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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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203
crypto/bn/bn_ctx.c
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@@ -1,69 +1,13 @@
/* crypto/bn/bn_ctx.c */
/* Written by Ulf Moeller for the OpenSSL project. */
/* ====================================================================
* Copyright (c) 1998-2004 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
/*
* Copyright 2000-2016 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
*/
#if !defined(BN_CTX_DEBUG) && !defined(BN_DEBUG)
# ifndef NDEBUG
# define NDEBUG
# endif
#endif
#include <stdio.h>
#include <assert.h>
#include "cryptlib.h"
#include "internal/cryptlib.h"
#include "bn_lcl.h"
/*-
@@ -104,10 +48,7 @@ typedef struct bignum_pool {
} BN_POOL;
static void BN_POOL_init(BN_POOL *);
static void BN_POOL_finish(BN_POOL *);
#ifndef OPENSSL_NO_DEPRECATED
static void BN_POOL_reset(BN_POOL *);
#endif
static BIGNUM *BN_POOL_get(BN_POOL *);
static BIGNUM *BN_POOL_get(BN_POOL *, int);
static void BN_POOL_release(BN_POOL *, unsigned int);
/************/
@@ -123,9 +64,6 @@ typedef struct bignum_ctx_stack {
} BN_STACK;
static void BN_STACK_init(BN_STACK *);
static void BN_STACK_finish(BN_STACK *);
#ifndef OPENSSL_NO_DEPRECATED
static void BN_STACK_reset(BN_STACK *);
#endif
static int BN_STACK_push(BN_STACK *, unsigned int);
static unsigned int BN_STACK_pop(BN_STACK *);
@@ -145,6 +83,8 @@ struct bignum_ctx {
int err_stack;
/* Block "gets" until an "end" (compatibility behaviour) */
int too_many;
/* Flags. */
int flags;
};
/* Enable this to find BN_CTX bugs */
@@ -190,40 +130,27 @@ static void ctxdbg(BN_CTX *ctx)
# define CTXDBG_RET(ctx,ret)
#endif
/*
* This function is an evil legacy and should not be used. This
* implementation is WYSIWYG, though I've done my best.
*/
#ifndef OPENSSL_NO_DEPRECATED
void BN_CTX_init(BN_CTX *ctx)
{
/*
* Assume the caller obtained the context via BN_CTX_new() and so is
* trying to reset it for use. Nothing else makes sense, least of all
* binary compatibility from a time when they could declare a static
* variable.
*/
BN_POOL_reset(&ctx->pool);
BN_STACK_reset(&ctx->stack);
ctx->used = 0;
ctx->err_stack = 0;
ctx->too_many = 0;
}
#endif
BN_CTX *BN_CTX_new(void)
{
BN_CTX *ret = OPENSSL_malloc(sizeof(BN_CTX));
if (!ret) {
BN_CTX *ret;
if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
/* Initialise the structure */
BN_POOL_init(&ret->pool);
BN_STACK_init(&ret->stack);
ret->used = 0;
ret->err_stack = 0;
ret->too_many = 0;
return ret;
}
BN_CTX *BN_CTX_secure_new(void)
{
BN_CTX *ret = BN_CTX_new();
if (ret != NULL)
ret->flags = BN_FLG_SECURE;
return ret;
}
@@ -285,10 +212,11 @@ void BN_CTX_end(BN_CTX *ctx)
BIGNUM *BN_CTX_get(BN_CTX *ctx)
{
BIGNUM *ret;
CTXDBG_ENTRY("BN_CTX_get", ctx);
if (ctx->err_stack || ctx->too_many)
return NULL;
if ((ret = BN_POOL_get(&ctx->pool)) == NULL) {
if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {
/*
* Setting too_many prevents repeated "get" attempts from cluttering
* the error stack.
