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quantum init

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This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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185
crypto/ec/ecp_nistp256.c
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@@ -1,12 +1,7 @@
/* crypto/ec/ecp_nistp256.c */
/*
* Copyright 2011-2016 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
* Written by Adam Langley (Google) for the OpenSSL project
*/
/* Copyright 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,11 +27,14 @@
*/
#include <openssl/opensslconf.h>
#ifdef OPENSSL_NO_EC_NISTP_64_GCC_128
NON_EMPTY_TRANSLATION_UNIT
#else
#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
# ifndef OPENSSL_SYS_VMS
# include <stdint.h>
# else
# include <inttypes.h>
# endif
# include <stdint.h>
# include <string.h>
# include <openssl/err.h>
# include "ec_lcl.h"
@@ -163,7 +161,7 @@ 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);
@@ -1234,7 +1232,7 @@ static void copy_small_conditional(felem out, const smallfelem in, limb mask)
}
/*-
* point_add calculates (x1, y1, z1) + (x2, y2, z2)
* point_add calcuates (x1, y1, z1) + (x2, y2, z2)
*
* The method is taken from:
* http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-add-2007-bl,
@@ -1631,8 +1629,7 @@ static void select_point(const u64 idx, unsigned int size,
{
unsigned i, j;
u64 *outlimbs = &out[0][0];
memset(out, 0, sizeof(*out) * 3);
memset(outlimbs, 0, 3 * sizeof(smallfelem));
for (i = 0; i < size; i++) {
const u64 *inlimbs = (u64 *)&pre_comp[i][0][0];
@@ -1676,7 +1673,7 @@ 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, sizeof(nq));
memset(nq, 0, 3 * sizeof(felem));
/*
* Loop over all scalars msb-to-lsb, interleaving additions of multiples
@@ -1763,11 +1760,10 @@ static void batch_mul(felem x_out, felem y_out, felem z_out,
}
/* Precomputation for the group generator. */
struct nistp256_pre_comp_st {
typedef struct {
smallfelem g_pre_comp[2][16][3];
int references;
CRYPTO_RWLOCK *lock;
};
} NISTP256_PRE_COMP;
const EC_METHOD *EC_GFp_nistp256_method(void)
{
@@ -1781,7 +1777,6 @@ const EC_METHOD *EC_GFp_nistp256_method(void)
ec_GFp_nistp256_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,
@@ -1811,16 +1806,7 @@ const EC_METHOD *EC_GFp_nistp256_method(void)
0 /* field_div */ ,
0 /* field_encode */ ,
0 /* field_decode */ ,
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
0 /* field_set_to_one */
};
return &ret;
@@ -1833,46 +1819,55 @@ const EC_METHOD *EC_GFp_nistp256_method(void)
static NISTP256_PRE_COMP *nistp256_pre_comp_new()
{
NISTP256_PRE_COMP *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
NISTP256_PRE_COMP *ret = NULL;
ret = (NISTP256_PRE_COMP *) OPENSSL_malloc(sizeof *ret);
if (!ret) {
ECerr(EC_F_NISTP256_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_NISTP256_PRE_COMP_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
return ret;
}
NISTP256_PRE_COMP *EC_nistp256_pre_comp_dup(NISTP256_PRE_COMP *p)
static void *nistp256_pre_comp_dup(void *src_)
{
int i;
if (p != NULL)
CRYPTO_atomic_add(&p->references, 1, &i, p->lock);
return p;
NISTP256_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_;
}
void EC_nistp256_pre_comp_free(NISTP256_PRE_COMP *pre)
static void nistp256_pre_comp_free(void *pre_)
{
int i;
NISTP256_PRE_COMP *pre = pre_;
if (pre == NULL)
if (!pre)
return;
CRYPTO_atomic_add(&pre->references, -1, &i, pre->lock);
REF_PRINT_COUNT("EC_nistp256", x);
i = CRYPTO_add(&pre->references, -1, CRYPTO_LOCK_EC_PRE_COMP);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
CRYPTO_THREAD_lock_free(pre->lock);
OPENSSL_free(pre);
}
static void nistp256_pre_comp_clear_free(void *pre_)
{
int i;
NISTP256_PRE_COMP *pre = pre_;
if (!pre)
return;
i = CRYPTO_add(&pre->references, -1, CRYPTO_LOCK_EC_PRE_COMP);
if (i > 0)
return;
OPENSSL_cleanse(pre, sizeof *pre);
OPENSSL_free(pre);
}
@@ -1917,7 +1912,8 @@ int ec_GFp_nistp256_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);
BN_CTX_free(new_ctx);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
return ret;
}
@@ -1939,8 +1935,8 @@ int ec_GFp_nistp256_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);
@@ -2016,7 +2012,7 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
BIGNUM *x, *y, *z, *tmp_scalar;
felem_bytearray g_secret;
felem_bytearray *secrets = NULL;
