Also, use the common Configure mechanism for enabling/disabling the 64-bit ECC code.
*) Add optional 64-bit optimized implementations of elliptic curves NIST-P224,
NIST-P256, NIST-P521, with constant-time single point multiplication on
typical inputs. Compiler support for the nonstandard type __uint128_t is
- required to use this. Code made available under Apache License version 2.0.
+ required to use this (present in gcc 4.4 and later, for 64-bit builds).
+ Code made available under Apache License version 2.0.
- To include this in your build of OpenSSL, use -DEC_NISTP_64_GCC_128 on
- the Configure (or config) command line, and run "make depend" (or "make
- update"). This enables the following EC_METHODs:
+ Specify "enable-ec_nistp_64_gcc_128" on the Configure (or config) command
+ line to include this in your build of OpenSSL, and run "make depend" (or
+ "make update"). This enables the following EC_METHODs:
EC_GFp_nistp224_method()
EC_GFp_nistp256_method()
"debug-ben-no-opt", "gcc: -Wall -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG -Werror -DL_ENDIAN -DTERMIOS -Wall -g3::(unknown)::::::",
"debug-ben-strict", "gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DCONST_STRICT -O2 -Wall -Wshadow -Werror -Wpointer-arith -Wcast-qual -Wwrite-strings -pipe::(unknown)::::::",
"debug-rse","cc:-DTERMIOS -DL_ENDIAN -pipe -O -g -ggdb3 -Wall::(unknown):::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}",
-"debug-bodo", "gcc:-DL_ENDIAN -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBIO_PAIR_DEBUG -DPEDANTIC -g -march=i486 -pedantic -Wshadow -Wall -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wundef -Wconversion::-D_REENTRANT:::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}",
+"debug-bodo", "gcc:$gcc_devteam_warn -DBN_DEBUG -DBN_DEBUG_RAND -DCONF_DEBUG -DBIO_PAIR_DEBUG -m64 -DL_ENDIAN -DTERMIO -g -DMD32_REG_T=int::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
"debug-ulf", "gcc:-DTERMIOS -DL_ENDIAN -march=i486 -Wall -DBN_DEBUG -DBN_DEBUG_RAND -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DOPENSSL_NO_ASM -g -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations:::CYGWIN32:::${no_asm}:win32:cygwin-shared:::.dll",
"debug-steve64", "gcc:$gcc_devteam_warn -m64 -DL_ENDIAN -DTERMIO -DCONF_DEBUG -DDEBUG_SAFESTACK -g::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
"debug-steve32", "gcc:$gcc_devteam_warn -m32 -DL_ENDIAN -DCONF_DEBUG -DDEBUG_SAFESTACK -g -pipe::-D_REENTRANT::-rdynamic -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC:-m32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
# All of the following is disabled by default (RC5 was enabled before 0.9.8):
my %disabled = ( # "what" => "comment" [or special keyword "experimental"]
- "ec-nistp224-64-gcc-128" => "default",
+ "ec_nistp_64_gcc_128" => "default",
"gmp" => "default",
"jpake" => "experimental",
"md2" => "default",
# This is what $depflags will look like with the above defaults
# (we need this to see if we should advise the user to run "make depend"):
-my $default_depflags = " -DOPENSSL_NO_EC_NISTP224_64_GCC_128 -DOPENSSL_NO_GMP -DOPENSSL_NO_JPAKE -DOPENSSL_NO_MD2 -DOPENSSL_NO_RC5 -DOPENSSL_NO_RFC3779 -DOPENSSL_NO_STORE";
+my $default_depflags = " -DOPENSSL_NO_EC_NISTP_64_GCC_128 -DOPENSSL_NO_GMP -DOPENSSL_NO_JPAKE -DOPENSSL_NO_MD2 -DOPENSSL_NO_RC5 -DOPENSSL_NO_RFC3779 -DOPENSSL_NO_STORE";
