87bddb7a3a
b0210a9 Merge pull request #135 ee3eb4b Fix a memory leak and add a number of small tests. 4d879a3 Merge pull request #134 d5e8362 Merge pull request #127 7b92cf6 Merge pull request #132 0bf70a5 Merge pull request #133 29ae131 Make scalar_add_bit test's overflow detection exact 9048def Avoid undefined shift behaviour efb7d4b Use constant-time conditional moves instead of byte slicing d220062 Merge pull request #131 82f9254 Fix typo 601ca04 Merge pull request #129 35399e0 Bugfix: b is restricted, not r c35ff1e Convert lambda splitter to pure scalar code. cc604e9 Avoid division when decomposing scalars ff8746d Add secp256k1_scalar_mul_shift_var bd313f7 Merge pull request #119 276f987 Merge pull request #124 25d125e Merge pull request #126 24b3c65 Add a test case for ECDSA recomputing infinity 32600e5 Add a test for r >= order signature handling 4d4eeea Make secp256k1_fe_mul_inner use the r != property be82e92 Require that r and b are different for field multiplication. 597128d Make num optional 659b554 Make constant initializers independent from num 0af5b47 Merge pull request #120 e2e8a36 Merge pull request #117 c76be9e Remove unused num functions 4285a98 Move lambda-splitting code to scalar. f24041d Switch all EC/ECDSA logic from num to scalar 6794be6 Add scalar splitting functions d1502eb Add secp256k1_scalar_inverse_var which delegates to GMP b5c9ee7 Make test_point_times_order test meaningful again 0b73059 Switch wnaf splitting from num-based to scalar-based 1e6c77c Generalize secp256k1_scalar_get_bits 5213207 Add secp256k1_scalar_add_bit 3c0ae43 Merge pull request #122 6e05287 Do signature recovery/verification with 4 possible recid case e3d692f Explain why no y=0 check is necessary for doubling f7dc1c6 Optimize doubling: secp256k1 has no y=0 point 666d3b5 Merge pull request #121 2a54f9b Correct typo in comment 9d64145 Merge pull request #114 99f0728 Fix secp256k1_num_set_bin handling of 0 d907ebc Add bounds checking to field element setters bb2cd94 Merge pull request #116 665775b Don't split the g factor when not using endomorphism 9431d6b Merge pull request #115 e2274c5 build: osx: attempt to work with homebrew keg-only packages git-subtree-dir: src/secp256k1 git-subtree-split: b0210a95da433e048a11d298efbcc14eb423c95f
97 lines
3.1 KiB
Plaintext
97 lines
3.1 KiB
Plaintext
dnl libsecp25k1 helper checks
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AC_DEFUN([SECP_INT128_CHECK],[
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has_int128=$ac_cv_type___int128
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if test x"$has_int128" != x"yes" && test x"$set_field" = x"64bit"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but is not compatible with this host])
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fi
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if test x"$has_int128" != x"yes" && test x"$set_scalar" = x"64bit"; then
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AC_MSG_ERROR([$set_scalar scalar support explicitly requested but is not compatible with this host])
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fi
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])
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dnl
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AC_DEFUN([SECP_64BIT_ASM_CHECK],[
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if test x"$host_cpu" == x"x86_64"; then
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AC_CHECK_PROG(YASM, yasm, yasm)
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else
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if test x"$set_field" = x"64bit_asm"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but is not compatible with this host])
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fi
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fi
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if test x$YASM = x; then
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if test x"$set_field" = x"64bit_asm"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but yasm was not found])
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fi
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has_64bit_asm=no
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else
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case x"$host_os" in
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xdarwin*)
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YASM_BINFMT=macho64
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;;
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x*-gnux32)
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YASM_BINFMT=elfx32
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;;
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*)
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YASM_BINFMT=elf64
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;;
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esac
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if $YASM -f help | grep -q $YASM_BINFMT; then
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has_64bit_asm=yes
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else
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if test x"$set_field" = x"64bit_asm"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but yasm doesn't support $YASM_BINFMT format])
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fi
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AC_MSG_WARN([yasm too old for $YASM_BINFMT format])
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has_64bit_asm=no
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fi
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fi
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])
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dnl
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AC_DEFUN([SECP_OPENSSL_CHECK],[
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if test x"$use_pkgconfig" = x"yes"; then
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: #NOP
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m4_ifdef([PKG_CHECK_MODULES],[
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PKG_CHECK_MODULES([CRYPTO], [libcrypto], [has_libcrypto=yes; AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])],[has_libcrypto=no])
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: #NOP
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])
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else
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AC_CHECK_HEADER(openssl/crypto.h,[AC_CHECK_LIB(crypto, main,[has_libcrypto=yes; CRYPTO_LIBS=-lcrypto; AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])]
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)])
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LIBS=
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fi
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if test x"$has_libcrypto" == x"yes" && test x"$has_openssl_ec" = x; then
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AC_MSG_CHECKING(for EC functions in libcrypto)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <openssl/ec.h>
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#include <openssl/ecdsa.h>
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#include <openssl/obj_mac.h>]],[[
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EC_KEY *eckey = EC_KEY_new_by_curve_name(NID_secp256k1);
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ECDSA_sign(0, NULL, 0, NULL, NULL, eckey);
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ECDSA_verify(0, NULL, 0, NULL, 0, eckey);
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EC_KEY_free(eckey);
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]])],[has_openssl_ec=yes],[has_openssl_ec=no])
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AC_MSG_RESULT([$has_openssl_ec])
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fi
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])
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dnl
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AC_DEFUN([SECP_GMP_CHECK],[
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if test x"$has_gmp" != x"yes"; then
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CPPFLAGS_TEMP="$CPPFLAGS"
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CPPFLAGS="$GMP_CPPFLAGS $CPPFLAGS"
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LIBS_TEMP="$LIBS"
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LIBS="$GMP_LIBS $LIBS"
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AC_CHECK_HEADER(gmp.h,[AC_CHECK_LIB(gmp, __gmpz_init,[has_gmp=yes; GMP_LIBS="$GMP_LIBS -lgmp"; AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed])])])
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CPPFLAGS="$CPPFLAGS_TEMP"
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LIBS="$LIBS_TEMP"
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fi
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if test x"$set_field" = x"gmp" && test x"$has_gmp" != x"yes"; then
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AC_MSG_ERROR([$set_field field support explicitly requested but libgmp was not found])
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fi
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if test x"$set_bignum" = x"gmp" && test x"$has_gmp" != x"yes"; then
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AC_MSG_ERROR([$set_bignum field support explicitly requested but libgmp was not found])
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fi
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])
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