smallfelem (*pre_comp)[17][3] = NULL;
smallfelem(*pre_comp)[17][3] = NULL;
smallfelem *tmp_smallfelems = NULL;
felem_bytearray tmp;
unsigned i, num_bytes;
@@ -2041,7 +2037,10 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
goto err;
if (scalar != NULL) {
pre = group->pre_comp.nistp256;
pre = EC_EX_DATA_get_data(group->extra_data,
nistp256_pre_comp_dup,
nistp256_pre_comp_free,
nistp256_pre_comp_clear_free);
if (pre)
/* we have precomputation, try to use it */
g_pre_comp = (const smallfelem(*)[16][3])pre->g_pre_comp;
@@ -2080,11 +2079,11 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
*/
mixed = 1;
}
secrets = OPENSSL_malloc(sizeof(*secrets) * num_points);
pre_comp = OPENSSL_malloc(sizeof(*pre_comp) * num_points);
secrets = OPENSSL_malloc(num_points * sizeof(felem_bytearray));
pre_comp = OPENSSL_malloc(num_points * 17 * 3 * sizeof(smallfelem));
if (mixed)
tmp_smallfelems =
OPENSSL_malloc(sizeof(*tmp_smallfelems) * (num_points * 17 + 1));
OPENSSL_malloc((num_points * 17 + 1) * sizeof(smallfelem));
if ((secrets == NULL) || (pre_comp == NULL)
|| (mixed && (tmp_smallfelems == NULL))) {
ECerr(EC_F_EC_GFP_NISTP256_POINTS_MUL, ERR_R_MALLOC_FAILURE);
@@ -2095,8 +2094,8 @@ int ec_GFp_nistp256_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, sizeof(*secrets) * num_points);
memset(pre_comp, 0, sizeof(*pre_comp) * num_points);
memset(secrets, 0, num_points * sizeof(felem_bytearray));
memset(pre_comp, 0, num_points * 17 * 3 * sizeof(smallfelem));
for (i = 0; i < num_points; ++i) {
if (i == num)
/*
@@ -2120,7 +2119,7 @@ int ec_GFp_nistp256_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_NISTP256_POINTS_MUL, ERR_R_BN_LIB);
goto err;
}
@@ -2129,9 +2128,9 @@ int ec_GFp_nistp256_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_shrink(pre_comp[i][1][0], x_out);
felem_shrink(pre_comp[i][1][1], y_out);
@@ -2168,7 +2167,7 @@ int ec_GFp_nistp256_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, scalar, group->order, ctx)) {
if (!BN_nnmod(tmp_scalar, scalar, &group->order, ctx)) {
ECerr(EC_F_EC_GFP_NISTP256_POINTS_MUL, ERR_R_BN_LIB);
goto err;
}
@@ -2199,11 +2198,16 @@ int ec_GFp_nistp256_points_mul(const EC_GROUP *group, EC_POINT *r,
err:
BN_CTX_end(ctx);
EC_POINT_free(generator);
BN_CTX_free(new_ctx);
OPENSSL_free(secrets);
OPENSSL_free(pre_comp);
OPENSSL_free(tmp_smallfelems);
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_smallfelems != NULL)
OPENSSL_free(tmp_smallfelems);
return ret;
}
@@ -2219,7 +2223,9 @@ int ec_GFp_nistp256_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
felem x_tmp, y_tmp, z_tmp;
/* throw away old precomputation */
EC_pre_comp_free(group);
EC_EX_DATA_free_data(&group->extra_data, nistp256_pre_comp_dup,
nistp256_pre_comp_free,
nistp256_pre_comp_clear_free);
if (ctx == NULL)
if ((ctx = new_ctx = BN_CTX_new()) == NULL)
return 0;
@@ -2245,9 +2251,9 @@ int ec_GFp_nistp256_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
memcpy(pre->g_pre_comp, gmul, sizeof(pre->g_pre_comp));
goto done;
}
if ((!BN_to_felem(x_tmp, group->generator->X)) ||
(!BN_to_felem(y_tmp, group->generator->Y)) ||
(!BN_to_felem(z_tmp, group->generator->Z)))
if ((!BN_to_felem(x_tmp, &group->generator->X)) ||
(!BN_to_felem(y_tmp, &group->generator->Y)) ||
(!BN_to_felem(z_tmp, &group->generator->Z)))
goto err;
felem_shrink(pre->g_pre_comp[0][1][0], x_tmp);
felem_shrink(pre->g_pre_comp[0][1][1], y_tmp);
@@ -2331,20 +2337,33 @@ int ec_GFp_nistp256_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
make_points_affine(31, &(pre->g_pre_comp[0][1]), tmp_smallfelems);
done:
SETPRECOMP(group, nistp256, pre);
pre = NULL;
if (!EC_EX_DATA_set_data(&group->extra_data, pre, nistp256_pre_comp_dup,
nistp256_pre_comp_free,
nistp256_pre_comp_clear_free))
goto err;
ret = 1;
pre = NULL;
err:
BN_CTX_end(ctx);
EC_POINT_free(generator);
BN_CTX_free(new_ctx);
EC_nistp256_pre_comp_free(pre);
if (generator != NULL)
EC_POINT_free(generator);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
if (pre)
nistp256_pre_comp_free(pre);
return ret;
}
int ec_GFp_nistp256_have_precompute_mult(const EC_GROUP *group)
{
return HAVEPRECOMP(group, nistp256);
if (EC_EX_DATA_get_data(group->extra_data, nistp256_pre_comp_dup,
nistp256_pre_comp_free,
nistp256_pre_comp_clear_free)
!= NULL)
return 1;
else
return 0;
}
#else
static void *dummy = &dummy;
#endif