# Explicit "no-..." options will be collected in %disabled along with the defaults.
# To remove something from %disabled, use "enable-foo" (unless it's experimental).
*** debug-bodo
$cc = gcc
-$cflags = -DL_ENDIAN -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBIO_PAIR_DEBUG -DPEDANTIC -g -march=i486 -pedantic -Wshadow -Wall -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wundef -Wconversion
+$cflags = -Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Werror -DCRYPTO_MDEBUG_ALL -DCRYPTO_MDEBUG_ABORT -DREF_CHECK -DOPENSSL_NO_DEPRECATED -DBN_DEBUG -DBN_DEBUG_RAND -DCONF_DEBUG -DBIO_PAIR_DEBUG -m64 -DL_ENDIAN -DTERMIO -g -DMD32_REG_T=int
$unistd =
$thread_cflag = -D_REENTRANT
$sys_id =
-$lflags =
-$bn_ops = BN_LLONG DES_PTR DES_RISC1 DES_UNROLL RC4_INDEX MD2_INT
-$cpuid_obj = x86cpuid.o
-$bn_obj = bn-586.o co-586.o x86-mont.o x86-gf2m.o
-$des_obj = des-586.o crypt586.o
-$aes_obj = aes-586.o vpaes-x86.o aesni-x86.o
-$bf_obj = bf-586.o
-$md5_obj = md5-586.o
-$sha1_obj = sha1-586.o sha256-586.o sha512-586.o
-$cast_obj = cast-586.o
-$rc4_obj = rc4-586.o
-$rmd160_obj = rmd-586.o
-$rc5_obj = rc5-586.o
-$wp_obj = wp_block.o wp-mmx.o
-$cmll_obj = cmll-x86.o
-$modes_obj = ghash-x86.o
-$engines_obj = e_padlock-x86.o
+$lflags = -ldl
+$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL
+$cpuid_obj = x86_64cpuid.o
+$bn_obj = x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o modexp512-x86_64.o
+$des_obj =
+$aes_obj = aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o
+$bf_obj =
+$md5_obj = md5-x86_64.o
+$sha1_obj = sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o
+$cast_obj =
+$rc4_obj = rc4-x86_64.o rc4-md5-x86_64.o
+$rmd160_obj =
+$rc5_obj =
+$wp_obj = wp-x86_64.o
+$cmll_obj = cmll-x86_64.o cmll_misc.o
+$modes_obj = ghash-x86_64.o
+$engines_obj = e_padlock-x86_64.o
$perlasm_scheme = elf
-$dso_scheme =
-$shared_target=
-$shared_cflag =
-$shared_ldflag =
-$shared_extension =
+$dso_scheme = dlfcn
+$shared_target= linux-shared
+$shared_cflag = -fPIC
+$shared_ldflag = -m64
+$shared_extension = .so.$(SHLIB_MAJOR).$(SHLIB_MINOR)
$ranlib =
$arflags =
-$multilib =
+$multilib = 64
*** debug-darwin-i386-cc
$cc = cc
$arflags =
$multilib =
+*** vxworks-mips
+$cc = ccmips
+$cflags = -B$(WIND_BASE)/host/$(WIND_HOST_TYPE)/lib/gcc-lib/ -D_VSB_CONFIG_FILE="$(WIND_BASE)/target/lib/h/config/vsbConfig.h" -DB_ENDIAN -DCPU=MIPS32 -G 0 -mips2 -EB -Wl,-EB -msoft-float -mno-branch-likely -DTOOL_FAMILY=gnu -DTOOL=gnu -fno-builtin -fno-defer-pop -DNO_STRINGS_H -I$(WIND_BASE)/target/h -I$(WIND_BASE)/target/h/wrn/coreip
+$unistd =
+$thread_cflag =
+$sys_id = VXWORKS
+$lflags = -r
+$bn_ops =
+$cpuid_obj =
+$bn_obj =
+$des_obj =
+$aes_obj =
+$bf_obj =
+$md5_obj =
+$sha1_obj =
+$cast_obj =
+$rc4_obj =
+$rmd160_obj =
+$rc5_obj =
+$wp_obj =
+$cmll_obj =
+$modes_obj =
+$engines_obj =
+$perlasm_scheme = void
+$dso_scheme =
+$shared_target=
+$shared_cflag =
