Update SCP03 tests with PlatformSCP03 integration tests and documentation

- Add PlatformSCP03 integration test cases (test_scp03_platform_integration, test_scp03_platform_key_file)
- Update test helpers with mock session creation
- Update README with PlatformSCP03 configuration guide
- Add references to NXP AN12413 and AN12436
- Fix test assertions to work with opaque session type

CMakeLists.txt

@@ -0,0 +1,54 @@
+cmake_minimum_required(VERSION 3.10)
+project(se050_wireguard C)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Include directories
+include_directories(
+    ${CMAKE_SOURCE_DIR}/include
+)
+
+# Source files
+set(SOURCES
+    src/se050_i2c_hal.c
+    src/se050_session.c
+    src/se050_keystore.c
+    src/se050_rng.c
+    src/se050_x25519.c
+    src/se050_scp03.c
+)
+
+# Create library
+add_library(se050_wireguard STATIC ${SOURCES})
+
+# Linux-specific flags
+if(UNIX AND NOT APPLE)
+    # OpenSSL for SCP03 encryption
+    find_package(OpenSSL REQUIRED)
+    target_link_libraries(se050_wireguard OpenSSL::SSL OpenSSL::Crypto)
+endif()
+
+# Enable testing
+option(BUILD_TESTS "Build test suite" ON)
+if(BUILD_TESTS)
+    enable_testing()
+    
+    # SCP03 tests
+    add_executable(test_scp03 tests/test_scp03.c)
+    target_link_libraries(test_scp03 se050_wireguard)
+    
+    if(UNIX AND NOT APPLE)
+        target_link_libraries(test_scp03 OpenSSL::SSL OpenSSL::Crypto)
+    endif()
+    
+    add_test(NAME SCP03Tests COMMAND test_scp03)
+endif()
+
+# Install headers
+install(FILES include/se050_wireguard.h
+        DESTINATION include)
+
+# Install library
+install(TARGETS se050_wireguard
+        ARCHIVE DESTINATION lib)