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Merge #252: Upstream PRs 1113, 1225, 1227, 1229, 1223
b40adf2 release: prepare for 0.3.0 (Jonas Nick) 8be82d4 cmake: Rename project to "libsecp256k1" (Hennadii Stepanov) 756b61d readme: Use correct build type in CMake/Windows build instructions (Tim Ruffing) 92098d8 changelog: Add entry for CMake (Tim Ruffing) e1eb337 ci: Add "x86_64: Windows (VS 2022)" task (Hennadii Stepanov) 10602b0 cmake: Export config files (Hennadii Stepanov) 5468d70 build: Add CMake-based build system (Hennadii Stepanov) Pull request description: ACKs for top commit: real-or-random: utACK dc73359 Tree-SHA512: ded76837ee78d3a99daf5e9dbdb3912a1f7efb8b9ea329535e5b5452f8bf6d02bc290dd2378b17a20e1d33b4811c1d88482bf46a57d6c414855b64cf55e38e99
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| Original file line number | Diff line number | Diff line change |
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@@ -66,3 +66,6 @@ libsecp256k1.pc | |
| contrib/gh-pr-create.sh | ||
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| musig_example | ||
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| # Default CMake build directory. | ||
| /build | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,302 @@ | ||
| cmake_minimum_required(VERSION 3.1) | ||
|
|
||
| if(CMAKE_VERSION VERSION_GREATER 3.14) | ||
| # MSVC runtime library flags are selected by the CMAKE_MSVC_RUNTIME_LIBRARY abstraction. | ||
| cmake_policy(SET CMP0091 NEW) | ||
| # MSVC warning flags are not in CMAKE_<LANG>_FLAGS by default. | ||
| cmake_policy(SET CMP0092 NEW) | ||
| endif() | ||
|
|
||
| # The package (a.k.a. release) version is based on semantic versioning 2.0.0 of | ||
| # the API. All changes in experimental modules are treated as | ||
| # backwards-compatible and therefore at most increase the minor version. | ||
| project(libsecp256k1 VERSION 0.3.0 LANGUAGES C) | ||
|
|
||
| # The library version is based on libtool versioning of the ABI. The set of | ||
| # rules for updating the version can be found here: | ||
| # https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html | ||
| # All changes in experimental modules are treated as if they don't affect the | ||
| # interface and therefore only increase the revision. | ||
| set(${PROJECT_NAME}_LIB_VERSION_CURRENT 2) | ||
| set(${PROJECT_NAME}_LIB_VERSION_REVISION 0) | ||
| set(${PROJECT_NAME}_LIB_VERSION_AGE 0) | ||
|
|
||
| set(CMAKE_C_STANDARD 90) | ||
| set(CMAKE_C_EXTENSIONS OFF) | ||
|
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||
| list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) | ||
|
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| # We do not use CMake's BUILD_SHARED_LIBS option. | ||
| option(SECP256K1_BUILD_SHARED "Build shared library." ON) | ||
| option(SECP256K1_BUILD_STATIC "Build static library." ON) | ||
| if(NOT SECP256K1_BUILD_SHARED AND NOT SECP256K1_BUILD_STATIC) | ||
| message(FATAL_ERROR "At least one of SECP256K1_BUILD_SHARED and SECP256K1_BUILD_STATIC must be enabled.") | ||
| endif() | ||
|
|
||
| option(SECP256K1_ENABLE_MODULE_ECDH "Enable ECDH module." ON) | ||
| if(SECP256K1_ENABLE_MODULE_ECDH) | ||
| add_definitions(-DENABLE_MODULE_ECDH=1) | ||
| endif() | ||
|
|
||
| option(SECP256K1_ENABLE_MODULE_RECOVERY "Enable ECDSA pubkey recovery module." OFF) | ||
| if(SECP256K1_ENABLE_MODULE_RECOVERY) | ||
| add_definitions(-DENABLE_MODULE_RECOVERY=1) | ||
| endif() | ||
|
|
||
| option(SECP256K1_ENABLE_MODULE_EXTRAKEYS "Enable extrakeys module." ON) | ||
