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Merge remote-tracking branch 'origin/master'

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# Conflicts:
#	README.md
This commit is contained in:
Zhi Guan
2017-02-14 16:12:29 +08:00
parent d2254170b8
commit 43fed1108d
3503 changed files with 320546 additions and 408546 deletions
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316
crypto/ec/ecp_nistp224.c
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@@ -1,7 +1,12 @@
/* crypto/ec/ecp_nistp224.c */
/*
* Written by Emilia Kasper (Google) for the OpenSSL project.
* Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* Copyright 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -26,14 +31,11 @@
*/
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
# ifndef OPENSSL_SYS_VMS
# include <stdint.h>
# else
# include <inttypes.h>
# endif
#ifdef OPENSSL_NO_EC_NISTP_64_GCC_128
NON_EMPTY_TRANSLATION_UNIT
#else
# include <stdint.h>
# include <string.h>
# include <openssl/err.h>
# include "ec_lcl.h"
@@ -132,84 +134,55 @@ static const felem_bytearray nistp224_curve_params[5] = {
* locations when doing simple scalar multiplies against the base point,
* and then another four locations using the second 16 elements.
*/
static const felem gmul[2][16][3] = { {{{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0}},
{{0x3280d6115c1d21, 0xc1d356c2112234,
0x7f321390b94a03, 0xb70e0cbd6bb4bf},
{0xd5819985007e34, 0x75a05a07476444,
0xfb4c22dfe6cd43, 0xbd376388b5f723},
{1, 0, 0, 0}},
{{0xfd9675666ebbe9, 0xbca7664d40ce5e,
0x2242df8d8a2a43, 0x1f49bbb0f99bc5},
{0x29e0b892dc9c43, 0xece8608436e662,
0xdc858f185310d0, 0x9812dd4eb8d321},
{1, 0, 0, 0}},
{{0x6d3e678d5d8eb8, 0x559eed1cb362f1,
0x16e9a3bbce8a3f, 0xeedcccd8c2a748},
{0xf19f90ed50266d, 0xabf2b4bf65f9df,
0x313865468fafec, 0x5cb379ba910a17},
{1, 0, 0, 0}},
{{0x0641966cab26e3, 0x91fb2991fab0a0,
0xefec27a4e13a0b, 0x0499aa8a5f8ebe},
{0x7510407766af5d, 0x84d929610d5450,
0x81d77aae82f706, 0x6916f6d4338c5b},
{1, 0, 0, 0}},
{{0xea95ac3b1f15c6, 0x086000905e82d4,
0xdd323ae4d1c8b1, 0x932b56be7685a3},
{0x9ef93dea25dbbf, 0x41665960f390f0,
0xfdec76dbe2a8a7, 0x523e80f019062a},
{1, 0, 0, 0}},
{{0x822fdd26732c73, 0xa01c83531b5d0f,
0x363f37347c1ba4, 0xc391b45c84725c},
{0xbbd5e1b2d6ad24, 0xddfbcde19dfaec,
0xc393da7e222a7f, 0x1efb7890ede244},
{1, 0, 0, 0}},
{{0x4c9e90ca217da1, 0xd11beca79159bb,
0xff8d33c2c98b7c, 0x2610b39409f849},
{0x44d1352ac64da0, 0xcdbb7b2c46b4fb,
0x966c079b753c89, 0xfe67e4e820b112},
{1, 0, 0, 0}},
{{0xe28cae2df5312d, 0xc71b61d16f5c6e,
0x79b7619a3e7c4c, 0x05c73240899b47},
{0x9f7f6382c73e3a, 0x18615165c56bda,
0x641fab2116fd56, 0x72855882b08394},
{1, 0, 0, 0}},
{{0x0469182f161c09, 0x74a98ca8d00fb5,
0xb89da93489a3e0, 0x41c98768fb0c1d},
{0xe5ea05fb32da81, 0x3dce9ffbca6855,
0x1cfe2d3fbf59e6, 0x0e5e03408738a7},
{1, 0, 0, 0}},
