isDarwin;
+
+  meta = {
+    homepage = "https://github.com/c-util/c-stdaux";
+    description = "Auxiliary macros and functions for the C standard library";
+    changelog = "https://github.com/c-util/c-stdaux/releases/tag/${src.tag}";
+    license = with lib.licenses; [
+      asl20
+      lgpl2Plus
+    ];
+    maintainers = with lib.maintainers; [ qbisi ];
+  };
+}
diff --git a/pkgs/development/python-modules/pytools/default.nix b/pkgs/development/python-modules/pytools/default.nix
index af359bda26b2..def5b583843a 100644
--- a/pkgs/development/python-modules/pytools/default.nix
+++ b/pkgs/development/python-modules/pytools/default.nix
@@ -8,6 +8,7 @@
   pytestCheckHook,
   pythonOlder,
   typing-extensions,
+  siphash24,
 }:
 
 buildPythonPackage rec {
@@ -31,10 +32,12 @@ buildPythonPackage rec {
 
   optional-dependencies = {
     numpy = [ numpy ];
-    # siphash = [ siphash ];
+    siphash = [ siphash24 ];
   };
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytestCheckHook
+  ] ++ optional-dependencies.siphash;
 
   pythonImportsCheck = [
     "pytools"
@@ -42,14 +45,6 @@ buildPythonPackage rec {
     "pytools.lex"
   ];
 
-  disabledTests = [
-    # siphash is not available
-    "test_class_hashing"
-    "test_dataclass_hashing"
-    "test_datetime_hashing"
-    "test_hash_function"
-  ];
-
   meta = {
     description = "Miscellaneous Python lifesavers";
     homepage = "https://github.com/inducer/pytools/";
diff --git a/pkgs/development/python-modules/siphash24/default.nix b/pkgs/development/python-modules/siphash24/default.nix
new file mode 100644
index 000000000000..f700a76b6123
--- /dev/null
+++ b/pkgs/development/python-modules/siphash24/default.nix
@@ -0,0 +1,52 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildPythonPackage,
+  meson,
+  meson-python,
+  cython,
+  pkg-config,
+  c-siphash,
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  version = "1.7";
+  pname = "siphash24";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "dnicolodi";
+    repo = "python-siphash24";
+    tag = "v${version}";
+    hash = "sha256-/7XrRD4e7jLTUY/8mBbJ4dSo5P6pj8GRpSreIOZpKp0=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  build-system = [
+    meson
+    meson-python
+    cython
+  ];
+
+  buildInputs = [
+    c-siphash
+  ];
+
+  pythonImportsCheck = [
+    "siphash24"
+  ];
+
+  pytestFlagsArray = [ "test.py" ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  meta = {
+    homepage = "https://github.com/dnicolodi/python-siphash24";
+    description = "Streaming-capable SipHash Implementation";
+    changelog = "https://github.com/dnicolodi/python-siphash24/releases/tag/${src.tag}";
+    license = lib.licenses.lgpl2Plus;
+    maintainers = with lib.maintainers; [ qbisi ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4fa0bfbef30d..47139152dd09 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15265,10 +15265,12 @@ self: super: with self; {
 
   sip = callPackage ../development/python-modules/sip { };
 
-  siphashc = callPackage ../development/python-modules/siphashc { };
-
   sip4 = callPackage ../development/python-modules/sip/4.x.nix { };
 
+  siphash24 = callPackage ../development/python-modules/siphash24 { };
+
+  siphashc = callPackage ../development/python-modules/siphashc { };
+
   sipyco = callPackage ../development/python-modules/sipyco { };
 
   sirius = toPythonModule (pkgs.sirius.override {