secp256k1/Makefile.am
Gregory Maxwell 7b50483ad7 Adds a declassify operation to aid constant-time analysis.
ECDSA signing has a retry loop for the exceptionally unlikely case
 that S==0.  S is not a secret at this point and this case is so
 rare that it will never be observed but branching on it will trip
 up tools analysing if the code is constant time with respect to
 secrets.

Derandomized ECDSA can also loop on k being zero or overflowing,
 and while k is a secret these cases are too rare (1:2^255) to
 ever observe and are also of no concern.

This adds a function for marking memory as no-longer-secret and
 sets it up for use with the valgrind memcheck constant-time
 test.
2020-02-20 17:27:26 +00:00

147 lines
4.6 KiB
Makefile

ACLOCAL_AMFLAGS = -I build-aux/m4
lib_LTLIBRARIES = libsecp256k1.la
include_HEADERS = include/secp256k1.h
include_HEADERS += include/secp256k1_preallocated.h
noinst_HEADERS =
noinst_HEADERS += src/scalar.h
noinst_HEADERS += src/scalar_4x64.h
noinst_HEADERS += src/scalar_8x32.h
noinst_HEADERS += src/scalar_low.h
noinst_HEADERS += src/scalar_impl.h
noinst_HEADERS += src/scalar_4x64_impl.h
noinst_HEADERS += src/scalar_8x32_impl.h
noinst_HEADERS += src/scalar_low_impl.h
noinst_HEADERS += src/group.h
noinst_HEADERS += src/group_impl.h
noinst_HEADERS += src/num_gmp.h
noinst_HEADERS += src/num_gmp_impl.h
noinst_HEADERS += src/ecdsa.h
noinst_HEADERS += src/ecdsa_impl.h
noinst_HEADERS += src/eckey.h
noinst_HEADERS += src/eckey_impl.h
noinst_HEADERS += src/ecmult.h
noinst_HEADERS += src/ecmult_impl.h
noinst_HEADERS += src/ecmult_const.h
noinst_HEADERS += src/ecmult_const_impl.h
noinst_HEADERS += src/ecmult_gen.h
noinst_HEADERS += src/ecmult_gen_impl.h
noinst_HEADERS += src/num.h
noinst_HEADERS += src/num_impl.h
noinst_HEADERS += src/field_10x26.h
noinst_HEADERS += src/field_10x26_impl.h
noinst_HEADERS += src/field_5x52.h
noinst_HEADERS += src/field_5x52_impl.h
noinst_HEADERS += src/field_5x52_int128_impl.h
noinst_HEADERS += src/field_5x52_asm_impl.h
noinst_HEADERS += src/util.h
noinst_HEADERS += src/scratch.h
noinst_HEADERS += src/scratch_impl.h
noinst_HEADERS += src/testrand.h
noinst_HEADERS += src/testrand_impl.h
noinst_HEADERS += src/hash.h
noinst_HEADERS += src/hash_impl.h
noinst_HEADERS += src/field.h
noinst_HEADERS += src/field_impl.h
noinst_HEADERS += src/bench.h
noinst_HEADERS += contrib/lax_der_parsing.h
noinst_HEADERS += contrib/lax_der_parsing.c
noinst_HEADERS += contrib/lax_der_privatekey_parsing.h
noinst_HEADERS += contrib/lax_der_privatekey_parsing.c
if USE_EXTERNAL_ASM
COMMON_LIB = libsecp256k1_common.la
noinst_LTLIBRARIES = $(COMMON_LIB)
else
COMMON_LIB =
endif
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libsecp256k1.pc
if USE_EXTERNAL_ASM
if USE_ASM_ARM
libsecp256k1_common_la_SOURCES = src/asm/field_10x26_arm.s
endif
endif
libsecp256k1_la_SOURCES = src/secp256k1.c
libsecp256k1_la_CPPFLAGS = -DSECP256K1_BUILD -I$(top_srcdir)/include -I$(top_srcdir)/src $(SECP_INCLUDES)
libsecp256k1_la_LIBADD = $(SECP_LIBS) $(COMMON_LIB)
if VALGRIND_ENABLED
libsecp256k1_la_CPPFLAGS += -DVALGRIND
endif
noinst_PROGRAMS =
if USE_BENCHMARK
noinst_PROGRAMS += bench_verify bench_sign bench_internal bench_ecmult
bench_verify_SOURCES = src/bench_verify.c
bench_verify_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
bench_sign_SOURCES = src/bench_sign.c
bench_sign_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
bench_internal_SOURCES = src/bench_internal.c
bench_internal_LDADD = $(SECP_LIBS) $(COMMON_LIB)
bench_internal_CPPFLAGS = -DSECP256K1_BUILD $(SECP_INCLUDES)
bench_ecmult_SOURCES = src/bench_ecmult.c
bench_ecmult_LDADD = $(SECP_LIBS) $(COMMON_LIB)
bench_ecmult_CPPFLAGS = -DSECP256K1_BUILD $(SECP_INCLUDES)
endif
TESTS =
if USE_TESTS
noinst_PROGRAMS += tests
tests_SOURCES = src/tests.c
tests_CPPFLAGS = -DSECP256K1_BUILD -I$(top_srcdir)/src -I$(top_srcdir)/include $(SECP_INCLUDES) $(SECP_TEST_INCLUDES)
if !ENABLE_COVERAGE
tests_CPPFLAGS += -DVERIFY
endif
tests_LDADD = $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
tests_LDFLAGS = -static
TESTS += tests
endif
if USE_EXHAUSTIVE_TESTS
noinst_PROGRAMS += exhaustive_tests
exhaustive_tests_SOURCES = src/tests_exhaustive.c
exhaustive_tests_CPPFLAGS = -DSECP256K1_BUILD -I$(top_srcdir)/src $(SECP_INCLUDES)
if !ENABLE_COVERAGE
exhaustive_tests_CPPFLAGS += -DVERIFY
endif
exhaustive_tests_LDADD = $(SECP_LIBS) $(COMMON_LIB)
exhaustive_tests_LDFLAGS = -static
TESTS += exhaustive_tests
endif
if USE_ECMULT_STATIC_PRECOMPUTATION
CPPFLAGS_FOR_BUILD +=-I$(top_srcdir) -I$(builddir)/src
gen_context_OBJECTS = gen_context.o
gen_context_BIN = gen_context$(BUILD_EXEEXT)
gen_%.o: src/gen_%.c src/libsecp256k1-config.h
$(CC_FOR_BUILD) $(CPPFLAGS_FOR_BUILD) $(CFLAGS_FOR_BUILD) -c $< -o $@
$(gen_context_BIN): $(gen_context_OBJECTS)
$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $^ -o $@
$(libsecp256k1_la_OBJECTS): src/ecmult_static_context.h
$(tests_OBJECTS): src/ecmult_static_context.h
$(bench_internal_OBJECTS): src/ecmult_static_context.h
$(bench_ecmult_OBJECTS): src/ecmult_static_context.h
src/ecmult_static_context.h: $(gen_context_BIN)
./$(gen_context_BIN)
CLEANFILES = $(gen_context_BIN) src/ecmult_static_context.h
endif
EXTRA_DIST = autogen.sh src/gen_context.c src/basic-config.h
if ENABLE_MODULE_ECDH
include src/modules/ecdh/Makefile.am.include
endif
if ENABLE_MODULE_RECOVERY
include src/modules/recovery/Makefile.am.include
endif