{{0xdab22b2333e87f, 0x4430137a5dd2f6,
0xe03ab9f738beb8, 0xcb0c5d0dc34f24},
{0x764a7df0c8fda5, 0x185ba5c3fa2044,
0x9281d688bcbe50, 0xc40331df893881},
{1, 0, 0, 0}},
{{0xb89530796f0f60, 0xade92bd26909a3,
0x1a0c83fb4884da, 0x1765bf22a5a984},
{0x772a9ee75db09e, 0x23bc6c67cec16f,
0x4c1edba8b14e2f, 0xe2a215d9611369},
{1, 0, 0, 0}},
{{0x571e509fb5efb3, 0xade88696410552,
0xc8ae85fada74fe, 0x6c7e4be83bbde3},
{0xff9f51160f4652, 0xb47ce2495a6539,
0xa2946c53b582f4, 0x286d2db3ee9a60},
{1, 0, 0, 0}},
{{0x40bbd5081a44af, 0x0995183b13926c,
0xbcefba6f47f6d0, 0x215619e9cc0057},
{0x8bc94d3b0df45e, 0xf11c54a3694f6f,
0x8631b93cdfe8b5, 0xe7e3f4b0982db9},
{1, 0, 0, 0}},
{{0xb17048ab3e1c7b, 0xac38f36ff8a1d8,
0x1c29819435d2c6, 0xc813132f4c07e9},
{0x2891425503b11f, 0x08781030579fea,
0xf5426ba5cc9674, 0x1e28ebf18562bc},
{1, 0, 0, 0}},
{{0x9f31997cc864eb, 0x06cd91d28b5e4c,
0xff17036691a973, 0xf1aef351497c58},
{0xdd1f2d600564ff, 0xdead073b1402db,
0x74a684435bd693, 0xeea7471f962558},
{1, 0, 0, 0}}},
static const felem gmul[2][16][3] = {
{{{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0}},
{{0x3280d6115c1d21, 0xc1d356c2112234, 0x7f321390b94a03, 0xb70e0cbd6bb4bf},
{0xd5819985007e34, 0x75a05a07476444, 0xfb4c22dfe6cd43, 0xbd376388b5f723},
{1, 0, 0, 0}},
{{0xfd9675666ebbe9, 0xbca7664d40ce5e, 0x2242df8d8a2a43, 0x1f49bbb0f99bc5},
{0x29e0b892dc9c43, 0xece8608436e662, 0xdc858f185310d0, 0x9812dd4eb8d321},
{1, 0, 0, 0}},
{{0x6d3e678d5d8eb8, 0x559eed1cb362f1, 0x16e9a3bbce8a3f, 0xeedcccd8c2a748},
{0xf19f90ed50266d, 0xabf2b4bf65f9df, 0x313865468fafec, 0x5cb379ba910a17},
{1, 0, 0, 0}},
{{0x0641966cab26e3, 0x91fb2991fab0a0, 0xefec27a4e13a0b, 0x0499aa8a5f8ebe},
{0x7510407766af5d, 0x84d929610d5450, 0x81d77aae82f706, 0x6916f6d4338c5b},
{1, 0, 0, 0}},
{{0xea95ac3b1f15c6, 0x086000905e82d4, 0xdd323ae4d1c8b1, 0x932b56be7685a3},
{0x9ef93dea25dbbf, 0x41665960f390f0, 0xfdec76dbe2a8a7, 0x523e80f019062a},
{1, 0, 0, 0}},
{{0x822fdd26732c73, 0xa01c83531b5d0f, 0x363f37347c1ba4, 0xc391b45c84725c},
{0xbbd5e1b2d6ad24, 0xddfbcde19dfaec, 0xc393da7e222a7f, 0x1efb7890ede244},
{1, 0, 0, 0}},
{{0x4c9e90ca217da1, 0xd11beca79159bb, 0xff8d33c2c98b7c, 0x2610b39409f849},
{0x44d1352ac64da0, 0xcdbb7b2c46b4fb, 0x966c079b753c89, 0xfe67e4e820b112},
{1, 0, 0, 0}},
{{0xe28cae2df5312d, 0xc71b61d16f5c6e, 0x79b7619a3e7c4c, 0x05c73240899b47},
{0x9f7f6382c73e3a, 0x18615165c56bda, 0x641fab2116fd56, 0x72855882b08394},
{1, 0, 0, 0}},
{{0x0469182f161c09, 0x74a98ca8d00fb5, 0xb89da93489a3e0, 0x41c98768fb0c1d},
{0xe5ea05fb32da81, 0x3dce9ffbca6855, 0x1cfe2d3fbf59e6, 0x0e5e03408738a7},
{1, 0, 0, 0}},
{{0xdab22b2333e87f, 0x4430137a5dd2f6, 0xe03ab9f738beb8, 0xcb0c5d0dc34f24},
{0x764a7df0c8fda5, 0x185ba5c3fa2044, 0x9281d688bcbe50, 0xc40331df893881},
{1, 0, 0, 0}},
{{0xb89530796f0f60, 0xade92bd26909a3, 0x1a0c83fb4884da, 0x1765bf22a5a984},