+$shared_ldflag =
+$shared_extension =
+$ranlib = ranlibmips
+$arflags =
+$multilib =
+
*** vxworks-mipsle
$cc = ccmips
$cflags = -B$(WIND_BASE)/host/$(WIND_HOST_TYPE)/lib/gcc-lib/ -DL_ENDIAN -EL -Wl,-EL -mips2 -mno-branch-likely -G 0 -fno-builtin -msoft-float -DCPU=MIPS32 -DMIPSEL -DNO_STRINGS_H -I$(WIND_BASE)/target/h
$ranlib =
$arflags =
$multilib =
+
+*** vxworks-simlinux
+$cc = ccpentium
+$cflags = -B$(WIND_BASE)/host/$(WIND_HOST_TYPE)/lib/gcc-lib/ -D_VSB_CONFIG_FILE="$(WIND_BASE)/target/lib/h/config/vsbConfig.h" -DL_ENDIAN -DCPU=SIMLINUX -DTOOL_FAMILY=gnu -DTOOL=gnu -fno-builtin -fno-defer-pop -DNO_STRINGS_H -I$(WIND_BASE)/target/h -I$(WIND_BASE)/target/h/wrn/coreip -DOPENSSL_NO_HW_PADLOCK
+$unistd =
+$thread_cflag =
+$sys_id = VXWORKS
+$lflags = -r
+$bn_ops =
+$cpuid_obj =
+$bn_obj =
+$des_obj =
+$aes_obj =
+$bf_obj =
+$md5_obj =
+$sha1_obj =
+$cast_obj =
+$rc4_obj =
+$rmd160_obj =
+$rc5_obj =
+$wp_obj =
+$cmll_obj =
+$modes_obj =
+$engines_obj =
+$perlasm_scheme = void
+$dso_scheme =
+$shared_target=
+$shared_cflag =
+$shared_ldflag =
+$shared_extension =
+$ranlib = ranlibpentium
+$arflags =
+$multilib =
*/
const EC_METHOD *EC_GFp_nist_method(void);
-#ifdef EC_NISTP_64_GCC_128
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
#ifndef OPENSSL_SYS_WIN32
/** Returns 64-bit optimized methods for nistp224
* \return EC_METHOD object
#include "ec_lcl.h"
#include <openssl/err.h>
#include <openssl/obj_mac.h>
+#include <openssl/opensslconf.h>
typedef struct {
int field_type, /* either NID_X9_62_prime_field or
/* SECG secp192r1 is the same as X9.62 prime192v1 and hence omitted */
{ NID_secp192k1, &_EC_SECG_PRIME_192K1.h, 0, "SECG curve over a 192 bit prime field" },
{ NID_secp224k1, &_EC_SECG_PRIME_224K1.h, 0, "SECG curve over a 224 bit prime field" },
-#ifdef EC_NISTP_64_GCC_128
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
{ NID_secp224r1, &_EC_NIST_PRIME_224.h, EC_GFp_nistp224_method, "NIST/SECG curve over a 224 bit prime field" },
#else
{ NID_secp224r1, &_EC_NIST_PRIME_224.h, 0, "NIST/SECG curve over a 224 bit prime field" },
{ NID_secp256k1, &_EC_SECG_PRIME_256K1.h, 0, "SECG curve over a 256 bit prime field" },
/* SECG secp256r1 is the same as X9.62 prime256v1 and hence omitted */
{ NID_secp384r1, &_EC_NIST_PRIME_384.h, 0, "NIST/SECG curve over a 384 bit prime field" },
-#ifdef EC_NISTP_64_GCC_128
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
{ NID_secp521r1, &_EC_NIST_PRIME_521.h, EC_GFp_nistp521_method, "NIST/SECG curve over a 521 bit prime field" },
#else
{ NID_secp521r1, &_EC_NIST_PRIME_521.h, 0, "NIST/SECG curve over a 521 bit prime field" },
{ NID_X9_62_prime239v1, &_EC_X9_62_PRIME_239V1.h, 0, "X9.62 curve over a 239 bit prime field" },
{ NID_X9_62_prime239v2, &_EC_X9_62_PRIME_239V2.h, 0, "X9.62 curve over a 239 bit prime field" },
{ NID_X9_62_prime239v3, &_EC_X9_62_PRIME_239V3.h, 0, "X9.62 curve over a 239 bit prime field" },
