34 lines
1.3 KiB
CMake
34 lines
1.3 KiB
CMake
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# GenerateKey.cmake — Build-time 1337-bit key generation
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# Compiles and runs the keygen tool to produce:
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# 1. generated/EmbeddedKey.h (compiled into the app)
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# 2. resources/garbage.xtx (distributed read-only alongside the app)
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set(KEYGEN_SOURCE "${CMAKE_SOURCE_DIR}/tools/keygen.cpp")
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set(KEYGEN_BINARY "${CMAKE_BINARY_DIR}/tools/keygen${CMAKE_EXECUTABLE_SUFFIX}")
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set(GENERATED_DIR "${CMAKE_BINARY_DIR}/generated")
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set(GENERATED_KEY_HEADER "${GENERATED_DIR}/EmbeddedKey.h")
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set(GARBAGE_XTX "${CMAKE_SOURCE_DIR}/resources/garbage.xtx")
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file(MAKE_DIRECTORY ${GENERATED_DIR})
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file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/tools")
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# Step 1: Compile keygen tool (runs on host at configure/build time)
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add_executable(spw_keygen EXCLUDE_FROM_ALL "${KEYGEN_SOURCE}")
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if(WIN32)
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target_link_libraries(spw_keygen PRIVATE bcrypt)
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endif()
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set_target_properties(spw_keygen PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/tools"
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)
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# Step 2: Run keygen to produce header + garbage.xtx
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add_custom_command(
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OUTPUT "${GENERATED_KEY_HEADER}" "${GARBAGE_XTX}"
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COMMAND spw_keygen "${GENERATED_KEY_HEADER}" "${GARBAGE_XTX}"
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DEPENDS spw_keygen "${KEYGEN_SOURCE}"
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COMMENT "Generating 1337-bit cryptographic key and garbage.xtx..."
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VERBATIM
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)
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add_custom_target(generate_key DEPENDS "${GENERATED_KEY_HEADER}" "${GARBAGE_XTX}")
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