{0x772a9ee75db09e, 0x23bc6c67cec16f, 0x4c1edba8b14e2f, 0xe2a215d9611369},
{1, 0, 0, 0}},
{{0x571e509fb5efb3, 0xade88696410552, 0xc8ae85fada74fe, 0x6c7e4be83bbde3},
{0xff9f51160f4652, 0xb47ce2495a6539, 0xa2946c53b582f4, 0x286d2db3ee9a60},
{1, 0, 0, 0}},
{{0x40bbd5081a44af, 0x0995183b13926c, 0xbcefba6f47f6d0, 0x215619e9cc0057},
{0x8bc94d3b0df45e, 0xf11c54a3694f6f, 0x8631b93cdfe8b5, 0xe7e3f4b0982db9},
{1, 0, 0, 0}},
{{0xb17048ab3e1c7b, 0xac38f36ff8a1d8, 0x1c29819435d2c6, 0xc813132f4c07e9},
{0x2891425503b11f, 0x08781030579fea, 0xf5426ba5cc9674, 0x1e28ebf18562bc},
{1, 0, 0, 0}},
{{0x9f31997cc864eb, 0x06cd91d28b5e4c, 0xff17036691a973, 0xf1aef351497c58},
{0xdd1f2d600564ff, 0xdead073b1402db, 0x74a684435bd693, 0xeea7471f962558},
{1, 0, 0, 0}}},
{{{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0}},
@@ -261,10 +234,11 @@ static const felem gmul[2][16][3] = { {{{0, 0, 0, 0},
};
/* Precomputation for the group generator. */
typedef struct {
struct nistp224_pre_comp_st {
felem g_pre_comp[2][16][3];
int references;
} NISTP224_PRE_COMP;
CRYPTO_RWLOCK *lock;
};
const EC_METHOD *EC_GFp_nistp224_method(void)
{
@@ -278,6 +252,7 @@ const EC_METHOD *EC_GFp_nistp224_method(void)
ec_GFp_nistp224_group_set_curve,
ec_GFp_simple_group_get_curve,
ec_GFp_simple_group_get_degree,
ec_group_simple_order_bits,
ec_GFp_simple_group_check_discriminant,
ec_GFp_simple_point_init,
ec_GFp_simple_point_finish,
@@ -307,7 +282,16 @@ const EC_METHOD *EC_GFp_nistp224_method(void)
0 /* field_div */ ,
0 /* field_encode */ ,
0 /* field_decode */ ,
0 /* field_set_to_one */
0, /* field_set_to_one */
ec_key_simple_priv2oct,
ec_key_simple_oct2priv,
0, /* set private */
ec_key_simple_generate_key,
ec_key_simple_check_key,
ec_key_simple_generate_public_key,
0, /* keycopy */
0, /* keyfinish */
ecdh_simple_compute_key
};
return &ret;
@@ -351,7 +335,7 @@ static int BN_to_felem(felem out, const BIGNUM *bn)
unsigned num_bytes;
/* BN_bn2bin eats leading zeroes */
memset(b_out, 0, sizeof b_out);
memset(b_out, 0, sizeof(b_out));
num_bytes = BN_num_bytes(bn);
if (num_bytes > sizeof b_out) {
ECerr(EC_F_BN_TO_FELEM, EC_R_BIGNUM_OUT_OF_RANGE);
@@ -549,11 +533,11 @@ static void felem_mul(widefelem out, const felem in1, const felem in2)
out[0] = ((widelimb) in1[0]) * in2[0];
out[1] = ((widelimb) in1[0]) * in2[1] + ((widelimb) in1[1]) * in2[0];
out[2] = ((widelimb) in1[0]) * in2[2] + ((widelimb) in1[1]) * in2[1] +
((widelimb) in1[2]) * in2[0];
((widelimb) in1[2]) * in2[0];
out[3] = ((widelimb) in1[0]) * in2[3] + ((widelimb) in1[1]) * in2[2] +
((widelimb) in1[2]) * in2[1] + ((widelimb) in1[3]) * in2[0];
((widelimb) in1[2]) * in2[1] + ((widelimb) in1[3]) * in2[0];
out[4] = ((widelimb) in1[1]) * in2[3] + ((widelimb) in1[2]) * in2[2] +
((widelimb) in1[3]) * in2[1];
((widelimb) in1[3]) * in2[1];
out[5] = ((widelimb) in1[2]) * in2[3] + ((widelimb) in1[3]) * in2[2];
