oqs-provider: add quantum-safe cryptography (QSC) provider

Add libopenssl provider of quantum-safe cryptography (QSC) library.

Tested-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

libs/oqs-provider/Makefile

@@ -0,0 +1,44 @@
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/openssl-module.mk
+
+PKG_NAME:=libopenssl-oqsprovider
+PKG_VERSION:=0.10.0
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/open-quantum-safe/oqs-provider.git
+PKG_SOURCE_VERSION:=f076e91faab88871ff1973db0287cc6e4b94c4b0
+PKG_MIRROR_HASH:=cf8fcc4b1cd8fc914bc7948c35666769d5f4a1ca40a36c049f116d6e216b3f82
+
+PKG_MAINTAINER:=Christian Marangi <ansuelsmth@gmail.com>
+PKG_LICENSE:=MIT
+PKG_LICENSE_FILES:=LICENSE.txt
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+$(eval $(call Package/openssl/add-provider,oqsprovider))
+define Package/libopenssl-oqsprovider
+  $(call Package/openssl/module/Default)
+  TITLE:=Open Quantum Safe provider for OpenSSL (3.x)
+  DEPENDS+=+liboqs
+  URL:=https://openquantumsafe.org/
+endef
+
+define Package/libopenssl-oqsprovider/description
+  This enable quantum-safe cryptography (QSC) in a standard OpenSSL (3.x)
+  distribution by way of implementing a single shared library, the
+  OQS provider.
+endef
+
+CMAKE_OPTIONS += \
+	-DBUILD_SHARED_LIBS=ON \
+	-DBUILD_TESTING=OFF \
+	-DOPENSSL_MODULES_PATH=/usr/lib/$(MODULES_DIR)
+
+$(eval $(call BuildPackage,libopenssl-oqsprovider))

libs/oqs-provider/files/oqsprovider.cnf

@@ -0,0 +1,3 @@
+[oqsprovider_sect]
+activate = 1
+