package/libs/nettle/patches/0002-Added-option-to-use-mini-gmp-in-hogweed.patch

   1 From 8d5360e3e5eea3c9dbfd44f9b981f18a41605e45 Mon Sep 17 00:00:00 2001
   2 From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
   3 Date: Sun, 9 Mar 2014 11:30:25 +0100
   4 Subject: [PATCH 2/5] Added option to use mini-gmp in hogweed.
   5
   6 ---
   7  Makefile.in              |  8 +++--
   8  bignum.h                 |  6 +++-
   9  configure.ac             | 76 +++++++++++++++++++++++++++++++++++-------------
  10  dsa.h                    |  2 +-
  11  ecc-internal.h           |  2 +-
  12  ecc.h                    |  2 +-
  13  eccdata.c                | 12 +++++++-
  14  examples/Makefile.in     |  2 +-
  15  examples/ecc-benchmark.c |  2 ++
  16  gmp-glue.c               |  1 +
  17  gmp-glue.h               |  2 +-
  18  hogweed.pc.in            |  2 +-
  19  mini-gmp.c               |  2 +-
  20  mini-gmp.h               |  9 ++++++
  21  pkcs1.h                  |  2 +-
  22  rsa.h                    |  2 +-
  23  testsuite/Makefile.in    |  4 +--
  24  testsuite/testutils.h    |  5 ++--
  25  18 files changed, 102 insertions(+), 39 deletions(-)
  26
  27 --- a/Makefile.in
  28 +++ b/Makefile.in
  29 @@ -15,6 +15,10 @@ MKDIR_P = @MKDIR_P@
  30  OPT_ASM_NETTLE_SOURCES = @OPT_ASM_NETTLE_SOURCES@
  31  OPT_ASM_HOGWEED_SOURCES = @OPT_ASM_HOGWEED_SOURCES@
  32
  33 +OPT_HOGWEED_SOURCES = @OPT_HOGWEED_SOURCES@
  34 +
  35 +OPT_HOGWEED_HEADERS = @OPT_HOGWEED_HEADERS@
  36 +
  37  SUBDIRS = tools testsuite examples
  38
  39  include config.make
  40 @@ -132,7 +136,7 @@ nettle_SOURCES = aes-decrypt-internal.c
  41                  write-be32.c write-le32.c write-le64.c \
  42                  yarrow256.c yarrow_key_event.c
  43
  44 -hogweed_SOURCES = sexp.c sexp-format.c \
  45 +hogweed_SOURCES = $(OPT_HOGWEED_SOURCES) sexp.c sexp-format.c \
  46                   sexp-transport.c sexp-transport-format.c \
  47                   bignum.c bignum-random.c bignum-random-prime.c \
  48                   sexp2bignum.c \
  49 @@ -183,7 +187,7 @@ HEADERS = aes.h arcfour.h arctwo.h asn1.
  50           pgp.h pkcs1.h realloc.h ripemd160.h rsa.h \
  51           salsa20.h sexp.h \
  52           serpent.h sha.h sha1.h sha2.h sha3.h twofish.h \
  53 -         umac.h yarrow.h poly1305.h
  54 +         umac.h yarrow.h poly1305.h $(OPT_HOGWEED_HEADERS)
  55
  56  INSTALL_HEADERS = $(HEADERS) nettle-stdint.h
  57
  58 --- a/bignum.h
  59 +++ b/bignum.h
  60 @@ -36,7 +36,11 @@
  61
  62  #include "nettle-meta.h"
  63
  64 -#include <gmp.h>
  65 +#ifdef USE_MINI_GMP
  66 +# include "mini-gmp.h"
  67 +#else
  68 +# include <gmp.h>
  69 +#endif
  70  #include "nettle-types.h"
  71
  72  #ifdef __cplusplus
  73 --- a/configure.ac
  74 +++ b/configure.ac