out[6] = ((widelimb) in1[3]) * in2[3];
}
@@ -1103,8 +1087,8 @@ static void select_point(const u64 idx, unsigned int size,
{
unsigned i, j;
limb *outlimbs = &out[0][0];
memset(outlimbs, 0, 3 * sizeof(felem));
memset(out, 0, sizeof(*out) * 3);
for (i = 0; i < size; i++) {
const limb *inlimbs = &pre_comp[i][0][0];
u64 mask = i ^ idx;
@@ -1147,7 +1131,7 @@ static void batch_mul(felem x_out, felem y_out, felem z_out,
u8 sign, digit;
/* set nq to the point at infinity */
memset(nq, 0, 3 * sizeof(felem));
memset(nq, 0, sizeof(nq));
/*
* Loop over all scalars msb-to-lsb, interleaving additions of multiples
@@ -1233,56 +1217,47 @@ static void batch_mul(felem x_out, felem y_out, felem z_out,
static NISTP224_PRE_COMP *nistp224_pre_comp_new()
{
NISTP224_PRE_COMP *ret = NULL;
ret = (NISTP224_PRE_COMP *) OPENSSL_malloc(sizeof *ret);
NISTP224_PRE_COMP *ret = OPENSSL_zalloc(sizeof(*ret));
if (!ret) {
ECerr(EC_F_NISTP224_PRE_COMP_NEW, ERR_R_MALLOC_FAILURE);
return ret;
}
memset(ret->g_pre_comp, 0, sizeof(ret->g_pre_comp));
ret->references = 1;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
ECerr(EC_F_NISTP224_PRE_COMP_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
return ret;
}
static void *nistp224_pre_comp_dup(void *src_)
{
NISTP224_PRE_COMP *src = src_;
/* no need to actually copy, these objects never change! */
CRYPTO_add(&src->references, 1, CRYPTO_LOCK_EC_PRE_COMP);
return src_;
}
static void nistp224_pre_comp_free(void *pre_)
NISTP224_PRE_COMP *EC_nistp224_pre_comp_dup(NISTP224_PRE_COMP *p)
{
int i;
NISTP224_PRE_COMP *pre = pre_;
if (!pre)
return;
i = CRYPTO_add(&pre->references, -1, CRYPTO_LOCK_EC_PRE_COMP);
if (i > 0)
return;
OPENSSL_free(pre);
if (p != NULL)
CRYPTO_atomic_add(&p->references, 1, &i, p->lock);
return p;
}
static void nistp224_pre_comp_clear_free(void *pre_)
void EC_nistp224_pre_comp_free(NISTP224_PRE_COMP *p)
{
int i;
NISTP224_PRE_COMP *pre = pre_;
if (!pre)
if (p == NULL)
return;
i = CRYPTO_add(&pre->references, -1, CRYPTO_LOCK_EC_PRE_COMP);
CRYPTO_atomic_add(&p->references, -1, &i, p->lock);
REF_PRINT_COUNT("EC_nistp224", x);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
OPENSSL_cleanse(pre, sizeof *pre);
OPENSSL_free(pre);
CRYPTO_THREAD_lock_free(p->lock);
OPENSSL_free(p);
}
/******************************************************************************/
@@ -1326,8 +1301,7 @@ int ec_GFp_nistp224_group_set_curve(EC_GROUP *group, const BIGNUM *p,
ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx);
err:
BN_CTX_end(ctx);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
BN_CTX_free(new_ctx);
return ret;
}
@@ -1348,8 +1322,8 @@ int ec_GFp_nistp224_point_get_affine_coordinates(const EC_GROUP *group,
EC_R_POINT_AT_INFINITY);
return 0;
}
if ((!BN_to_felem(x_in, &point->X)) || (!BN_to_felem(y_in, &point->Y)) ||