-#ifdef EC_NISTP_64_GCC_128
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
{ NID_X9_62_prime256v1, &_EC_X9_62_PRIME_256V1.h, EC_GFp_nistp256_method, "X9.62/SECG curve over a 256 bit prime field" },
#else
{ NID_X9_62_prime256v1, &_EC_X9_62_PRIME_256V1.h, 0, "X9.62/SECG curve over a 256 bit prime field" },
int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
int ec_GF2m_have_precompute_mult(const EC_GROUP *group);
-#ifdef EC_NISTP_64_GCC_128
/* method functions in ec2_mult.c */
int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *);
int ec_GF2m_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
int ec_GF2m_have_precompute_mult(const EC_GROUP *group);
+#ifndef OPENSSL_EC_NISTP_64_GCC_128
/* method functions in ecp_nistp224.c */
int ec_GFp_nistp224_group_init(EC_GROUP *group);
int ec_GFp_nistp224_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *n, BN_CTX *);
* Inspired by Daniel J. Bernstein's public domain nistp224 implementation
* and Adam Langley's public domain 64-bit C implementation of curve25519
*/
-#ifdef EC_NISTP_64_GCC_128
+
+#include <openssl/opensslconf.h>
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
+
#include <stdint.h>
#include <string.h>
#include <openssl/err.h>
ec_GFp_simple_get_Jprojective_coordinates_GFp,
ec_GFp_simple_point_set_affine_coordinates,
ec_GFp_nistp224_point_get_affine_coordinates,
- 0 /* point_set_compressed_coordinates */,
- 0 /* point2oct */,
- 0 /* oct2point */,
+ 0 /* point_set_compressed_coordinates */,
+ 0 /* point2oct */,
+ 0 /* oct2point */,
ec_GFp_simple_add,
ec_GFp_simple_dbl,
ec_GFp_simple_invert,
felem_assign(z3, z_out);
}
-/* select_point selects the |index|th point from a precomputation table and
+/* select_point selects the |idx|th point from a precomputation table and
* copies it to out. */
-static void select_point(const u64 index, unsigned int size, const felem pre_comp[/*size*/][3], felem out[3])
+static void select_point(const u64 idx, unsigned int size, const felem pre_comp[/*size*/][3], felem out[3])
{
unsigned i, j;
limb *outlimbs = &out[0][0];
for (i = 0; i < size; i++)
{
const limb *inlimbs = &pre_comp[i][0][0];
- u64 mask = i ^ index;
+ u64 mask = i ^ idx;
mask |= mask >> 4;
mask |= mask >> 2;
mask |= mask >> 1;
* work which got its smarts from Daniel J. Bernstein's work on the same.
*/
-#ifdef EC_NISTP_64_GCC_128
+#include <openssl/opensslconf.h>
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
#include <stdint.h>
#include <string.h>
static void felem_shrink(smallfelem out, const felem in)
{
felem tmp;
+ u64 a, b, mask;
+ s64 high, low;
+ static const u64 kPrime3Test = 0x7fffffff00000001ul; /* 2^63 - 2^32 + 1 */
+
/* Carry 2->3 */
tmp[3] = zero110[3] + in[3] + ((u64) (in[2] >> 64));
/* tmp[3] < 2^110 */
/* We perform two partial reductions where we eliminate the
* high-word of tmp[3]. We don't update the other words till the end.