| option(SECP256K1_ENABLE_MODULE_SCHNORRSIG "Enable schnorrsig module." ON) | ||
| if(SECP256K1_ENABLE_MODULE_SCHNORRSIG) | ||
| set(SECP256K1_ENABLE_MODULE_EXTRAKEYS ON) | ||
| add_definitions(-DENABLE_MODULE_SCHNORRSIG=1) | ||
| endif() | ||
| if(SECP256K1_ENABLE_MODULE_EXTRAKEYS) | ||
| add_definitions(-DENABLE_MODULE_EXTRAKEYS=1) | ||
| endif() | ||
|
|
||
| option(SECP256K1_USE_EXTERNAL_DEFAULT_CALLBACKS "Enable external default callback functions." OFF) | ||
| if(SECP256K1_USE_EXTERNAL_DEFAULT_CALLBACKS) | ||
| add_definitions(-DUSE_EXTERNAL_DEFAULT_CALLBACKS=1) | ||
| endif() | ||
|
|
||
| set(SECP256K1_ECMULT_WINDOW_SIZE "AUTO" CACHE STRING "Window size for ecmult precomputation for verification, specified as integer in range [2..24]. \"AUTO\" is a reasonable setting for desktop machines (currently 15). [default=AUTO]") | ||
| set_property(CACHE SECP256K1_ECMULT_WINDOW_SIZE PROPERTY STRINGS "AUTO" 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24) | ||
| include(CheckStringOptionValue) | ||
| check_string_option_value(SECP256K1_ECMULT_WINDOW_SIZE) | ||
| if(SECP256K1_ECMULT_WINDOW_SIZE STREQUAL "AUTO") | ||
| set(SECP256K1_ECMULT_WINDOW_SIZE 15) | ||
| endif() | ||
| add_definitions(-DECMULT_WINDOW_SIZE=${SECP256K1_ECMULT_WINDOW_SIZE}) | ||
|
|
||
| set(SECP256K1_ECMULT_GEN_PREC_BITS "AUTO" CACHE STRING "Precision bits to tune the precomputed table size for signing, specified as integer 2, 4 or 8. \"AUTO\" is a reasonable setting for desktop machines (currently 4). [default=AUTO]") | ||
| set_property(CACHE SECP256K1_ECMULT_GEN_PREC_BITS PROPERTY STRINGS "AUTO" 2 4 8) | ||
| check_string_option_value(SECP256K1_ECMULT_GEN_PREC_BITS) | ||
| if(SECP256K1_ECMULT_GEN_PREC_BITS STREQUAL "AUTO") | ||
| set(SECP256K1_ECMULT_GEN_PREC_BITS 4) | ||
| endif() | ||
| add_definitions(-DECMULT_GEN_PREC_BITS=${SECP256K1_ECMULT_GEN_PREC_BITS}) | ||
|
|
||
| set(SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY "OFF" CACHE STRING "Test-only override of the (autodetected by the C code) \"widemul\" setting. Legal values are: \"OFF\", \"int128_struct\", \"int128\" or \"int64\". [default=OFF]") | ||
| set_property(CACHE SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY PROPERTY STRINGS "OFF" "int128_struct" "int128" "int64") | ||
| check_string_option_value(SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY) | ||
| if(SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY) | ||
| string(TOUPPER "${SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY}" widemul_upper_value) | ||
| add_definitions(-DUSE_FORCE_WIDEMUL_${widemul_upper_value}=1) | ||
| endif() | ||
| mark_as_advanced(FORCE SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY) | ||
|
|
||
| set(SECP256K1_ASM "AUTO" CACHE STRING "Assembly optimizations to use: \"AUTO\", \"OFF\", \"x86_64\" or \"arm\" (experimental). [default=AUTO]") | ||
| set_property(CACHE SECP256K1_ASM PROPERTY STRINGS "AUTO" "OFF" "x86_64" "arm") | ||
| check_string_option_value(SECP256K1_ASM) | ||
| if(SECP256K1_ASM STREQUAL "arm") | ||
| enable_language(ASM) | ||
| add_definitions(-DUSE_EXTERNAL_ASM=1) | ||
| elseif(SECP256K1_ASM) | ||
| include(Check64bitAssembly) | ||
| check_64bit_assembly() | ||
| if(HAS_64BIT_ASM) | ||
| set(SECP256K1_ASM "x86_64") | ||
| add_definitions(-DUSE_ASM_X86_64=1) | ||
| elseif(SECP256K1_ASM STREQUAL "AUTO") | ||
| set(SECP256K1_ASM "OFF") | ||
| else() | ||
| message(FATAL_ERROR "x86_64 assembly optimization requested but not available.") | ||
| endif() | ||
| endif() | ||
|
|
||
| option(SECP256K1_EXPERIMENTAL "Allow experimental configuration options." OFF) | ||