  75 @@ -72,6 +72,16 @@ AC_ARG_ENABLE(arm-neon,
  76    AC_HELP_STRING([--enable-arm-neon], [Enable ARM Neon assembly. (default=auto)]),,
  77    [enable_arm_neon=auto])
  78
  79 +AC_ARG_ENABLE(mini-gmp,
  80 +  AC_HELP_STRING([--enable-mini-gmp], [Disable gmp support and enable mini-gmp. (default=disabled)]),,
  81 +  [enable_mini_gmp=no])
  82 +
  83 +if test "x$enable_mini_gmp" = xyes ; then
  84 +GMP_LIBS=""
  85 +else
  86 +GMP_LIBS="-lgmp"
  87 +fi
  88 +
  89  LSH_RPATH_INIT([`echo $with_lib_path | sed 's/:/ /g'` \
  90      `echo $exec_prefix | sed "s@^NONE@$prefix/lib@g" | sed "s@^NONE@$ac_default_prefix/lib@g"` \
  91      /usr/local/lib /sw/local/lib /sw/lib \
  92 @@ -441,7 +451,7 @@ case "$host_os" in
  93      LIBHOGWEED_SONAME='libhogweed.$(LIBHOGWEED_MAJOR).dylib'
  94      LIBHOGWEED_FILE='libhogweed.$(LIBHOGWEED_MAJOR).$(LIBHOGWEED_MINOR).dylib'
  95      LIBHOGWEED_LINK='$(CC) $(CFLAGS) -dynamiclib -L. $(LDFLAGS) -install_name ${libdir}/$(LIBHOGWEED_SONAME) -compatibility_version $(LIBHOGWEED_MAJOR) -current_version $(LIBHOGWEED_MAJOR).$(LIBHOGWEED_MINOR)'
  96 -    LIBHOGWEED_LIBS='-lnettle -lgmp'
  97 +    LIBHOGWEED_LIBS='-lnettle $(GMP_LIBS)'
  98      ;;
  99    solaris*)
 100      # Sun's ld uses -h to set the soname, and this option is passed
 101 @@ -457,7 +467,7 @@ case "$host_os" in
 102      LIBHOGWEED_SONAME='$(LIBHOGWEED_FORLINK).$(LIBHOGWEED_MAJOR)'
 103      LIBHOGWEED_FILE='$(LIBHOGWEED_SONAME).$(LIBHOGWEED_MINOR)'
 104      LIBHOGWEED_LINK='$(CC) $(CFLAGS) $(LDFLAGS) -G -h $(LIBHOGWEED_SONAME)'
 105 -    LIBHOGWEED_LIBS='libnettle.so -lgmp'
 106 +    LIBHOGWEED_LIBS='libnettle.so $(GMP_LIBS)'
 107      ;;
 108    *)
 109      LIBNETTLE_FORLINK=libnettle.so
 110 @@ -474,7 +484,7 @@ case "$host_os" in
 111      # (does not work in general, e.g., with static linking all of
 112      # -lhogweed -lgmp -lnettle are still required). Also makes dlopen
 113      # of libhogweed.so work, without having to use RTLD_GLOBAL.
 114 -    LIBHOGWEED_LIBS='libnettle.so -lgmp'
 115 +    LIBHOGWEED_LIBS='libnettle.so $(GMP_LIBS)'
 116      ;;
 117  esac
 118
 119 @@ -692,7 +702,18 @@ if test "x$nettle_cv_fcntl_locking" = "x
 120  fi
 121
 122  # Checks for libraries
 123 +TESTSUITE_LIBS=""
 124 +
 125 +OPT_HOGWEED_SOURCES=""
 126 +OPT_HOGWEED_HEADERS=""
 127  if test "x$enable_public_key" = "xyes" ; then
 128 +if test "x$enable_mini_gmp" = xyes ; then
 129 +  OPT_HOGWEED_SOURCES="$OPT_HOGWEED_SOURCES mini-gmp.c"
 130 +  OPT_HOGWEED_HEADERS="$OPT_HOGWEED_HEADERS mini-gmp.h"
 131 +  AC_DEFINE([USE_MINI_GMP], 1, [Use mini-gmp instead of gmp])
 132 +  IF_NOT_MINI_GMP='#'
 133 +  GMP_NUMB_BITS="0"
 134 +else
 135    AC_CHECK_LIB(gmp, __gmpz_getlimbn,,
 136        [AC_MSG_WARN(
 137    [GNU MP not found, or not 3.1 or up, see http://gmplib.org/.