*/
- u64 a = tmp[3] >> 64; /* a < 2^46 */
+ a = tmp[3] >> 64; /* a < 2^46 */
tmp[3] = (u64) tmp[3];
tmp[3] -= a;
tmp[3] += ((limb)a) << 32;
/* tmp[3] < 2^79 */
- u64 b = a;
+ b = a;
a = tmp[3] >> 64; /* a < 2^15 */
b += a; /* b < 2^46 + 2^15 < 2^47 */
tmp[3] = (u64) tmp[3];
/* In order to make space in tmp[3] for the carry from 2 -> 3, we
* conditionally subtract kPrime if tmp[3] is large enough. */
- static const u64 kPrime3Test = 0x7fffffff00000001ul; /* 2^63 - 2^32 + 1 */
- s64 high = tmp[3] >> 64;
+ high = tmp[3] >> 64;
/* As tmp[3] < 2^65, high is either 1 or 0 */
high <<= 63;
high >>= 63;
/* high is:
* all ones if the high word of tmp[3] is 1
* all zeros if the high word of tmp[3] if 0 */
- s64 low = tmp[3];
- u64 mask = low >> 63;
+ low = tmp[3];
+ mask = low >> 63;
/* mask is:
* all ones if the MSB of low is 1
* all zeros if the MSB of low if 0 */
* compare each u64, from most-significant to least significant. For
* each one, if all words so far have been equal (m is all ones) then a
* non-equal result is the answer. Otherwise we continue. */
- for (i = 3; i < 4; i--) {
+ for (i = 3; i < 4; i--)
+ {
+ u64 equal;
uint128_t a = ((uint128_t) kPrime[i]) - out[i];
/* if out[i] > kPrime[i] then a will underflow and the high
* 64-bits will all be set. */
/* if kPrime[i] == out[i] then |equal| will be all zeros and
* the decrement will make it all ones. */
- u64 equal = kPrime[i] ^ out[i];
+ equal = kPrime[i] ^ out[i];
equal--;
equal &= equal << 32;
equal &= equal << 16;
equal = ((s64) equal) >> 63;
all_equal_so_far &= equal;
- }
+ }
/* if all_equal_so_far is still all ones then the two values are equal
* and so out >= kPrime is true. */
static limb smallfelem_is_zero(const smallfelem small)
{
limb result;
+ u64 is_p;
u64 is_zero = small[0] | small[1] | small[2] | small[3];
is_zero--;
is_zero &= is_zero << 1;
is_zero = ((s64) is_zero) >> 63;
- u64 is_p = (small[0] ^ kPrime[0]) |
- (small[1] ^ kPrime[1]) |
- (small[2] ^ kPrime[2]) |
- (small[3] ^ kPrime[3]);
+ is_p = (small[0] ^ kPrime[0]) |
+ (small[1] ^ kPrime[1]) |
+ (small[2] ^ kPrime[2]) |
+ (small[3] ^ kPrime[3]);
is_p--;
is_p &= is_p << 32;
is_p &= is_p << 16;
{0x501e82885bc98cda, 0x41ef80e5d046ac04, 0x557d9f49461210fb, 0x4ab5b6b2b8753f81},
{1, 0, 0, 0}}}};
-/* select_point selects the |index|th point from a precomputation table and
+/* select_point selects the |idx|th point from a precomputation table and
* copies it to out. */
-static void select_point(const u64 index, unsigned int size, const smallfelem pre_comp[16][3], smallfelem out[3])
+static void select_point(const u64 idx, unsigned int size, const smallfelem pre_comp[16][3], smallfelem out[3])
{
unsigned i, j;
u64 *outlimbs = &out[0][0];
for (i = 0; i < size; i++)
{
const u64 *inlimbs = (u64*) &pre_comp[i][0][0];
- u64 mask = i ^ index;
+ u64 mask = i ^ idx;
mask |= mask >> 4;
mask |= mask >> 2;
mask |= mask >> 1;
ec_GFp_simple_get_Jprojective_coordinates_GFp,
ec_GFp_simple_point_set_affine_coordinates,
ec_GFp_nistp256_point_get_affine_coordinates,
- 0 /* point_set_compressed_coordinates */,
- 0 /* point2oct */,
- 0 /* oct2point */,
+ 0 /* point_set_compressed_coordinates */,
+ 0 /* point2oct */,
+ 0 /* oct2point */,
ec_GFp_simple_add,
ec_GFp_simple_dbl,
ec_GFp_simple_invert,
felem_contract(y_out, y_in);
if (y != NULL)
{
- if (!smallfelem_to_BN(y, y_out)) {
- ECerr(EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES,
- ERR_R_BN_LIB);
- return 0;
- }
+ if (!smallfelem_to_BN(y, y_out))
+ {
+ ECerr(EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES,
+ ERR_R_BN_LIB);
+ return 0;
+ }
}
return 1;
}
-static void make_points_affine(size_t num, smallfelem points[num][3], smallfelem tmp_smallfelems[num+1])
+static void make_points_affine(size_t num, smallfelem points[/* num */][3], smallfelem tmp_smallfelems[/* num+1 */])
{
/* Runs in constant time, unless an input is the point at infinity
* (which normally shouldn't happen). */
* work which got its smarts from Daniel J. Bernstein's work on the same.
*/
-#ifdef EC_NISTP_64_GCC_128
+#include <openssl/opensslconf.h>
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
#include <stdint.h>
#include <string.h>
*/
static void felem_diff_128_64(largefelem out, const felem in)
{
- // In order to prevent underflow, we add 0 mod p before subtracting.