@@ -316,32 +244,23 @@ static void BN_STACK_init(BN_STACK *st)
static void BN_STACK_finish(BN_STACK *st)
{
if (st->size)
OPENSSL_free(st->indexes);
OPENSSL_free(st->indexes);
st->indexes = NULL;
}
#ifndef OPENSSL_NO_DEPRECATED
static void BN_STACK_reset(BN_STACK *st)
{
st->depth = 0;
}
#endif
static int BN_STACK_push(BN_STACK *st, unsigned int idx)
{
if (st->depth == st->size)
if (st->depth == st->size) {
/* Need to expand */
{
unsigned int newsize = (st->size ?
(st->size * 3 / 2) : BN_CTX_START_FRAMES);
unsigned int *newitems = OPENSSL_malloc(newsize *
sizeof(unsigned int));
if (!newitems)
unsigned int newsize =
st->size ? (st->size * 3 / 2) : BN_CTX_START_FRAMES;
unsigned int *newitems = OPENSSL_malloc(sizeof(*newitems) * newsize);
if (newitems == NULL)
return 0;
if (st->depth)
memcpy(newitems, st->indexes, st->depth * sizeof(unsigned int));
if (st->size)
OPENSSL_free(st->indexes);
memcpy(newitems, st->indexes, sizeof(*newitems) * st->depth);
OPENSSL_free(st->indexes);
st->indexes = newitems;
st->size = newsize;
}
@@ -366,55 +285,39 @@ static void BN_POOL_init(BN_POOL *p)
static void BN_POOL_finish(BN_POOL *p)
{
unsigned int loop;
BIGNUM *bn;
while (p->head) {
unsigned int loop = 0;
BIGNUM *bn = p->head->vals;
while (loop++ < BN_CTX_POOL_SIZE) {
for (loop = 0, bn = p->head->vals; loop++ < BN_CTX_POOL_SIZE; bn++)
if (bn->d)
BN_clear_free(bn);
bn++;
}
p->current = p->head->next;
OPENSSL_free(p->head);
p->head = p->current;
}
}
#ifndef OPENSSL_NO_DEPRECATED
static void BN_POOL_reset(BN_POOL *p)
{
BN_POOL_ITEM *item = p->head;
while (item) {
unsigned int loop = 0;
BIGNUM *bn = item->vals;
while (loop++ < BN_CTX_POOL_SIZE) {
if (bn->d)
BN_clear(bn);
bn++;
}
item = item->next;
}
p->current = p->head;
p->used = 0;
}
#endif
static BIGNUM *BN_POOL_get(BN_POOL *p)
static BIGNUM *BN_POOL_get(BN_POOL *p, int flag)
{
BIGNUM *bn;
unsigned int loop;
/* Full; allocate a new pool item and link it in. */
if (p->used == p->size) {
BIGNUM *bn;
unsigned int loop = 0;
BN_POOL_ITEM *item = OPENSSL_malloc(sizeof(BN_POOL_ITEM));
if (!item)
BN_POOL_ITEM *item = OPENSSL_malloc(sizeof(*item));
if (item == NULL)
return NULL;
/* Initialise the structure */
bn = item->vals;
while (loop++ < BN_CTX_POOL_SIZE)
BN_init(bn++);
for (loop = 0, bn = item->vals; loop++ < BN_CTX_POOL_SIZE; bn++) {
bn_init(bn);
if ((flag & BN_FLG_SECURE) != 0)
BN_set_flags(bn, BN_FLG_SECURE);
}
item->prev = p->tail;
item->next = NULL;
/* Link it in */
if (!p->head)
if (p->head == NULL)
p->head = p->current = p->tail = item;
else {
p->tail->next = item;
@@ -426,6 +329,7 @@ static BIGNUM *BN_POOL_get(BN_POOL *p)
/* Return the first bignum from the new pool */
return item->vals;
}
if (!p->used)
p->current = p->head;
else if ((p->used % BN_CTX_POOL_SIZE) == 0)
@@ -436,10 +340,11 @@ static BIGNUM *BN_POOL_get(BN_POOL *p)
static void BN_POOL_release(BN_POOL *p, unsigned int num)
{
unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
p->used -= num;
while (num--) {
bn_check_top(p->current->vals + offset);
if (!offset) {
if (offset == 0) {
offset = BN_CTX_POOL_SIZE - 1;
p->current = p->current->prev;
} else