 138 @@ -701,9 +722,7 @@ if test "x$enable_public_key" = "xyes" ;
 139
 140    # Add -R flags needed to run programs linked with gmp
 141    LSH_RPATH_FIX
 142 -fi
 143
 144 -if test "x$enable_public_key" = "xyes" ; then
 145    # Check for gmp limb size
 146    nettle_cv_gmp_numb_bits=0
 147    if test "$enable_public_key" = yes; then
 148 @@ -714,12 +733,23 @@ if test "x$enable_public_key" = "xyes" ;
 149
 150      AC_MSG_RESULT([$nettle_cv_gmp_numb_bits bits])
 151    fi
 152 +
 153
 154    GMP_NUMB_BITS="$nettle_cv_gmp_numb_bits"
 155    AC_SUBST([GMP_NUMB_BITS])
 156
 157    AH_TEMPLATE([HAVE_MPZ_POWM_SEC], [Define if mpz_powm_sec is available (appeared in GMP-5)])
 158    AC_CHECK_FUNC(__gmpz_powm_sec, [AC_DEFINE(HAVE_MPZ_POWM_SEC)])
 159 +  IF_NOT_MINI_GMP=''
 160 +  TESTSUITE_LIBS="-lgmp"
 161 +fi
 162 +  AC_SUBST([GMP_LIBS])
 163 +dnl The testsuite requires gmp
 164 +AC_SUBST([TESTSUITE_LIBS])
 165 +AC_SUBST([GMP_NUMB_BITS])
 166 +AC_SUBST([OPT_HOGWEED_SOURCES])
 167 +AC_SUBST([OPT_HOGWEED_HEADERS])
 168 +
 169  fi
 170
 171  AH_TEMPLATE([WITH_HOGWEED], [Defined if public key features are enabled])
 172 @@ -765,6 +795,7 @@ else
 173    IF_DOCUMENTATION='#'
 174  fi
 175
 176 +AC_SUBST(IF_NOT_MINI_GMP)
 177  AC_SUBST(IF_HOGWEED)
 178  AC_SUBST(IF_STATIC)
 179  AC_SUBST(IF_SHARED)
 180 --- a/dsa.h
 181 +++ b/dsa.h
 182 @@ -34,7 +34,7 @@
 183  #ifndef NETTLE_DSA_H_INCLUDED
 184  #define NETTLE_DSA_H_INCLUDED
 185
 186 -#include <gmp.h>
 187 +#include "bignum.h"
 188
 189  #include "nettle-types.h"
 190
 191 --- a/ecc-internal.h
 192 +++ b/ecc-internal.h
 193 @@ -34,7 +34,7 @@
 194  #ifndef NETTLE_ECC_INTERNAL_H_INCLUDED
 195  #define NETTLE_ECC_INTERNAL_H_INCLUDED
 196
 197 -#include <gmp.h>
 198 +#include "bignum.h"
 199
 200  #include "nettle-types.h"
 201  #include "ecc-curve.h"
 202 --- a/ecc.h
 203 +++ b/ecc.h
 204 @@ -34,7 +34,7 @@
 205  #ifndef NETTLE_ECC_H_INCLUDED
 206  #define NETTLE_ECC_H_INCLUDED
 207
 208 -#include <gmp.h>
 209 +#include "bignum.h"
 210
 211  #include "nettle-types.h"
 212
 213 --- a/eccdata.c
 214 +++ b/eccdata.c
 215 @@ -33,11 +33,14 @@
 216
 217  /* Development of Nettle's ECC support was funded by the .SE Internet Fund. */
 218
 219 +#include "config.h"
 220 +
 221  #include <assert.h>
 222  #include <stdio.h>
 223  #include <stdlib.h>
 224  #include <string.h>
 225
 226 +#include "mini-gmp.h"
 227  #include "mini-gmp.c"
 228
 229  /* Affine coordinates, for simplicity. Infinity point represented as x
 230 @@ -904,6 +907,7 @@ int