+ /* In order to prevent underflow, we add 0 mod p before subtracting. */
static const limb two63m6 = (((limb)1) << 62) - (((limb)1) << 5);
static const limb two63m5 = (((limb)1) << 62) - (((limb)1) << 4);
*/
static void felem_diff128(largefelem out, const largefelem in)
{
- // In order to prevent underflow, we add 0 mod p before subtracting.
+ /* In order to prevent underflow, we add 0 mod p before subtracting. */
static const uint128_t two127m70 = (((uint128_t)1) << 127) - (((uint128_t)1) << 70);
static const uint128_t two127m69 = (((uint128_t)1) << 127) - (((uint128_t)1) << 69);
* the inputs to the multiplication. If we want to double for both this
* reason, and the reason above, then we end up multiplying by four. */
- // 9
+ /* 9 */
out[0] += ((uint128_t) in[1]) * inx4[8] +
((uint128_t) in[2]) * inx4[7] +
((uint128_t) in[3]) * inx4[6] +
((uint128_t) in[4]) * inx4[5];
- // 10
+ /* 10 */
out[1] += ((uint128_t) in[2]) * inx4[8] +
((uint128_t) in[3]) * inx4[7] +
((uint128_t) in[4]) * inx4[6] +
((uint128_t) in[5]) * inx2[5];
- // 11
+ /* 11 */
out[2] += ((uint128_t) in[3]) * inx4[8] +
((uint128_t) in[4]) * inx4[7] +
((uint128_t) in[5]) * inx4[6];
- // 12
+ /* 12 */
out[3] += ((uint128_t) in[4]) * inx4[8] +
((uint128_t) in[5]) * inx4[7] +
((uint128_t) in[6]) * inx2[6];
- // 13
+ /* 13 */
out[4] += ((uint128_t) in[5]) * inx4[8] +
((uint128_t) in[6]) * inx4[7];
- // 14
+ /* 14 */
out[5] += ((uint128_t) in[6]) * inx4[8] +
((uint128_t) in[7]) * inx2[7];
- // 15
+ /* 15 */
out[6] += ((uint128_t) in[7]) * inx4[8];
- // 16
+ /* 16 */
out[7] += ((uint128_t) in[8]) * inx2[8];
}
*/
static void felem_reduce(felem out, const largefelem in)
{
+ u64 overflow1, overflow2;
+
out[0] = ((limb) in[0]) & bottom58bits;
out[1] = ((limb) in[1]) & bottom58bits;
out[2] = ((limb) in[2]) & bottom58bits;
out[8] += (((limb) (in[7] >> 64)) & bottom52bits) << 6;
/* out[x > 1] < 2^58 + 2^6 + 2^58 + 2^12
* < 2^59 + 2^13 */
- u64 overflow1 = ((limb) (in[7] >> 64)) >> 52;
+ overflow1 = ((limb) (in[7] >> 64)) >> 52;
overflow1 += ((limb) in[8]) >> 58;
overflow1 += (((limb) (in[8] >> 64)) & bottom52bits) << 6;
- u64 overflow2 = ((limb) (in[8] >> 64)) >> 52;
+ overflow2 = ((limb) (in[8] >> 64)) >> 52;
overflow1 <<= 1; /* overflow1 < 2^13 + 2^7 + 2^59 */
overflow2 <<= 1; /* overflow2 < 2^13 */
is_zero |= ftmp[8];
is_zero--;
- // We know that ftmp[i] < 2^63, therefore the only way that the top bit
- // can be set is if is_zero was 0 before the decrement.
