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src/secp256k1/CMakeLists.txt
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| # Endomorphism | # Endomorphism | ||||
| option(SECP256K1_ENABLE_ENDOMORPHISM "Enable endomorphism" OFF) | option(SECP256K1_ENABLE_ENDOMORPHISM "Enable endomorphism" OFF) | ||||
| if(SECP256K1_ENABLE_ENDOMORPHISM) | if(SECP256K1_ENABLE_ENDOMORPHISM) | ||||
| set(USE_ENDOMORPHISM 1) | set(USE_ENDOMORPHISM 1) | ||||
| endif() | endif() | ||||
| # Make the emult window size customizable. | # Make the emult window size customizable. | ||||
| set(SECP256K1_ECMULT_WINDOW_SIZE 15 CACHE STRING "Window size for ecmult precomputation for verification, specified as integer in range [2..24].") | set(SECP256K1_ECMULT_WINDOW_SIZE 15 CACHE STRING "Window size for ecmult precomputation for verification, specified as integer in range [2..24].") | ||||
| if(${SECP256K1_ECMULT_WINDOW_SIZE} LESS 2 OR ${SECP256K1_ECMULT_WINDOW_SIZE} GREATER 24) | |||||
| message(FATAL_ERROR "SECP256K1_ECMULT_WINDOW_SIZE must be an integer in range [2..24]") | |||||
| endif() | |||||
| set(SECP256K1_ECMULT_GEN_PRECISION 4 CACHE STRING "Precision bits to tune the precomputed table size for signing.") | |||||
| set(VALID_PRECISIONS 2 4 8) | |||||
| if(NOT ${SECP256K1_ECMULT_GEN_PRECISION} IN_LIST VALID_PRECISIONS) | |||||
| message(FATAL_ERROR "SECP256K1_ECMULT_GEN_PRECISION not 2, 4, 8") | |||||
| endif() | |||||
| # Static precomputation for elliptic curve multiplication | # Static precomputation for elliptic curve multiplication | ||||
| option(SECP256K1_ECMULT_STATIC_PRECOMPUTATION "Precompute libsecp256k1's elliptic curve multiplication tables" ON) | option(SECP256K1_ECMULT_STATIC_PRECOMPUTATION "Precompute libsecp256k1's elliptic curve multiplication tables" ON) | ||||
| if(SECP256K1_ECMULT_STATIC_PRECOMPUTATION) | if(SECP256K1_ECMULT_STATIC_PRECOMPUTATION) | ||||
| set(USE_ECMULT_STATIC_PRECOMPUTATION 1) | set(USE_ECMULT_STATIC_PRECOMPUTATION 1) | ||||
| if(${SECP256K1_ECMULT_WINDOW_SIZE} LESS 2 OR ${SECP256K1_ECMULT_WINDOW_SIZE} GREATER 24) | |||||
| message(FATAL_ERROR "SECP256K1_ECMULT_WINDOW_SIZE must be an integer in range [2..24]") | |||||
| endif() | |||||
| include(NativeExecutable) | include(NativeExecutable) | ||||
| native_add_cmake_flags( | native_add_cmake_flags( | ||||
| "-DSECP256K1_ECMULT_WINDOW_SIZE=${SECP256K1_ECMULT_WINDOW_SIZE}" | "-DSECP256K1_ECMULT_WINDOW_SIZE=${SECP256K1_ECMULT_WINDOW_SIZE}" | ||||
| "-DSECP256K1_ECMULT_GEN_PRECISION=${SECP256K1_ECMULT_GEN_PRECISION}" | |||||
| ) | ) | ||||
| add_native_executable(gen_context src/gen_context.c) | add_native_executable(gen_context src/gen_context.c) | ||||
| add_custom_command( | add_custom_command( | ||||
| OUTPUT src/ecmult_static_context.h | OUTPUT src/ecmult_static_context.h | ||||
| COMMAND gen_context | COMMAND gen_context | ||||
| ) | ) | ||||
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