| if(NOT SECP256K1_EXPERIMENTAL) | ||
| if(SECP256K1_ASM STREQUAL "arm") | ||
| message(FATAL_ERROR "ARM assembly optimization is experimental. Use -DSECP256K1_EXPERIMENTAL=ON to allow.") | ||
| endif() | ||
| endif() | ||
|
|
||
| set(SECP256K1_VALGRIND "AUTO" CACHE STRING "Build with extra checks for running inside Valgrind. [default=AUTO]") | ||
| set_property(CACHE SECP256K1_VALGRIND PROPERTY STRINGS "AUTO" "OFF" "ON") | ||
| check_string_option_value(SECP256K1_VALGRIND) | ||
| if(SECP256K1_VALGRIND) | ||
| find_package(Valgrind MODULE) | ||
| if(Valgrind_FOUND) | ||
| set(SECP256K1_VALGRIND ON) | ||
| include_directories(${Valgrind_INCLUDE_DIR}) | ||
| add_definitions(-DVALGRIND) | ||
| elseif(SECP256K1_VALGRIND STREQUAL "AUTO") | ||
| set(SECP256K1_VALGRIND OFF) | ||
| else() | ||
| message(FATAL_ERROR "Valgrind support requested but valgrind/memcheck.h header not available.") | ||
| endif() | ||
| endif() | ||
|
|
||
| option(SECP256K1_BUILD_BENCHMARK "Build benchmarks." ON) | ||
| option(SECP256K1_BUILD_TESTS "Build tests." ON) | ||
| option(SECP256K1_BUILD_EXHAUSTIVE_TESTS "Build exhaustive tests." ON) | ||
| option(SECP256K1_BUILD_CTIME_TESTS "Build constant-time tests." ${SECP256K1_VALGRIND}) | ||
| option(SECP256K1_BUILD_EXAMPLES "Build examples." OFF) | ||
|
|
||
| # Redefine configuration flags. | ||
| # We leave assertions on, because they are only used in the examples, and we want them always on there. | ||
| if(MSVC) | ||
| string(REGEX REPLACE "/DNDEBUG[ \t\r\n]*" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}") | ||
| string(REGEX REPLACE "/DNDEBUG[ \t\r\n]*" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") | ||
| string(REGEX REPLACE "/DNDEBUG[ \t\r\n]*" "" CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL}") | ||
| else() | ||
| string(REGEX REPLACE "-DNDEBUG[ \t\r\n]*" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}") | ||
| string(REGEX REPLACE "-DNDEBUG[ \t\r\n]*" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") | ||
| string(REGEX REPLACE "-DNDEBUG[ \t\r\n]*" "" CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL}") | ||
| # Prefer -O2 optimization level. (-O3 is CMake's default for Release for many compilers.) | ||
| string(REGEX REPLACE "-O3[ \t\r\n]*" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") | ||
| endif() | ||
|
|
||
| # Define custom "Coverage" build type. | ||
| set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O0 -DCOVERAGE=1 --coverage -Wno-unused-parameter" CACHE STRING | ||
| "Flags used by the C compiler during \"Coverage\" builds." | ||
| FORCE | ||
| ) | ||
| set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} --coverage" CACHE STRING | ||
| "Flags used for linking binaries during \"Coverage\" builds." | ||
| FORCE | ||
| ) | ||
| set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} --coverage" CACHE STRING | ||
| "Flags used by the shared libraries linker during \"Coverage\" builds." | ||
| FORCE | ||
| ) | ||
| mark_as_advanced( | ||
| CMAKE_C_FLAGS_COVERAGE | ||
| CMAKE_EXE_LINKER_FLAGS_COVERAGE | ||
| CMAKE_SHARED_LINKER_FLAGS_COVERAGE | ||
| ) | ||
|
|
||
| if(CMAKE_CONFIGURATION_TYPES) | ||
| set(CMAKE_CONFIGURATION_TYPES "RelWithDebInfo" "Release" "Debug" "MinSizeRel" "Coverage") | ||
| endif() | ||
|
|
||
| get_property(cached_cmake_build_type CACHE CMAKE_BUILD_TYPE PROPERTY TYPE) | ||
| if(cached_cmake_build_type) | ||
| set_property(CACHE CMAKE_BUILD_TYPE PROPERTY | ||
| STRINGS "RelWithDebInfo" "Release" "Debug" "MinSizeRel" "Coverage" | ||
| ) | ||
| endif() | ||
|
