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math/libtommath: update to 1.2.1
PR: 274350 Reported by: dizzy This is a bugfix release because of potential integer overflow. See PR #546 and CVE-2023-36328.
This commit is contained in:
Pietro Cerutti
parent
ebf70db18b
commit
c97e9a50f3
@ -1,6 +1,5 @@
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PORTNAME= libtommath
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DISTVERSION= 1.2.0
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PORTREVISION= 2
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DISTVERSION= 1.2.1
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CATEGORIES= math
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MASTER_SITES= https://github.com/libtom/libtommath/releases/download/v${DISTVERSION}/
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DISTNAME= ltm-${DISTVERSION}
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@ -12,12 +11,13 @@ WWW= https://libtom.net/
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LICENSE= UNLICENSE
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LICENSE_FILE= ${WRKSRC}/LICENSE
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USES= gmake libtool:build tar:xz
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USES= gmake libtool:build pathfix tar:xz
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WRKSRC= ${WRKDIR}/${PORTNAME}-${DISTVERSION}
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USE_LDCONFIG= yes
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MAKEFILE= makefile.shared
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MAKE_ENV+= IGNORE_SPEED=yes
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ALL_TARGET= default
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CFLAGS+= -fPIC
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PORTDOCS= *
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@ -31,6 +31,10 @@ PLIST_FILES= include/tommath.h \
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OPTIONS_DEFINE= DOCS
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post-patch:
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@${REINPLACE_CMD} -e 's|$$(LIBPATH)/pkgconfig|${PREFIX}/libdata/pkgconfig|' \
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${WRKSRC}/${MAKEFILE}
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post-install:
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@${MKDIR} ${STAGEDIR}${DOCSDIR}
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${INSTALL_DATA} ${WRKSRC}/doc/bn.pdf ${STAGEDIR}${DOCSDIR}
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@ -1,3 +1,3 @@
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TIMESTAMP = 1571744626
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SHA256 (ltm-1.2.0.tar.xz) = b7c75eecf680219484055fcedd686064409254ae44bc31a96c5032843c0e18b1
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SIZE (ltm-1.2.0.tar.xz) = 622120
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TIMESTAMP = 1696845190
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SHA256 (ltm-1.2.1.tar.xz) = 986025d7b374276fee2e30e99f3649e4ac0db8a02257a37ee10eae72abed0d1f
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SIZE (ltm-1.2.1.tar.xz) = 635728
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@ -1,137 +0,0 @@
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From beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 Mon Sep 17 00:00:00 2001
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From: czurnieden <czurnieden@gmx.de>
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Date: Tue, 9 May 2023 17:17:12 +0200
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Subject: [PATCH] Fix possible integer overflow
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---.orig
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bn_mp_2expt.c | 4 ++++
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bn_mp_grow.c | 4 ++++
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bn_mp_init_size.c | 5 +++++
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bn_mp_mul_2d.c | 4 ++++
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bn_s_mp_mul_digs.c | 4 ++++
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bn_s_mp_mul_digs_fast.c | 4 ++++
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bn_s_mp_mul_high_digs.c | 4 ++++
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bn_s_mp_mul_high_digs_fast.c | 4 ++++
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8 files changed, 33 insertions(+)
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diff --git bn_mp_2expt.c bn_mp_2expt.c
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index 0ae3df1bf..23de0c3c5 100644
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--- bn_mp_2expt.c.orig
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+++ bn_mp_2expt.c
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@@ -12,6 +12,10 @@ mp_err mp_2expt(mp_int *a, int b)
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{
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mp_err err;
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+ if (b < 0) {
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+ return MP_VAL;
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+ }
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+
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/* zero a as per default */
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mp_zero(a);
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diff --git bn_mp_grow.c bn_mp_grow.c
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index 9e904c547..2b1682651 100644
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--- bn_mp_grow.c.orig
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+++ bn_mp_grow.c
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@@ -9,6 +9,10 @@ mp_err mp_grow(mp_int *a, int size)
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int i;
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mp_digit *tmp;
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+ if (size < 0) {
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+ return MP_VAL;
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+ }
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+
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/* if the alloc size is smaller alloc more ram */
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if (a->alloc < size) {
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/* reallocate the array a->dp
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diff --git bn_mp_init_size.c bn_mp_init_size.c
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index d62268721..99573833f 100644
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--- bn_mp_init_size.c.orig
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+++ bn_mp_init_size.c
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@@ -6,6 +6,11 @@
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/* init an mp_init for a given size */
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mp_err mp_init_size(mp_int *a, int size)
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{
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+
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+ if (size < 0) {
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+ return MP_VAL;
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+ }
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+
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size = MP_MAX(MP_MIN_PREC, size);
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/* alloc mem */
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diff --git bn_mp_mul_2d.c bn_mp_mul_2d.c
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index 87354de20..bfeaf2eb2 100644
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--- bn_mp_mul_2d.c.orig
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+++ bn_mp_mul_2d.c
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@@ -9,6 +9,10 @@ mp_err mp_mul_2d(const mp_int *a, int b, mp_int *c)
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mp_digit d;
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mp_err err;
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+ if (b < 0) {
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+ return MP_VAL;
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+ }
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+
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/* copy */
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if (a != c) {
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if ((err = mp_copy(a, c)) != MP_OKAY) {