(!BN_to_felem(z1, &point->Z)))
if ((!BN_to_felem(x_in, point->X)) || (!BN_to_felem(y_in, point->Y)) ||
(!BN_to_felem(z1, point->Z)))
return 0;
felem_inv(z2, z1);
felem_square(tmp, z2);
@@ -1426,7 +1400,7 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
BIGNUM *x, *y, *z, *tmp_scalar;
felem_bytearray g_secret;
felem_bytearray *secrets = NULL;
felem(*pre_comp)[17][3] = NULL;
felem (*pre_comp)[17][3] = NULL;
felem *tmp_felems = NULL;
felem_bytearray tmp;
unsigned num_bytes;
@@ -1450,10 +1424,7 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
goto err;
if (scalar != NULL) {
pre = EC_EX_DATA_get_data(group->extra_data,
nistp224_pre_comp_dup,
nistp224_pre_comp_free,
nistp224_pre_comp_clear_free);
pre = group->pre_comp.nistp224;
if (pre)
/* we have precomputation, try to use it */
g_pre_comp = (const felem(*)[16][3])pre->g_pre_comp;
@@ -1493,11 +1464,11 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
*/
mixed = 1;
}
secrets = OPENSSL_malloc(num_points * sizeof(felem_bytearray));
pre_comp = OPENSSL_malloc(num_points * 17 * 3 * sizeof(felem));
secrets = OPENSSL_zalloc(sizeof(*secrets) * num_points);
pre_comp = OPENSSL_zalloc(sizeof(*pre_comp) * num_points);
if (mixed)
tmp_felems =
OPENSSL_malloc((num_points * 17 + 1) * sizeof(felem));
OPENSSL_malloc(sizeof(felem) * (num_points * 17 + 1));
if ((secrets == NULL) || (pre_comp == NULL)
|| (mixed && (tmp_felems == NULL))) {
ECerr(EC_F_EC_GFP_NISTP224_POINTS_MUL, ERR_R_MALLOC_FAILURE);
@@ -1508,8 +1479,6 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
* we treat NULL scalars as 0, and NULL points as points at infinity,
* i.e., they contribute nothing to the linear combination
*/
memset(secrets, 0, num_points * sizeof(felem_bytearray));
memset(pre_comp, 0, num_points * 17 * 3 * sizeof(felem));
for (i = 0; i < num_points; ++i) {
if (i == num)
/* the generator */
@@ -1530,7 +1499,7 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
* this is an unusual input, and we don't guarantee
* constant-timeness
*/
if (!BN_nnmod(tmp_scalar, p_scalar, &group->order, ctx)) {
if (!BN_nnmod(tmp_scalar, p_scalar, group->order, ctx)) {
ECerr(EC_F_EC_GFP_NISTP224_POINTS_MUL, ERR_R_BN_LIB);
goto err;
}
@@ -1539,9 +1508,9 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
num_bytes = BN_bn2bin(p_scalar, tmp);
flip_endian(secrets[i], tmp, num_bytes);
/* precompute multiples */
if ((!BN_to_felem(x_out, &p->X)) ||
(!BN_to_felem(y_out, &p->Y)) ||
(!BN_to_felem(z_out, &p->Z)))
if ((!BN_to_felem(x_out, p->X)) ||
(!BN_to_felem(y_out, p->Y)) ||
(!BN_to_felem(z_out, p->Z)))
goto err;
felem_assign(pre_comp[i][1][0], x_out);
felem_assign(pre_comp[i][1][1], y_out);
@@ -1569,14 +1538,14 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
/* the scalar for the generator */
if ((scalar != NULL) && (have_pre_comp)) {
memset(g_secret, 0, sizeof g_secret);
