4 files changed, 130 insertions, 0 deletions
diff --git a/vcpkg/ports/seal/fix-hexl.patch b/vcpkg/ports/seal/fix-hexl.patch
new file mode 100644
index 0000000..ddc797d
--- /dev/null
+++ b/vcpkg/ports/seal/fix-hexl.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index edf69a3..e64672e 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -223,7 +223,7 @@ if(SEAL_USE_INTEL_HEXL)
+         message(STATUS "Intel HEXL: download ...")
+         seal_fetch_thirdparty_content(ExternalIntelHEXL)
+     else()
+-        find_package(HEXL 1.2.4)
++        find_package(HEXL CONFIG REQUIRED)
+         if (NOT TARGET HEXL::hexl)
+             message(FATAL_ERROR "Intel HEXL: not found")
+         endif()
diff --git a/vcpkg/ports/seal/portfile.cmake b/vcpkg/ports/seal/portfile.cmake
new file mode 100644
index 0000000..5ecd182
--- /dev/null
+++ b/vcpkg/ports/seal/portfile.cmake
@@ -0,0 +1,53 @@
+if(VCPKG_TARGET_IS_WINDOWS)
+    vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+endif()
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO microsoft/SEAL
+    REF "v${VERSION}"
+    SHA512 8e97e8106ae2eeceee743634b0db1936b3a3a1381ceceb5646f6de8008d2147cdc9b847219dafd7d8b8f7457e63c7463f155694e8a192d13531171b468e8f365
+    HEAD_REF main
+    PATCHES
+        shared-zstd.patch
+        fix-hexl.patch
+)
+
+vcpkg_replace_string(
+    "${SOURCE_PATH}/cmake/CheckCXXIntrinsicsSpecific.cmake"
+    "check_cxx_source_runs"
+    "check_cxx_source_compiles"
+)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        ms-gsl SEAL_USE_MSGSL
+        zlib SEAL_USE_ZLIB
+        zstd SEAL_USE_ZSTD
+        hexl SEAL_USE_INTEL_HEXL
+    INVERTED_FEATURES
+        no-throw-tran SEAL_THROW_ON_TRANSPARENT_CIPHERTEXT
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DSEAL_BUILD_DEPS=OFF
+        -DSEAL_BUILD_EXAMPLES=OFF
+        -DSEAL_BUILD_TESTS=OFF
+        -DSEAL_BUILD_SEAL_C=OFF
+        ${FEATURE_OPTIONS}
+)
+
+vcpkg_cmake_install()
+
+vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/SEAL-4.1)
+
+# provides pkgconfig files only on UNIX
+if(NOT VCPKG_TARGET_IS_WINDOWS)
+    vcpkg_fixup_pkgconfig()
+endif()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/vcpkg/ports/seal/shared-zstd.patch b/vcpkg/ports/seal/shared-zstd.patch
new file mode 100644
index 0000000..b8515fb
--- /dev/null
+++ b/vcpkg/ports/seal/shared-zstd.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 4cc8a01..b8c92c2 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -205,7 +205,7 @@ if(SEAL_USE_ZSTD)
+                     message(FATAL_ERROR "Zstandard: must be static")
+                 endif()
+             elseif(TARGET zstd::libzstd_shared)
+-                message(FATAL_ERROR "Zstandard: must be static")
++                set(zstd_static "zstd::libzstd_shared")
+             else()
+                 message(FATAL_ERROR "Zstandard: not found")
+             endif()
diff --git a/vcpkg/ports/seal/vcpkg.json b/vcpkg/ports/seal/vcpkg.json
new file mode 100644
index 0000000..1144416
--- /dev/null
+++ b/vcpkg/ports/seal/vcpkg.json
@@ -0,0 +1,51 @@
+{
+  "name": "seal",
+  "version": "4.1.2",
+  "description": "Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.",
+  "homepage": "https://github.com/microsoft/SEAL",
+  "license": "MIT",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "default-features": [
+    "ms-gsl",
+    "zlib",
+    "zstd"
+  ],
+  "features": {
+    "hexl": {
+      "description": "Use Intel® HEXL for acceleration of low-level kernels.",
+      "dependencies": [
+        "hexl"
+      ]
+    },
+    "ms-gsl": {
+      "description": "Use ms-gsl for span view",
+      "dependencies": [
+        "ms-gsl"
+      ]
+    },
+    "no-throw-tran": {
+      "description": "Do not throw when operating on transparent ciphertexts"
+    },
+    "zlib": {
+      "description": "Use zlib for compressed serialization",
+      "dependencies": [
+        "zlib"
+      ]
+    },
+    "zstd": {
+      "description": "Use zstd for compressed serialization",
+      "dependencies": [
+        "zstd"
+      ]
+    }
+  }
+}