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diff --git bn_s_mp_mul_digs.c bn_s_mp_mul_digs.c
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index 64509d4cb..3682b4980 100644
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--- bn_s_mp_mul_digs.c.orig
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+++ bn_s_mp_mul_digs.c
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@@ -16,6 +16,10 @@ mp_err s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs)
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mp_word r;
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mp_digit tmpx, *tmpt, *tmpy;
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+ if (digs < 0) {
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+ return MP_VAL;
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+ }
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+
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/* can we use the fast multiplier? */
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if ((digs < MP_WARRAY) &&
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(MP_MIN(a->used, b->used) < MP_MAXFAST)) {
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diff --git bn_s_mp_mul_digs_fast.c bn_s_mp_mul_digs_fast.c
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index b2a287b02..3c4176a87 100644
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--- bn_s_mp_mul_digs_fast.c.orig
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+++ bn_s_mp_mul_digs_fast.c
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@@ -26,6 +26,10 @@ mp_err s_mp_mul_digs_fast(const mp_int *a, const mp_int *b, mp_int *c, int digs)
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mp_digit W[MP_WARRAY];
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mp_word _W;
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+ if (digs < 0) {
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+ return MP_VAL;
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+ }
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+
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/* grow the destination as required */
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if (c->alloc < digs) {
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if ((err = mp_grow(c, digs)) != MP_OKAY) {
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diff --git bn_s_mp_mul_high_digs.c bn_s_mp_mul_high_digs.c
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index 2bb2a5098..c9dd355f8 100644
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--- bn_s_mp_mul_high_digs.c.orig
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+++ bn_s_mp_mul_high_digs.c
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@@ -15,6 +15,10 @@ mp_err s_mp_mul_high_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs)
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mp_word r;
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mp_digit tmpx, *tmpt, *tmpy;
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+ if (digs < 0) {
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+ return MP_VAL;
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+ }
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+
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/* can we use the fast multiplier? */
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if (MP_HAS(S_MP_MUL_HIGH_DIGS_FAST)
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&& ((a->used + b->used + 1) < MP_WARRAY)
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diff --git bn_s_mp_mul_high_digs_fast.c bn_s_mp_mul_high_digs_fast.c
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index a2c4fb692..4ce7f590c 100644
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--- bn_s_mp_mul_high_digs_fast.c.orig
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+++ bn_s_mp_mul_high_digs_fast.c
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@@ -19,6 +19,10 @@ mp_err s_mp_mul_high_digs_fast(const mp_int *a, const mp_int *b, mp_int *c, int
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mp_digit W[MP_WARRAY];
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mp_word _W;
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+ if (digs < 0) {
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+ return MP_VAL;
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+ }
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+
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/* grow the destination as required */
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pa = a->used + b->used;
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if (c->alloc < pa) {
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@ -1,57 +0,0 @@
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From c1cf80738219dbd70cba0c0c1244698aad842ec7 Mon Sep 17 00:00:00 2001
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From: Steffen Jaeckel <s@jaeckel.eu>
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Date: Thu, 5 Mar 2020 13:57:07 +0100
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Subject: [PATCH] introduce MP_HAS_SET_DOUBLE
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---
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demo/test.c | 4 ++--
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mp_set_double.c | 2 +-
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tommath_private.h | 7 +++++++
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3 files changed, 10 insertions(+), 3 deletions(-)
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--- demo/test.c.orig 2019-10-22 09:44:44.000000000 +0000
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+++ demo/test.c 2021-09-20 10:02:00.103699000 +0000
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@@ -625,7 +625,7 @@
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}
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(MP_HAS_SET_DOUBLE)
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static int test_mp_set_double(void)
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{
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int i;
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@@ -2461,7 +2461,7 @@
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T1(mp_read_write_sbin, MP_TO_SBIN),
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T1(mp_reduce_2k, MP_REDUCE_2K),
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T1(mp_reduce_2k_l, MP_REDUCE_2K_L),
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(MP_HAS_SET_DOUBLE)
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T1(mp_set_double, MP_SET_DOUBLE),
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#endif
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T1(mp_signed_rsh, MP_SIGNED_RSH),
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--- bn_mp_set_double.c.orig 2019-10-22 09:44:44.000000000 +0000
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+++ bn_mp_set_double.c 2021-09-20 10:05:36.466235000 +0000
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@@ -3,7 +3,7 @@
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(MP_HAS_SET_DOUBLE)
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mp_err mp_set_double(mp_int *a, double b)
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{
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uint64_t frac;
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--- tommath_private.h.orig
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+++ tommath_private.h
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@@ -164,6 +164,13 @@ MP_STATIC_ASSERT(prec_geq_min_prec, MP_DEFAULT_DIGIT_COUNT >= MP_MIN_DIGIT_COUNT
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*/
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#define MP_MAX_DIGIT_COUNT ((INT_MAX - 2) / MP_DIGIT_BIT)
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+#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559) \
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+ || defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) \
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+ || defined(__i386__) || defined(_M_X86) \
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+ || defined(__aarch64__) || defined(__arm__)
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+#define MP_HAS_SET_DOUBLE
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+#endif
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+
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/* random number source */
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extern MP_PRIVATE mp_err(*s_mp_rand_source)(void *out, size_t size);
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