 231  main (int argc, char **argv)
 232  {
 233    struct ecc_curve ecc;
 234 +  unsigned bits;
 235
 236    if (argc < 4)
 237      {
 238 @@ -911,6 +915,7 @@ main (int argc, char **argv)
 239        return EXIT_FAILURE;
 240      }
 241
 242 +  bits = atoi(argv[4]);
 243    ecc_curve_init (&ecc, atoi(argv[1]));
 244
 245    ecc_pippenger_precompute (&ecc, atoi(argv[2]), atoi(argv[3]));
 246 @@ -921,7 +926,12 @@ main (int argc, char **argv)
 247    ecc_curve_check (&ecc);
 248
 249    if (argc > 4)
 250 -    output_curve (&ecc, atoi(argv[4]));
 251 +    {
 252 +      /* when using mini-gmp we cannot estimate it on configure */
 253 +      if (bits == 0)
 254 +        bits = GMP_NUMB_BITS;
 255 +      output_curve (&ecc, bits);
 256 +    }
 257
 258    return EXIT_SUCCESS;
 259  }
 260 --- a/examples/Makefile.in
 261 +++ b/examples/Makefile.in
 262 @@ -11,7 +11,7 @@ PRE_CPPFLAGS = -I.. -I$(top_srcdir)
 263  PRE_LDFLAGS = -L..
 264
 265  OPENSSL_LIBFLAGS = @OPENSSL_LIBFLAGS@
 266 -BENCH_LIBS = @BENCH_LIBS@ -lm
 267 +BENCH_LIBS = @BENCH_LIBS@ $(TESTSUITE_LIBS) -lm
 268
 269  HOGWEED_TARGETS = rsa-keygen$(EXEEXT) rsa-sign$(EXEEXT) \
 270               rsa-verify$(EXEEXT) rsa-encrypt$(EXEEXT) rsa-decrypt$(EXEEXT) \
 271 --- a/examples/ecc-benchmark.c
 272 +++ b/examples/ecc-benchmark.c
 273 @@ -46,6 +46,8 @@
 274
 275  #include "timing.h"
 276
 277 +#undef USE_MINI_GMP
 278 +#include <gmp.h>
 279  #include "../ecc.h"
 280  #include "../ecc-internal.h"
 281  #include "../gmp-glue.h"
 282 --- a/gmp-glue.c
 283 +++ b/gmp-glue.c
 284 @@ -271,3 +271,4 @@ gmp_free(void *p, size_t n)
 285
 286    free_func (p, (size_t) n);
 287  }
 288 +
 289 --- a/gmp-glue.h
 290 +++ b/gmp-glue.h
 291 @@ -33,7 +33,7 @@
 292  #ifndef NETTLE_GMP_GLUE_H_INCLUDED
 293  #define NETTLE_GMP_GLUE_H_INCLUDED
 294
 295 -#include <gmp.h>
 296 +#include "bignum.h"
 297
 298  #include "nettle-stdint.h"
 299
 300 --- a/hogweed.pc.in
 301 +++ b/hogweed.pc.in
 302 @@ -13,6 +13,6 @@ URL: http://www.lysator.liu.se/~nisse/ne
 303  Version: @PACKAGE_VERSION@
 304  Requires.private: nettle
 305  Libs: -L${libdir} -lhogweed
 306 -Libs.private: -lgmp
 307 +Libs.private: @GMP_LIBS@
 308  Cflags: -I${includedir}
 309
 310 --- a/mini-gmp.c
 311 +++ b/mini-gmp.c
 312 @@ -1388,7 +1388,7 @@ mpz_clear (mpz_t r)
 313    gmp_free (r->_mp_d);
 314  }
 315
 316 -static void *
 317 +void *
 318  mpz_realloc (mpz_t r, mp_size_t size)
 319  {
 320    size = GMP_MAX (size, 1);
 321 --- a/mini-gmp.h
 322 +++ b/mini-gmp.h