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||
| set(default_build_type "RelWithDebInfo") | ||
| if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) | ||
| message(STATUS "Setting build type to \"${default_build_type}\" as none was specified") | ||
| set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build." FORCE) | ||
| endif() | ||
|
|
||
| include(TryAddCompileOption) | ||
| if(MSVC) | ||
| try_add_compile_option(/W2) | ||
| try_add_compile_option(/wd4146) | ||
| else() | ||
| try_add_compile_option(-pedantic) | ||
| try_add_compile_option(-Wall) | ||
| try_add_compile_option(-Wcast-align) | ||
| try_add_compile_option(-Wcast-align=strict) | ||
| try_add_compile_option(-Wconditional-uninitialized) | ||
| try_add_compile_option(-Wextra) | ||
| try_add_compile_option(-Wnested-externs) | ||
| try_add_compile_option(-Wno-long-long) | ||
| try_add_compile_option(-Wno-overlength-strings) | ||
| try_add_compile_option(-Wno-unused-function) | ||
| try_add_compile_option(-Wreserved-identifier) | ||
| try_add_compile_option(-Wshadow) | ||
| try_add_compile_option(-Wstrict-prototypes) | ||
| try_add_compile_option(-Wundef) | ||
| endif() | ||
|
|
||
| if(CMAKE_VERSION VERSION_GREATER 3.2) | ||
| # Honor visibility properties for all target types. | ||
| # See: https://cmake.org/cmake/help/latest/policy/CMP0063.html | ||
| cmake_policy(SET CMP0063 NEW) | ||
| endif() | ||
| set(CMAKE_C_VISIBILITY_PRESET hidden) | ||
|
|
||
| # Ask CTest to create a "check" target (e.g., make check) as alias for the "test" target. | ||
| # CTEST_TEST_TARGET_ALIAS is not documented but supposed to be user-facing. | ||
| # See: https://gitlab.kitware.com/cmake/cmake/-/commit/816c9d1aa1f2b42d40c81a991b68c96eb12b6d2 | ||
| set(CTEST_TEST_TARGET_ALIAS check) | ||
| include(CTest) | ||
| # We do not use CTest's BUILD_TESTING because a single toggle for all tests is too coarse for our needs. | ||
| mark_as_advanced(BUILD_TESTING) | ||
| if(SECP256K1_BUILD_BENCHMARK OR SECP256K1_BUILD_TESTS OR SECP256K1_BUILD_EXHAUSTIVE_TESTS OR SECP256K1_BUILD_CTIME_TESTS OR SECP256K1_BUILD_EXAMPLES) | ||
| enable_testing() | ||
| endif() | ||
|
|
||
| add_subdirectory(src) | ||
| if(SECP256K1_BUILD_EXAMPLES) | ||
| add_subdirectory(examples) | ||
| endif() | ||
|
|
||
| message("\n") | ||
| message("secp256k1 configure summary") | ||
| message("===========================") | ||
| message("Build artifacts:") | ||
| message(" shared library ...................... ${SECP256K1_BUILD_SHARED}") | ||
| message(" static library ...................... ${SECP256K1_BUILD_STATIC}") | ||
| message("Optional modules:") | ||
| message(" ECDH ................................ ${SECP256K1_ENABLE_MODULE_ECDH}") | ||
| message(" ECDSA pubkey recovery ............... ${SECP256K1_ENABLE_MODULE_RECOVERY}") | ||
| message(" extrakeys ........................... ${SECP256K1_ENABLE_MODULE_EXTRAKEYS}") | ||
| message(" schnorrsig .......................... ${SECP256K1_ENABLE_MODULE_SCHNORRSIG}") | ||
| message("Parameters:") | ||
| message(" ecmult window size .................. ${SECP256K1_ECMULT_WINDOW_SIZE}") | ||
| message(" ecmult gen precision bits ........... ${SECP256K1_ECMULT_GEN_PREC_BITS}") | ||
| message("Optional features:") | ||
| message(" assembly optimization ............... ${SECP256K1_ASM}") | ||
| message(" external callbacks .................. ${SECP256K1_USE_EXTERNAL_DEFAULT_CALLBACKS}") | ||
| if(SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY) | ||
| message(" wide multiplication (test-only) ..... ${SECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY}") | ||