memset(g_secret, 0, sizeof(g_secret));
/* reduce scalar to 0 <= scalar < 2^224 */
if ((BN_num_bits(scalar) > 224) || (BN_is_negative(scalar))) {
/*
* this is an unusual input, and we don't guarantee
* constant-timeness
*/
if (!BN_nnmod(tmp_scalar, scalar, &group->order, ctx)) {
if (!BN_nnmod(tmp_scalar, scalar, group->order, ctx)) {
ECerr(EC_F_EC_GFP_NISTP224_POINTS_MUL, ERR_R_BN_LIB);
goto err;
}
@@ -1607,16 +1576,11 @@ int ec_GFp_nistp224_points_mul(const EC_GROUP *group, EC_POINT *r,
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (secrets != NULL)
OPENSSL_free(secrets);
if (pre_comp != NULL)
OPENSSL_free(pre_comp);
if (tmp_felems != NULL)
OPENSSL_free(tmp_felems);
EC_POINT_free(generator);
BN_CTX_free(new_ctx);
OPENSSL_free(secrets);
OPENSSL_free(pre_comp);
OPENSSL_free(tmp_felems);
return ret;
}
@@ -1631,9 +1595,7 @@ int ec_GFp_nistp224_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
felem tmp_felems[32];
/* throw away old precomputation */
EC_EX_DATA_free_data(&group->extra_data, nistp224_pre_comp_dup,
nistp224_pre_comp_free,
nistp224_pre_comp_clear_free);
EC_pre_comp_free(group);
if (ctx == NULL)
if ((ctx = new_ctx = BN_CTX_new()) == NULL)
return 0;
@@ -1657,12 +1619,11 @@ int ec_GFp_nistp224_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
*/
if (0 == EC_POINT_cmp(group, generator, group->generator, ctx)) {
memcpy(pre->g_pre_comp, gmul, sizeof(pre->g_pre_comp));
ret = 1;
goto err;
goto done;
}
if ((!BN_to_felem(pre->g_pre_comp[0][1][0], &group->generator->X)) ||
(!BN_to_felem(pre->g_pre_comp[0][1][1], &group->generator->Y)) ||
(!BN_to_felem(pre->g_pre_comp[0][1][2], &group->generator->Z)))
if ((!BN_to_felem(pre->g_pre_comp[0][1][0], group->generator->X)) ||
(!BN_to_felem(pre->g_pre_comp[0][1][1], group->generator->Y)) ||
(!BN_to_felem(pre->g_pre_comp[0][1][2], group->generator->Z)))
goto err;
/*
* compute 2^56*G, 2^112*G, 2^168*G for the first table, 2^28*G, 2^84*G,
@@ -1736,34 +1697,21 @@ int ec_GFp_nistp224_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
}
make_points_affine(31, &(pre->g_pre_comp[0][1]), tmp_felems);
if (!EC_EX_DATA_set_data(&group->extra_data, pre, nistp224_pre_comp_dup,
nistp224_pre_comp_free,
nistp224_pre_comp_clear_free))
goto err;
ret = 1;
done:
SETPRECOMP(group, nistp224, pre);
pre = NULL;
ret = 1;
err:
BN_CTX_end(ctx);
if (generator != NULL)
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (pre)
nistp224_pre_comp_free(pre);
EC_POINT_free(generator);
BN_CTX_free(new_ctx);
EC_nistp224_pre_comp_free(pre);
return ret;
}
int ec_GFp_nistp224_have_precompute_mult(const EC_GROUP *group)
{
if (EC_EX_DATA_get_data(group->extra_data, nistp224_pre_comp_dup,
nistp224_pre_comp_free,
nistp224_pre_comp_clear_free)
!= NULL)
return 1;
else
return 0;
return HAVEPRECOMP(group, nistp224);
}
#else
static void *dummy = &dummy;
#endif