+ /* We know that ftmp[i] < 2^63, therefore the only way that the top bit
+ * can be set is if is_zero was 0 before the decrement. */
is_zero = ((s64) is_zero) >> 63;
is_p = ftmp[0] ^ kPrime[0];
0x0154536a0c6e966a, 0x037964d1286ee9fe, 0x0199bcd90e125055},
{1, 0, 0, 0, 0, 0, 0, 0, 0}}};
-/* select_point selects the |index|th point from a precomputation table and
+/* select_point selects the |idx|th point from a precomputation table and
* copies it to out. */
-static void select_point(const limb index, unsigned int size, const felem pre_comp[size][3],
+static void select_point(const limb idx, unsigned int size, const felem pre_comp[/* size */][3],
felem out[3])
{
unsigned i, j;
for (i = 0; i < size; i++)
{
const limb *inlimbs = &pre_comp[i][0][0];
- limb mask = i ^ index;
+ limb mask = i ^ idx;
mask |= mask >> 4;
mask |= mask >> 2;
mask |= mask >> 1;
ec_GFp_simple_get_Jprojective_coordinates_GFp,
ec_GFp_simple_point_set_affine_coordinates,
ec_GFp_nistp521_point_get_affine_coordinates,
- 0 /* point_set_compressed_coordinates */,
- 0 /* point2oct */,
- 0 /* oct2point */,
+ 0 /* point_set_compressed_coordinates */,
+ 0 /* point2oct */,
+ 0 /* oct2point */,
ec_GFp_simple_add,
ec_GFp_simple_dbl,
ec_GFp_simple_invert,
return 1;
}
-static void make_points_affine(size_t num, felem points[num][3], felem tmp_felems[num+1])
+static void make_points_affine(size_t num, felem points[/* num */][3], felem tmp_felems[/* num+1 */])
{
/* Runs in constant time, unless an input is the point at infinity
* (which normally shouldn't happen). */
* limitations under the License.
*/
-#ifdef EC_NISTP_64_GCC_128
+#include <openssl/opensslconf.h>
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
/*
* Common utility functions for ecp_nistp224.c, ecp_nistp256.c, ecp_nistp521.c.
#include <openssl/objects.h>
#include <openssl/rand.h>
#include <openssl/bn.h>
+#include <openssl/opensslconf.h>
#if defined(_MSC_VER) && defined(_MIPS_) && (_MSC_VER/100==12)
/* suppress "too big too optimize" warning */
return;
}
-#ifdef EC_NISTP_64_GCC_128
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
/* nistp_test_params contains magic numbers for testing our optimized
* implementations of several NIST curves with characteristic > 3. */
struct nistp_test_params
void nistp_single_test(const struct nistp_test_params *test)
{
- fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n", test->degree);
+ BN_CTX *ctx;
BIGNUM *p, *a, *b, *x, *y, *n, *m, *order;
+ EC_GROUP *NISTP;
+ EC_POINT *G, *P, *Q, *Q_CHECK;
+
+ fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n", test->degree);
+ ctx = BN_CTX_new();
p = BN_new();
a = BN_new();
b = BN_new();
x = BN_new(); y = BN_new();
m = BN_new(); n = BN_new(); order = BN_new();
- BN_CTX *ctx = BN_CTX_new();
- EC_GROUP *NISTP;
- EC_POINT *G, *P, *Q, *Q_CHECK;
NISTP = EC_GROUP_new(test->meth());
if(!NISTP) ABORT;
#ifndef OPENSSL_NO_EC2M
char2_field_tests();
#endif
-#ifdef EC_NISTP_64_GCC_128
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
nistp_tests();
#endif
/* test the internal curves */
"SHA256", "SHA512", "RIPEMD",
"MDC2", "WHIRLPOOL", "RSA", "DSA", "DH", "EC", "ECDH", "ECDSA", "EC2M",
"HMAC", "AES", "CAMELLIA", "SEED", "GOST",
- # ECP_NISTP224
- "EC_NISTP224_64_GCC_128",
+ # EC_NISTP_64_GCC_128
+ "EC_NISTP_64_GCC_128",
# Envelope "algorithms"
"EVP", "X509", "ASN1_TYPEDEFS",
# Helper "algorithms"
if ($keyword eq "TLSEXT" && $no_tlsext) { return 0; }
if ($keyword eq "PSK" && $no_psk) { return 0; }
if ($keyword eq "CMS" && $no_cms) { return 0; }
- if ($keyword eq "EC_NISTP224_64_GCC_128" && $no_nistp_gcc)
+ if ($keyword eq "EC_NISTP_64_GCC_128" && $no_nistp_gcc)
{ return 0; }
if ($keyword eq "EC2M" && $no_ec2m) { return 0; }
if ($keyword eq "NEXTPROTONEG" && $no_nextprotoneg) { return 0; }
projects / oweals / openssl.git / commitdiff