| endif() | ||
| message("Optional binaries:") | ||
| message(" benchmark ........................... ${SECP256K1_BUILD_BENCHMARK}") | ||
| message(" noverify_tests ...................... ${SECP256K1_BUILD_TESTS}") | ||
| set(tests_status "${SECP256K1_BUILD_TESTS}") | ||
| if(CMAKE_BUILD_TYPE STREQUAL "Coverage") | ||
| set(tests_status OFF) | ||
| endif() | ||
| message(" tests ............................... ${tests_status}") | ||
| message(" exhaustive tests .................... ${SECP256K1_BUILD_EXHAUSTIVE_TESTS}") | ||
| message(" ctime_tests ......................... ${SECP256K1_BUILD_CTIME_TESTS}") | ||
| message(" examples ............................ ${SECP256K1_BUILD_EXAMPLES}") | ||
| message("") | ||
| if(CMAKE_CROSSCOMPILING) | ||
| set(cross_status "TRUE, for ${CMAKE_SYSTEM_NAME}, ${CMAKE_SYSTEM_PROCESSOR}") | ||
| else() | ||
| set(cross_status "FALSE") | ||
| endif() | ||
| message("Cross compiling ....................... ${cross_status}") | ||
| message("Valgrind .............................. ${SECP256K1_VALGRIND}") | ||
| get_directory_property(definitions COMPILE_DEFINITIONS) | ||
| string(REPLACE ";" " " definitions "${definitions}") | ||
| message("Preprocessor defined macros ........... ${definitions}") | ||
| message("C compiler ............................ ${CMAKE_C_COMPILER}") | ||
| message("CFLAGS ................................ ${CMAKE_C_FLAGS}") | ||
| get_directory_property(compile_options COMPILE_OPTIONS) | ||
| string(REPLACE ";" " " compile_options "${compile_options}") | ||
| message("Compile options ....................... " ${compile_options}) | ||
| if(DEFINED CMAKE_BUILD_TYPE) | ||
| message("Build type:") | ||
| message(" - CMAKE_BUILD_TYPE ................... ${CMAKE_BUILD_TYPE}") | ||
| string(TOUPPER "${CMAKE_BUILD_TYPE}" build_type) | ||
| message(" - CFLAGS ............................. ${CMAKE_C_FLAGS_${build_type}}") | ||
| message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_${build_type}}") | ||
| message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_${build_type}}") | ||
| else() | ||
| message("Available configurations .............. ${CMAKE_CONFIGURATION_TYPES}") | ||
| message("RelWithDebInfo configuration:") | ||
| message(" - CFLAGS ............................. ${CMAKE_C_FLAGS_RELWITHDEBINFO}") | ||
| message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}") | ||
| message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO}") | ||
| message("Debug configuration:") | ||
| message(" - CFLAGS ............................. ${CMAKE_C_FLAGS_DEBUG}") | ||
| message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_DEBUG}") | ||
| message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_DEBUG}") | ||
| endif() | ||
| message("\n") | ||
| if(SECP256K1_EXPERIMENTAL) | ||
| message( | ||
| " ******\n" | ||
| " WARNING: experimental build\n" | ||
| " Experimental features do not have stable APIs or properties, and may not be safe for production use.\n" | ||
| " ******\n" | ||
| ) | ||
| endif() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| include(CheckCSourceCompiles) | ||
|
|
||
| function(check_64bit_assembly) | ||
| check_c_source_compiles(" | ||
| #include <stdint.h> | ||
| int main() | ||
| { | ||
| uint64_t a = 11, tmp; | ||
| __asm__ __volatile__(\"movq $0x100000000,%1; mulq %%rsi\" : \"+a\"(a) : \"S\"(tmp) : \"cc\", \"%rdx\"); | ||
| } | ||
| " HAS_64BIT_ASM) | ||
| set(HAS_64BIT_ASM ${HAS_64BIT_ASM} PARENT_SCOPE) | ||
| endfunction() |
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