diff --git a/pkgs/tools/security/aesfix/default.nix b/pkgs/tools/security/aesfix/default.nix
new file mode 100644
index 000000000000..b2eb2e0e96ca
--- /dev/null
+++ b/pkgs/tools/security/aesfix/default.nix
@@ -0,0 +1,26 @@
+{ lib
+, stdenv
+, fetchurl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "aesfix";
+  version = "1.0.1";
+
+  src = fetchurl {
+    url = "https://citpsite.s3.amazonaws.com/memory-content/src/aesfix-${version}.tar.gz";
+    sha256 = "sha256-exd+h2yu5qrkjwEjEC8R32WUpzhIP5pH8sdv6BzARdQ=";
+  };
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp aesfix $out/bin
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Correct bit errors in an AES key schedules";
+    homepage = "https://citp.princeton.edu/our-work/memory/";
+    maintainers = with maintainers; [ fedx-sudo ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7f0df4384763..169717737aeb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -188,6 +188,8 @@ with pkgs;
 
   aocd = with python3Packages; toPythonApplication aocd;
 
+  aesfix = callPackage ../tools/security/aesfix { };
+
   astrolog = callPackage ../applications/science/astronomy/astrolog { };
 
   atkinson-hyperlegible = callPackage ../data/fonts/atkinson-hyperlegible { };