 323 @@ -70,6 +70,11 @@ typedef struct
 324    mp_limb_t *_mp_d;            /* Pointer to the limbs.  */
 325  } __mpz_struct;
 326
 327 +typedef __mpz_struct MP_INT;
 328 +
 329 +#define GMP_NUMB_BITS (SIZEOF_LONG*8)
 330 +#define GMP_NUMB_MASK (~0)
 331 +
 332  typedef __mpz_struct mpz_t[1];
 333
 334  typedef __mpz_struct *mpz_ptr;
 335 @@ -119,6 +124,10 @@ void mpz_init (mpz_t);
 336  void mpz_init2 (mpz_t, mp_bitcnt_t);
 337  void mpz_clear (mpz_t);
 338
 339 +void *
 340 +mpz_realloc (mpz_t r, mp_size_t size);
 341 +#define _mpz_realloc mpz_realloc
 342 +
 343  #define mpz_odd_p(z)   (((z)->_mp_size != 0) & (int) (z)->_mp_d[0])
 344  #define mpz_even_p(z)  (! mpz_odd_p (z))
 345
 346 --- a/pkcs1.h
 347 +++ b/pkcs1.h
 348 @@ -34,7 +34,7 @@
 349  #ifndef NETTLE_PKCS1_H_INCLUDED
 350  #define NETTLE_PKCS1_H_INCLUDED
 351
 352 -#include <gmp.h>
 353 +#include "bignum.h"
 354  #include "nettle-types.h"
 355
 356  #ifdef __cplusplus
 357 --- a/rsa.h
 358 +++ b/rsa.h
 359 @@ -34,7 +34,7 @@
 360  #ifndef NETTLE_RSA_H_INCLUDED
 361  #define NETTLE_RSA_H_INCLUDED
 362
 363 -#include <gmp.h>
 364 +#include "bignum.h"
 365  #include "nettle-types.h"
 366
 367  #include "md5.h"
 368 --- a/testsuite/Makefile.in
 369 +++ b/testsuite/Makefile.in
 370 @@ -50,7 +50,7 @@ TS_HOGWEED = $(TS_HOGWEED_SOURCES:.c=$(E
 371  TS_C = $(TS_NETTLE) @IF_HOGWEED@ $(TS_HOGWEED)
 372  TS_CXX = @IF_CXX@ $(CXX_SOURCES:.cxx=$(EXEEXT))
 373  TARGETS = $(TS_C) $(TS_CXX)
 374 -TS_SH = sexp-conv-test pkcs1-conv-test nettle-pbkdf2-test symbols-test
 375 +TS_SH = sexp-conv-test pkcs1-conv-test nettle-pbkdf2-test symbols-test @IF_NOT_MINI_GMP@
 376  TS_ALL = $(TARGETS) $(TS_SH)
 377  EXTRA_SOURCES = sha1-huge-test.c
 378  EXTRA_TARGETS = $(EXTRA_SOURCES:.c=$(EXEEXT))
 379 @@ -78,7 +78,7 @@ all: $(EXTRA_TARGETS)
 380
 381  LIB_HOGWEED = @IF_HOGWEED@ -lhogweed
 382  TEST_OBJS = testutils.$(OBJEXT) ../nettle-internal.$(OBJEXT) \
 383 -           $(LIB_HOGWEED) -lnettle $(LIBS)
 384 +           $(LIB_HOGWEED) -lnettle $(LIBS) $(TESTSUITE_LIBS)
 385
 386  ../nettle-internal.$(OBJEXT):
 387         ( cd .. && $(MAKE) nettle-internal.$(OBJEXT) )
 388 --- a/testsuite/testutils.h
 389 +++ b/testsuite/testutils.h
 390 @@ -12,11 +12,10 @@
 391  #include <stdio.h>
 392  #include <string.h>
 393
 394 -#if HAVE_LIBGMP
 395 -# include "bignum.h"
 396 -#endif
 397
 398  #if WITH_HOGWEED
 399 +# include <gmp.h>
 400 +# undef USE_MINI_GMP
 401  # include "rsa.h"
 402  # include "dsa-compat.h"
 403  # include "ecc-curve.h"