feat: agent with keygen

default.nix

@@ -0,0 +1,58 @@
+{ pkgs ? import <nixpkgs> { } }:
+with pkgs;
+let
+  jasmin-src = fetchFromGitHub {
+    owner = "jasmin-lang";
+    repo = "jasmin";
+    rev = "4d42c212b924ad7553c2eab49d337fd128ad629b";
+    hash = "sha256-Ve9Eezpvi1wynlqQxO4KDSqw13MDXQmR8NjOS3PHWzg=";
+  };
+
+  jasmin-drv = callPackage "${jasmin-src}/default.nix" { inherit pkgs; };
+  jasmin = jasmin-drv.overrideAttrs {
+    name = "jasmin with syscalls";
+    buildPhase = ''
+      make -C compiler/ CIL
+      make -C compiler/
+    '';
+  };
+
+  libjade = stdenvNoCC.mkDerivation rec {
+    name = "libjade-src";
+    version = "2023.05-2";
+
+    src = fetchzip {
+      url = "https://github.com/formosa-crypto/libjade/releases/download/release%2F${version}/libjade-dist-src-amd64.tar.gz";
+      hash = "sha256-IWLMWExvdZ++V3a9zX0a9xjSDgOA98h3sSmLOj8hKPE=";
+    };
+
+    buildPhase = ''
+      mkdir -p $out
+      cp -r $src/libjade $out
+      chmod -R u+w $out
+      sed -i '/#randombytes/c\' $out/libjade/crypto_kem/kyber_kyber768_avx2/kyber_kyber768_avx2.jazz
+      sed -i 's/#\[returnaddress="stack"\]/#\[returnaddress="mmx"\]/g' $out/libjade/crypto_kem/kyber_kyber768_avx2/kyber_kyber768_avx2.jazz
+    '';
+  };
+in
+stdenv.mkDerivation {
+  name = "mlkem-agent";
+  src = nix-gitignore.gitignoreSource [ ] ./.;
+
+  nativeBuildInputs = [
+    gnumake
+    gcc
+    jasmin
+  ];
+
+  configurePhase = ''
+    mkdir build
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib
+    cp build/libagent.a $out/lib
+  '';
+
+  JASMINPATH = "Jade=${libjade}/libjade/";
+}