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Squashed 'src/secp256k1/' changes from bccaf86..50cc6ab

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50cc6ab Merge pull request #178
941e221 Add tests for handling of the nonce function in signing.
10c81ff Merge pull request #177
7688e34 Add magnitude limits to secp256k1_fe_verify to ensure that it's own tests function correctly.
4ee4f7a Merge pull request #176
70ae0d2 Use secp256k1_fe_equal_var in secp256k1_fe_sqrt_var.
7767b4d Merge pull request #175
9ab9335 Add a reference consistency test to ge_tests.
60571c6 Rework group tests
d26e26f Avoid constructing an invalid signature with probability 1:2^256.
b450c34 Merge pull request #163
d57cae9 Merge pull request #154
49ee0db Add _normalizes_to_zero_var variant
eed599d Add _fe_normalizes_to_zero method
d7174ed Weak normalization for secp256k1_fe_equal
0295f0a weak normalization
bbd5ba7 Use rfc6979 as default nonce generation function
b37fbc2 Implement SHA256 / HMAC-SHA256 / RFC6979.
c6e7f4e [API BREAK] Use a nonce-generation function instead of a nonce
cf0c48b Merge pull request #169
603c33b Make signing fail if a too small buffer is passed.
6d16606 Merge pull request #168
7277fd7 Remove GMP field implementation
e99c4c4 Merge pull request #123
13278f6 Add explanation about how inversion can be avoided
ce7eb6f Optimize verification: avoid field inverse
a098f78 Merge pull request #160
38acd01 Merge pull request #165
6a59012 Make git ignore bench_recover when configured with benchmark enabled
1ba4a60 Configure options reorganization
3c0f246 Merge pull request #157
808dd9b Merge pull request #156
8dc75e9 Merge pull request #158
28ade27 build: nuke bashisms
5190079 build: use subdir-objects for automake
8336040 build: disable benchmark by default

git-subtree-dir: src/secp256k1
git-subtree-split: 50cc6ab0625efda6dddf1dc86c1e2671f069b0d8
This commit is contained in:
Pieter Wuille
2015-01-06 00:28:47 +01:00
parent ecae2acb06
commit 7873633b57
23 changed files with 1167 additions and 524 deletions
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20
build-aux/m4/bitcoin_secp.m4
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@@ -1,12 +1,6 @@
dnl libsecp25k1 helper checks
AC_DEFUN([SECP_INT128_CHECK],[
has_int128=$ac_cv_type___int128
if test x"$has_int128" != x"yes" && test x"$set_field" = x"64bit"; then
AC_MSG_ERROR([$set_field field support explicitly requested but is not compatible with this host])
fi
if test x"$has_int128" != x"yes" && test x"$set_scalar" = x"64bit"; then
AC_MSG_ERROR([$set_scalar scalar support explicitly requested but is not compatible with this host])
fi
])
dnl
@@ -18,11 +12,6 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
__asm__ __volatile__("movq $0x100000000,%1; mulq %%rsi" : "+a"(a) : "S"(tmp) : "cc", "%rdx");
]])],[has_64bit_asm=yes],[has_64bit_asm=no])
AC_MSG_RESULT([$has_64bit_asm])
if test x"$set_field" == x"64bit_asm"; then
if test x"$has_64bit_asm" == x"no"; then
AC_MSG_ERROR([$set_field field support explicitly requested but no x86_64 assembly available])
fi
fi
])
dnl
@@ -43,7 +32,7 @@ else
)])
LIBS=
fi
if test x"$has_libcrypto" == x"yes" && test x"$has_openssl_ec" = x; then
if test x"$has_libcrypto" = x"yes" && test x"$has_openssl_ec" = x; then
AC_MSG_CHECKING(for EC functions in libcrypto)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <openssl/ec.h>
@@ -69,11 +58,4 @@ if test x"$has_gmp" != x"yes"; then
CPPFLAGS="$CPPFLAGS_TEMP"
LIBS="$LIBS_TEMP"
fi
if test x"$set_field" = x"gmp" && test x"$has_gmp" != x"yes"; then
AC_MSG_ERROR([$set_field field support explicitly requested but libgmp was not found])
fi
if test x"$set_bignum" = x"gmp" && test x"$has_gmp" != x"yes"; then
AC_MSG_ERROR([$set_bignum field support explicitly requested but libgmp was not found])
fi
])